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Smithkline Beecham Corp. v. Apotex Corp.
403 F.3d 1331
Fed. Cir.
2005
Check Treatment
Docket

*1 SMITHKLINE BEECHAM CORPORA- P.L.C., Group, and Beecham

TION

Plaintiffs-Appellants, CORP., Apotex, Inc.,

APOTEX

TorPharm, Inc., Defendants- Appellants.

Cross 03-1285,

Nos. 03-1313.

United States Court of Appeals,

Federal Circuit. April

DECIDED: *3 Farabow, Jr.,

Ford F. Finnegan, Henderson, Farabow, Dunner, Garrett & L.L.P., DC, Washington, argued for plaintiffs-appellants. With him on the Bajefsky, brief were D. Robert Howard W. Levine, Popma, Swan, Scott J. Jennifer S. Aaron M. Raphael. Mazzochi, Lord,

Deanne M. Bissell & Brook, Illinois, Chicago, argued for de- fendants-cross-appellants. her With on Moore, Hugh the brief were L. Keith D. Parr, Balsam, Hugh S. and Kevin M. Nel- Molino, son. Of counsel were Paul J. Scott Feder, B. and Rakoczy. William A. RADER, BRYSON, Before and GAJARSA, Judges.* Circuit Opinion for by the court filed Circuit Judge Concurring RADER. opinion filed by Judge Circuit GAJARSA.

RADER, Judge. Circuit Following trial, a bench the United States District Court the Northern District Illinois ge- determined neric paroxetine hydrochloride anhydrate * 28, 2004, by Pursuant to an April order issued this era reported amended at 365 banc, present opinion replaces panel's F.3d 1306 23, 2004, prior opinion April entered on crystals with by Corp., hemihydrate comprises PHC produced to be (collec every molecule for two TorPharm, one bound water Inc., Inc.

Apotex, PHC PHC molecules. 1 of infringe will not claim tively Apotex) stable, easily (’723 more and thus more proved 4,721,723 patent) Patent No. U.S. than an- preserved, packaged Corp. and Beecham owned SmithKline hydrate. (collectively Group, P.L.C. Beecham SmithKline). Corp. SmithKline Beecham application in filed a SmithKline F.Supp.2d Apotex Corp., the British Patent Office on October (N.D.Ill.2003). on this court’s revi Based paroxetine hy- relating “crystalline trial court’s erroneous sion of the drochloride, preparation and its uses as construction, in Apotex’s product applica- therapeutic agent.” The British *4 None patent. 1 of the ’723 fringe claim tion identified the invention as both theless, patent claim 1 of the ’723 because anhydrate form of hemihydrate and the under anticipated as 35 U.S.C. is invalid PHC, mixtures that contain a as well as 102(b), court affirms the district § year form. major portion of either One Apotex. in judgment

court’s favor 23,1986, later, filed on October SmithKline to the application claiming priority

a U.S. as the ’723 application British issued I. patent The ’723 does not patent 1970s, company, late a British anhydrate In the not claim claim PHC and does Ferrosan, only invented a new class of com- forms. The mixtures of two PHC in this case is claim which including compound a that became at issue pounds, entirety: “Crystalline paroxe- in its reads U.S. Patent No. paroxetine. known as See hemihydrate.” hydrochloride tine (’196 4,007,196 patent). patent The ’196 and its salts and dis- paroxetine claims necessary completing In after antidepressant properties. closes their approval process, placed FDA SmithKline eventually developed process a Ferrosan antidepressant drug its with PHC hemih- crystalline hydrochloride produce mar- ydrate ingredient as the active on the hydrochlo- paroxetine, salt of the name Paxil®. In ket under (PHC). In ride Ferrosan licensed TorPharm, Inc., Apotex affiliate ’196 and its other PHC-related generic antide- Apotex’s manufacturer of technology to SmithKline. SmithKline be- pressant, Drug filed an Abbreviated New manufacturing gan PHC its Harlow (ANDA) FDA, under Application with the plant England. 355(j), seeking approval § U.S.C. antidepressant drug. market its own PHC Curzons, In March Alan a chem- Apotex ingredient identified the active Worthing, England ist SmithKline’s antidepressant anhydrate. as PHC laboratory, crystalline discovered new paragraph ANDA Apotex’s included IV attempting improve form of PHC while certification, see U.S.C. production. PHC Curzons’s test results 355(j)(2)(A)(IV), Apotex’s § that indicated that the new established expi- drug intent to market the before (PHC hemihydrous form of PHC hemih- drug ration of the ’723 because its an- ydrate). original Ferrosan’s form was infringe patent. would not (PHC hydrous anhydrate). PHC PHC in- anhydrate comprises crystals of PHC initiated this SmithKline under 35 fringement against Apotex action without bound water molecules. PHC 271(e)(2) Apotex’s “high on the basis of if digits” U.S.C. double alleges that filing. component ANDA SmithKline were to contribute com- Apotex’s proposed drug infringe will claim mercial value. Id. The district court im- patent. portеd 1 of the ’723 SmithKline does not significance commercial into that claim 1 of the ’723 cov- allege Apotex’s claim and held that proposed all, anhydrate. an- drug ers PHC After PHC PHC will not infringe claim 1 of hydrate discovery prior patent. found, Ferrosan the ’723 The district court —the —is patent. matter, art the ’723 SmithKline as- factual that Apotex’s PHC infringe by anhydrate serts that will manu- tablets will not contain commer- facturing cially significant PHC tablets that nec- amounts PHC hemih- contain, essarily process ydrate rejected a conversion SmithKline’s evidence below, discussed at least trace amounts of to the contrary. Id. at 1031-39. The trial PHC court also determined that claim 1 is not invalid. parties summary judg filed various motions, including ment cross motions for SmithKline contested the district court’s summary judgment interpretation that claim of the ’723 claim noting that claim 1 is (or valid) patent was invalid under 35 clear on its face encompasses *5 102(b) amount, § impermissible pub hemihydrate U.S.C. in however small 102(b) § lic use. The motions or insignificant. acknowl In rejecting pro- edged posed that clinical trials occurred more claim interpretation, the district year filing opined than one before SmithKline’s court also pro- SmithKline’s patent, date for the ’723 but disputed posed construction would render claim 1 qualified whether those tests for the ex indefinite. The district court reasoned perimental negation. use The district interpretation SmithKline’s would court Apotex’s granted place potential infringers denied motion and in the untenable motion, holding that position knowing SmithKline’s the ’723 of never whether their not invalid for public infringes use under a single because even 102(b). § The crystal district court reasoned that undetectable of hemihydrate PHC qualified the clinical trials experimental infringe. Id. at 1029-30. uses. See Beecham Corp. SmithKline To show that manufacture of an- PHC

Apotex Corp., F.Supp.2d 932-38 hydrate necessarily tablets creates PHC (N.D.Ill.2001). hemihydrate, proffered SmithKline expert

The district court testimony then held bench trial on the “seeding” so-called to determine the proper interpretation “disappearing theory. of polymorph” Under claim and to resolve the in- remaining theory, may this Ferrosan originally have fringement and validity crystalline issues. On the created a compound, namely construction, question of claim anhydrate, relatively the district PHC in a unstable claim 1 hemihydrate presently reasons, limited to PHC form. For unknown commercially significant anhydrate “morphed” amounts. the PHC into a form, SmithKline Beecham Corp., F.Supp.2d namely more stable the PHC hemih- at ydrate 1030. The trial record contained uncon- discovered in SmithKline’s facilities. testimony tested anhydrate- that a PHC polymorph this new form or With exis- hemihydrate tence, mixture would need pos- experts explained, SmithKline’s percentage sess a of hemihydrate general PHC environment became “seeded” hemihydrate. liability absolved of for the crystals PHC conse- with quences of SmithKline’s own conduct that environment, anhyd- the PHC seeded this practice prior art rendered im- to the PHC rate converts patent. without ’723 possible infringing the seeds inevitable contact with upon its The district court held that its also inher- words, hemihydrate. In other PHC powers equitable equitable ent and the anhydrate pure PHC became creation injunctions placed general nature difficult, extremely impossible; if not injunction mandated 35 U.S.C. anhydrate, PCH has effec- polymorph, old 271(e)(4)(A) within the discretion of the form disappeared pure in its because tively court. Id. at 1045-52. district poly- the new changes naturally into also sought SmithKline to assert claim morph, PCH infringement against Apotex of induced on experts applied “disap- SmithKline’s theory anhydrate that PHC tablets theory to polymorph” show that pearing convert to PHC the stom- inevitably Apotex’s PHC tablets patient ach of a due to the increased hu- hemihydrate when convert combined midity pressure inside present moisture, pressure, practically with Id. at stomach. 1014-15. district hemihydrate seeds. ubiquitous PHC court excluded SmithKline’s evidence on evi- court found that SmithKline’s district issue, finding that SmithKline would “disap- “seeding” and the dence on likely showing “gas- not meet its burden supported pearing polymorph” theories infringement.” trointestinal Id. 1014- anhyd- Apotex’s Finally, the inference district court considered trace, constructions, other alternative will contain at least even rate tablets which would allow claim 1 to cover PHC undetectable, hemihyd- of PHC if amounts *6 hemihydrate in detectable either amounts Thus, Id. at 1042-43. under Smith- rate. at the time the methods available ’723 construction, the district Kline’s by any was filed or means that later Apotex’s held that PHC court The became available. Id. at 1052. rec- 1 infringe claim of the ’723 drug would that presented ord shows SmithKline patent. Id. samples Apo- results of tests on various Alternatively, if 1 construed claim was to tex tablets. These tests showed PHC any amount of PHC cover product. Apotex The was, therefore, infringed, the district rejected court evidence as district un- equitable a new purported court create reliable, mainly because SmithKline’s infringement Apotex. in favor of defense to counsel excluded tablets from the certain defense, at 1043-45. Under this new explanation. Id. testing without reasonable producing for at 1032-42. trial court responsible SmithKline Id. found which, represent these excluded hemihydrate, by virtue of tablets Apotex upon manufacture polymorph” “disappearing SmithKline’s approval. Accordingly, the ANDA Id. dis- the environment. Conse- theory, seeded held did trict court that SmithKline alleged SmithKline caused the in- quently, Apotex’s that prove tablets will contain court fringement. district reasoned hemihyd- any of PHC detectable amount prac- enjoy right should rate. by manufacturing art prior tice the under its alterna-

anhydrate. Accordingly, presents arguments five on SmithKline First, defense, court erred in equitable аppeal. tive the district court the district

1337 Thus, limiting commercially significant claim 1 to one and denied the other. the rec Second, of PHC conceded, amounts ord parties shows contrary ruling, to the district court’s found, the district court that no material claim construction that covers PHC hemih- factual issues remain in dispute. See ydrate amount does not render Aircraft, Beech F.2d 1245. If this Third, claim 1 indefinite. court district court determines that no material facts creating equitable defense to erred dispute, may proceed remain in to deter infringement based on SmithKline’s contri- mine entitlement to judgment under the causing infringement. bution Labs., law. Lilly See Eli & v.Co. Barr Fourth, holding the district court erred in Inc., (Fed.Cir.2001) 251 F.3d injunctive required that the relief under 35 (“[RJeversal required if the district court 271(e)(4) § is within the district U.S.C. ‘engaged faulty in a legal analysis apply Fifth, court’s discretion. the district court ing the law to the facts and a correct excluding its discretion in Smith- abused application of the law might to those facts infringement. induced Kline’s evidence of ” bring a (quoting different result.’ Litton Prods., Indus. Sys. Inc. v. Solid State Apotex argues In cross-appeal, Corp., (Fed.Cir.1985))); 755 F.2d granting erred in the district court sum- Inc., Liberty see also Anderson v. Lobby mary judgment clinical SmithKline’s 477 U.S. 106 S.Ct. qualified experimental tests as an use. (1986). L.Ed.2d 202

particular, Apotex asserts that claim of public the ’723 is invalid for use reviews a district 102(b) §

under 35 U.S.C. as a matter of court’s judgment following a bench trial jurisdiction law. This court has over these clearly errors of law or erroneous find 1295(a)(1). appeals under 28 U.S.C.

ings of fact. See Allen Eng’g Corp. v. Indus., Inc., Bartell 1343- II. infringement Patent First, proceeds analysis. under a two-step Review Standards of the court interprets the claims to deter summary judgments This court reviews mine their proper scope meaning. See *7 without deference. See Beech Aircraft Techs., Inc., Cybor v. Corp. FAS 138 F.3d 1237, Corp. Corp., v. EDO 990 F.2d 1245 (en (Fed.Cir.1998) banc). 1448, 1454 (Fed.Cir.1993). course, a Of denial of Next, the court measures the accused summary itself, judgment, by is not a final product process against or the standard of judgment appeal grant amenable like properly interpreted claims. Id. However, summary judgment. when parties summary judgment, both move for This court reviews claim con independently each motion “must be as struction without deference. See Mark on sessed its own merit.” v. California Instruments, Inc., man v. 52 Westview (Fed. States, 1377, 271 United F.3d 1380 (Fed.Cir.1995) (en 967, banc), F.3d 979 Cir.2001). circumstances, In such this 370, 1384, aff'd, 517 U.S. 116 S.Ct. 134 summary judgment court reviews under (1996). L.Ed.2d 577 This court reviews the standard rules of Fed. R. P. Crv. step, the second measurement of the ac claim, case, product process against In this cused parties sought both sum- mary judgment; granted question Eng’g, the district court as a of fact. See Allen 299

1338 However, Mills, percent before 1985. Curzons 1343-44; Inc. v. Hunt- Gen. F.3d at (Fed.Cir. 978, undisputedly serendipitous made his dis- Wesson, Inc., F.3d 981 103 making covery hemihydrate while under PHC 1997). of indefiniteness review 2, anhydrate presumably pursuant PHC proceeds as paragraph 35 U.S.C. . More- teachings patent. of the ’196 deference See without of law question over, does not although Curzons Kimberly-Clark Corp., v. Solomon (Fed.Cir.2000); hemihydrate until have discovered PHC Personal F.3d Communications, samples further review of v. Int’l March LLC Media ized (Fed. anhydrate revealed Comm’n, SmithKline’s PHC 161 F.3d Trade unwittingly plant Harlow had Cir.1998). SmithKline’s early as De- made PHC undisputed facts con- 1984. These cember Findings Factual anhydrate clusively that PHC establish matter, this court holds an initial As in accordance with the ’196 made record, part, supports the for the most hemihydrate both with converts into PHC findings. partic- court’s factual district Accordingly, seeding. and without clearly did not err ular, court the district appeal in this legal decides the issues court anhyd- Apotex’s PHC concluding that background as deter- against the factual amounts of include trace will rate court. mined the district on the record hemihydrate based PHC & Claim Construction Indefiniteness form inevita- anhydrate that the evidence hemihydrate form. into the bly changes interpretation requires Claim Corp., 247 Beecham Sеe SmithKline the claim meaning court to ascertain F.Supp.2d at 1019-23. art at the ordinary skill to one of ResQNet.com, Inc. v. time of invention. clearly also did not court The district (Fed.Cir. Lansa, Inc., 1374, 1378 346 F.3d Apotex’s finding err 2003); v. Hunts Petroleum Co. Phillips quan- detectable not contain product will Polymers Corp., man because tities (Fed.Cir.1998). requires This task Apotex selectively tested the SmithKline language in its place the claim explaining its reasons without samples temporal context. proper technological from the products excluding some are the enterprise for this The best tools the district Specifically, examination. and, forms of intrinsic evidence various of Smith- discretionary exclusion court’s See extrinsic evidence. appropriate, when on this issue evidence Kline’s unreliable Inc., Vitronics, Conceptronic, Corp. factual subsequent render does not in F.3d clearly erroneous. finding *8 itself, evidence, “i.e., in patent the trinsic clearly ac- and, court Although claims, the district if specification the the cluding “disappearing theories of evidence, history true the ... cepts prosecution as the in it did not “seeding,” legally and of the polymorphs” significant most source the regarding precisely findings of fact claim lan meaning disputed make of operative hemihydrate first came or when PHC guage.” how Id. Indeed, traces of PHC

into existence. times, course, lan at all the pills were Of anhydrate hemihydrate PHC scope governs claims their guage of the less than five in amounts not detectible Rather, v. Sum mercial meaning. Dow Chem. Co. embodiments. the ’723 and See Co., 257 F.3d PHC specification hemihydrate Chem. discloses itomo evi compound the intrinsic Unless as without reference to its ‍​​‌​​‌​‌‌‌​‌​‌‌​‌​‌‌‌‌​​‌​​‌​‌‌​‌‌‌‌​‌​‌​​‌‌​‌‌​‍conclusion, contrary the compels a applications. dence commercial For example, ac language meaning carries the claim the specification “present states that the the usаge those words in of skilled provides corded crystalline paroxetine invention id.; at of the time invention. See artisans hydrochloride hemihydrate novel Vitronics, at compound.” patent, ’723 col. II. 57-58.

Furthermore, nothing prosecution the earlier, As stated claim of history the patent of ’723 defines in- “Crystalline patent paroxe- ’723 reads: commercially vention in terms of signifi- hydrochloride hemihydrate.” tine Thus, reading cant quantities. claim 1 in ambiguous is not but rather de language evidence, of the context the intrinsic very The specific compound. scribes inescapable conclusion is that the claim en- repeatedly record shows that artisans limitation, compasses, without PHC hem- technology area of of the tipie ihydrate crystal of paroxetine hy- form —a would have understood that invention drochloride that contains one molecule of embraces without PHC every bound water for two molecules of further limitation. hydrochloride crystal in the structure. proceeds The to the re inquiry of mainder the intrinsic record to deter openly district court dis The applicant if these patent gave mine policies cussed the that led its insertion unambiguous unexpected words some defi commercially significant quantities of as a court claim 1 nition. district limited meaning on the of the limitation claimed commercially significant amounts of Beecham compound. Corp., SmithKline hemihydrate. The trial court found PHC F.Supp.2d at 1028-30. The district of support portions for this limitation that a claim construction observed pharma ’723 that discuss the of that covers trace amounts PHC hemih- properties of PHC ceutical commercial ydrate likely preclude attempts Corp., Beecham SmithKline prior art make com F.Supp.2d example, at 1029-30. For pound. Id. After explaining “in terro- specification superior discusses the rem of such a claim con effect” “broad” handling properties struction, rеjected the district court improve form the manufacture scope literal of claim 1 because would references, however, Those not PHC. do produce “absurd results” would “not com compound

redefine the terms of its policy serve law.” Id. Claim properties, emphasize mercial but construction, however, policy-driv not a compound charac new exhibits favorable earlier, it inquiry. en As stated is a con A description teristics. characteristics interpretation language. textual compound does redefine a with scope claims can neither be unambiguous established structural nor on broadened narrowed based abstract definition. *9 policy regarding considerations the effect Moreover, Quan particular meaning. of a See nothing the ’723 Rodime, PLC, 1577, compound com- v. 65 Corp. limits structural to its tum F.3d 1340 (Fed.Cir.1995) construction, is well to difficult C‘[I]t

1584 settled amenable however may great matter task be.” Exxon Research & temptations that no how States, Eng’g v. 265 F.3d policy making, or courts do not Co. United of fairness (Fed.Cir.2001). case, claims.”). reason, In 1375 this the claim precise For this redraft To covers a definite chemical structure. a has that a repeatedly this court stated field, plain in this claim is on chemist this court must construe claims without consid- Thus, its claim 1 face. of the ’723 implications covering a ering partic- for cannot be invalid indefiniteness under process. NeoMagic ular See Inc., Microsys. Corp. v. 287 F.3d Trident § 112. (Fed.Cir.2002); SRI v. Int’l Morton, In court affirmed a this 775 F.2d Corp.,

Matsushita Elec. judgment district court’s of indefiniteness (Fed.Cir.1985). “one skilled art could not because given compound determine whether a justified also The district court scope within the of the claims.” 5 F.3d at commercial-significance pre limitation to Thus, 1470. claims át issue were “not validity in the a serve the claim’s face of sufficiently potential to a precise permit challenge § to its definiteness under competitor to determine or not whether he essence, second the district paragraph. case, infringing.” Id. The Morton the claim if court considered indefinite therefore, inability not does hold that the construed cover undetectable trace compound to detect the claimed in the In other amounts infringing compound device a renders words, that potential the trial court feared Rather, claim indefinite. Morton stands -able to infringers would not be determine for proposition the unremarkable a avoid) (and if infringement they cannot claim, definite, compound ap to be must compound. detect the claimed See Morton prise a artisan of skilled the bounds Int’l, Co., v. 5 F.3d Inc. Cardinal Chem. claim. The record in Morton contained 1464, 1469-70 This rea showing “considerable evidence that those purpose soning proper misses the of the skilled in the art could not make the requirement. definiteness compounds procedures using claimed of the specification, and no evidence that § paragraph second even at 1469- compounds such exist.” Id. requires specification particu “conclude with more one or claims distinctly claiming larly pointing out and similarity little This case bears to Mor- applicant re matter which Here, ton. claim 1 identi- unambiguously as his gards invention.” U.S.C. fies of the It the bounds claim. states: ¶ (2000). requirement, satisfy To “Crystalline hydrochloride claim, specification, light read in Thus, recites hemihydrate.” this claim in the apprise must those skilled art of the clear terms discernible chemical struc- Labs., scope of the claim. Miles Inc. See imagine ture. It would be difficult (Fed. Shandon, Inc., more clear and definite claim. Cir.1993). Moreover, claims not need “be on their in order to con

plain face avoid The test indefiniteness does indefiniteness; rather, potential infringer’s demnation for what on a abili depend ac- ty that the of its own has] asked is claims ascertain nature [this *10 product infringement, now, cused tо determine fringes logically prior the art should but instead on whether the claim delin- have anticipated the claim before the filing patent. eates to a skilled artisan the bounds of of the ’723 See Bristol-Myers case, Squibb Labs., Inc., In problem the invention. this the Co. v. Ben Venue (Fed.Cir.2001) Apotex is that it cannot F.3d accurately as- (restating the axiom certain the nature of its that “that which product. literally own if clear; infringe later in scope anticipates of this claim is in- time if earli er”). At trial, Apotex fringement Apotex product asserted that is not. Ferro- process san’s making anhydrate if Even a claim is broad PHC enough to em- inherently resulted in trace brace undetectable trace amounts amounts of the “[bjreadth hemihydrate to invention, prior the ’723 claimed is not indefi- thus inherently anticipated Gardner, patent. niteness.” re 57 C.C.P.A. court, however, The district (CCPA 1970). determined Apotex present did not clear and con precisely, Stated more claim this is nei- vincing evidence of anticipation. inherent narrow, ther broad nor but definitive of According to the district findings, court’s particular this chemical structure. For “no one knows when hemihydrate form structure, inventing disclosing this existence, came into although enjoys inventor the exclusive right it is a reasonable inference that it did not practice that patent’s invention for the exist a detectable amount until” Smith- Accordingly, limited term. “serendipitous” Kline’s discovery. Smith above, construed is not indefinite under 35 Kline Corp., Beecham 247 F.Supp.2d at U.S.C. paragraph. second

1022, 1025. Apotex does not dispute that hemihydrate PHC was first detected Infringement Equity Curzons or that it is unable Having interpreted claim 1 cov prove precisely when PHC er PHC limi without further came into existence. tation, this court infringement. turns to argues SmithKline practicing In anticipation scenario, very this the T96 infringes claim 1 of the ’723 performed district court infringe a factual patent, but that the ’196 does not analysis ment based on this correct claim anticipate claim 1 of patent. the ’723 construction. The district court held “disappearing SmithKline uses the poly- Apotex’s evidence showed that PHC morph” theory justify apparently its tablets would contain trace positions. hand, inconsistent On the one amounts of Smith SmithKline asserts that the creation of a

Kline Beecham Corp., F.Supp.2d prior compound art will result ain above, 1043. As indicated sup record containing at least trace amounts of their ports court, factual finding. patented compound. hand, On the other therefore, affirms the district court’s find SmithKline contends that the creation of ing that Apotex’s product infringe will un prior compound art before Smith- der this court’s claim construction. discovery Kline’s compound did not

Because practice seeks to reason, have the same result. For this art, prior and because that in- practice district court understandably uncom- fringes, logical the next inquiry involves fortable allowing about claim to1 embrace anticipation. is, That if prior art in- scope. its literal The district court feared

1342 § in “a con- 101 other patentability would result under with under a construction such Act, in Patent as 35 patent provisions in the the such effective siderable extension § U.S.C. 102. The concurrence admits might it be- because term synthetic, a man- that PHC is impossible manu- difficult or even to come patent compound eligible protec made for anhydrous the form after pure facture the fact, In claimed is tion. the invention expired.” Id. at 1019. patent Ferrosan question “composition a of matter” without certainly legiti- are concerns While these the or an article of “manufacture” within construction, before, mate, noted claim Accordingly, § terms of 101. the claimed implica- policy of its proceeds independent represents subject eligi invention1 matter had Fortunately, the court tions. district § patent protectiоn ble for under analy- foresight to consider alternative the conclusion, inquiry the under With in this unique ses situation. § ends. 101 court, in in- alternative The district found in- fringement analysis, properly however, concurring opinion, fringement, equitable but created a new subject expand eligibility would the matter liability for defense to from shield § analysis encompass 101 to some under In Id. 1043-45. infringement. To the scope review of of the claims. short, apply where defense subject contrary, matter falls “[e]ither caus- patentee significantly contributed Ani within Section 101 or does not.” all, Smith- ing infringement. After Legal F.2d Quigg, mal Fund 932 Def. form of the Kline’s creation The scope 930 of the a environment of PHC created seeded subject is matter claims not relevant that, by this district under the facts found eligibility. Subject matter does not take court, art practice prior of the makes adjust a eligibility on different status with infringement, arguably precluding an while scope proposed in the of the claim. ments inherency. operation anticipation by § eligibility simply Patent under unprecedented circum- In this an issue this case. unique stance, understandably the trial remedy to equitable reached out to find 102(b) Anticipation §— event, notwith- protect Apotex. if A claim not valid standing equi- merit a new potential patented “the or described invention in- in this unprecedented table doctrine publication country ... printed this stance, this case court can resolve year prior ... more than to the date one 1 is because claim application

without its application the United inherently under 35 anticipated invalid as 102(b) (2000). § States....” 35 U.S.C. 102(b). § this court Accordingly, U.S.C. art “it must prior anticipate For pro- the trial court’s declines to address ordinary one be sufficient to enable with posed equitable defense. practice in the art to invention.” skill remedy concurring opinion seeks Mining Mfg. Chemque, Minn. & Co. v. by ap- (Fed.Cir.2002) perceived inequity this case Inc., 303 F.3d arguing Borst, the sub- plying 35 U.S.C. (citing In re 52 C.C.P.A. 1965)). (CCPA ject pаt- not cover matter of claim does F.2d “Whether Unfortunately, ques matter. art is a subject prior enabling entable reference factual eligibility upon underlying of law confuses tion based concurrence (citing of a findings.” Operations single Id. Crown closure feature of the claimed Solutia, Inc., matter.”). Moreover, Int’l Ltd. v. this court *12 (Fed.Cir.2002)). reiterated in Schering Corp. that Anticipation 1376 is a inherent anticipation require does not However, person a of question of fact. See with- id. ordinary skill in recognize the art to the genuine disputes underlying factual out prior inherent disclosure in the art at the inquiry, ripe the anticipation issue is prior time the art is created. Id. at 1377 a judgment as matter of law. (citing In Sprout Litig., re 301 Cruciferous patent undisputed The T96 art prior (Fed.Cir.2002); F.3d 1351 102(b), though under 35 U.S.C. even MEHL/Biophile Corp. Int’l Milgraum, patent the ’196 discloses how to make PHC (Fed.Cir.1999); 192 F.3d 1366 Atlas anhydrate not and does discuss PHC hem- Prods., Inc., Powder Co. v. Hanex 190 ihydrate. PHC was not even (Fed.Cir.1999)). 1342, 1348-49 F.3d years discovered until after the ’196 The district court addressed the Nonetheless, was filed. the T96 case, issue of inherent in anticipation ’723.patent claim 1 of the be- anticipates but it in found favor SmithKline because of inherently cause the ’196 discloses PHC Apotex prove by did not clear and convinc hemihydrate. ing that it impossible evidence recently This court set forth the stan- pure make anhydrate PHC in the United anticipation by inherency: dards for States before the critical of date the ’723 patent. See SmithKline Beecham Corp., A patent anticipation is invalid for if a (“[I]t 247 F.Supp.2d at 1026 equally art single prior reference discloses each possible, knows, anyone as far as every limitation of the invention. claimed practicing patent in non-seeded [’]196 Marine, Lew miar Inc. v. Bar premises' goodness there knows were —-and (Fed.Cir. Inc., ient 827 F.2d some the United States [the as of criti 1987). Moreover, prior art reference not produced any cal] date —would have may anticipate disclosing without a fea hemihydrate.”). The district court erred ture of the claimed invention if that in requiring Apotex to meet this standard missing necessarily characteristic proof, exacting. Apotex which is too did inherent, present, single antici prove impossible not need to that it was pating reference. Continental Can Co. make PHC the United States Co., v. Monsanto 948 F.2d hemihydrate, that contained no PHC but (Fed.Cir.1991). merely that “the prior disclosure [of Pharms., Inc., Schering Corp. v. Geneva is sufficient to show that the natural art] 339 F.3d flowing result from operation taught as Schering would, Corp., this court also decided prior in” [in art] result that the anticipation doctrine of inherent Oelrich, product. claimed In re 666 F.2d subject applies the entire claimed mat- (CCPA 1981); accord MEHL/Bio just ter single does to a claimed 1366; phile Corp., Int’l 192 F.3d at see (“Because feature. Id. at inherency Powder, also Atlas 190 F.3d at 1349-50 places subject public matter domain (affirming the finding district court’s disclosure, express as well as an the inher- anticipation despite finding inherent ent subject disclosure of the entire claimed inherent element could be avoided anticipates matter as well as taking “extraordinary inherent dis- measures” when art). Contrary port finding practicing pat to this the ’196 prior practicing naturally production the district court’s ent results precedents, court’s anticipation not inherent did analysis hemihydrate. PHC The district court also teachings of the ’196 found, parties dispute, consider the do not production actual from the separately pres nor can neither SmithKline hemihydrate. Schering Corp., See anhydrate that does ently produce PHC (“Anticipation at 1380 does not contain at trace amounts of PHC least or reduction to the actual creation require See, e.g., SmithKline Beec matter; art prior practice *13 (“Apo- at 1044 Corp., F.Supp.2d ham only enabling an dis anticipation requires crystals tex cannot еliminate all of hemih- ” closure.”) Donohue, (citing In re original)). .... in ydrate (emphasis (Fed.Cir.1985)). Thus, whether sum, the record shows that the manufac actually possible pure to make PCH anhydrate according ture of PHC the critical date of anhydrate before in patent necessarily the ’196 results the is irrelevant. The ’196 patent the ’723 hemihydrate. production of PHC an art patent anticipatory prior suffices in support fact finds further record the enabling if it discloses in an reference holding Apotex infringe hemihyd- of production PHC manner patent “single crys of the ’723 under patent The ’196 discloses a rate. See id. at tal” claim construction. Id. manufacturing anhydrate PHC method of findings, The district court made these naturally production results in the part, anhydrate at in because PHC least hemihydrate. Consequently, apply PHC parties’ manufacturing at fa- produced as found the district court ing the facts hemihydrate cilities would convert to PHC standard, this court holds to the correct had been “seeded” because facilities 1 of the ’723 is invalid for that claim hemihydrate crystals. Id. with PHC patent. anticipation by the ’196 position Apo- SmithKline takes the shows, and record SmithKline ad- The wholly result from infringement tex’s will through proffered arguments, its mits in hemihydrate present “seeds” PHC anhydrate according to producing PHC facility, Apotex’s and that could inevitably results in the the ’196 infringement if it manufactured PHC avoid at least amounts of production of trace hemihyd- anhydrate facility in a clean of hemihydrate. par- The anticipating PHC hemihydrate rate “seeds.” While PHC dispute that first known ties do not certainly pres- “seeds” will exacerbate the hemihydrate existence of PHC resulted hemihydrate in Apotex’s ence of PHC anhyd- attempt produce from an PHC not anhydrate pills, PHC this court does according In De- patent. rate to the T96 accept assertion that SmithKline’s serendipitously cember SmithKline hemihydrate “seeds” will be the sole cause hemihydrate made PHC at its Harlow hemihydrate Apo- in of the undesired PHC plant attempting while to manufacture Indeed, anhydrate pills. tex’s SmithKline anhydrate pat- ’196 according PHC hemihydrate argued at trial that PHC previously, ent. As discussed Curzons’s necessary produce “seeds” are not PHC discovery in hemihydrate of PHC Worth- hemihydrate. ing making also occurred while he was position on the source of anhydrate according pat- PHC ’196 SmithKline’s to the inconsis- undisputed sup- Apotex’s alleged infringement ent. Both of events these at undisputed (reconciling with the creation PHC id. 1022-23 conflicting tent ex- hemihydrate supra. pro- pert testimony by as discussed discussing possible anhydrate equilibrium point at both Smith- at which pla- duction PHC conversion Worthing plants re- at a points), Kline’s Harlow teaus few percentage serendipitous (“[HJemihydrate production sulted small amounts does only plausible nothing anhydrate PHC ex- for the with which it is mixed.”) planation appearance for this of PHC hem- & 1035. (noting that inconsistent ihydrate plant likely at the Harlow and the “impl[y] test results that the at explanation appearance anhydrate and the can equi- coexist librium”). Worthing plant is that PHC practicing arises as a natural derivative of Because the record contains clear and patent. ’196 SmithKline did offer convincing that production evidence pure anhydrate evidence that PHC accordance with produced can be in facilities that are not inherently the ’196 results (district noting seeded. Id. at 1035 *14 hemihydrate, least trace amounts of PHC any experiments by absence of Smith- court patent this holds that the T96 inher- to Kline show difference between PCH ently claim 1 anticipates patent of the ’723 anhydrate facility manufactured in a both 102(b). § under 35 Consequently, U.S.C. “seeded”). it before and after Smith- legal it was error for the district court to only explanation Kline’s counter to 'this finding base its of no inherent anticipation manufacturing that it had been PHC an- upon finding Apotex a that not presеnt did hydrate according patent to the T96 for convincing clear and that evidence PHC years hemihydrate before the was first hemihydrate existed before the critical detected 1995. SmithKline would have patent. Additionally, date the ’723 that argument infer from it district supposition Apotex court’s that pure anhydrate to possible make PHC possibly anhydrate could prevent PHC according patent to the T96 in unseeded converting hemihydrate by from to PHC court, however, conditions. The district building plant a new that not seeded properly logic noting dismissed this that hemihydrate, by with preventing PHC or “existence and detection are not the same anhydrate being the PHC from exposed to thing.” Id. at 1022. The district court moisture, change does not this result. explain

went on to that PHC require Apotex This court’s law does not to may have existed undetectable amounts extraordinary practice take measures to since Ferrosan first produced anhyd- PHC prior infringing art without claim of 1970s, rate in the particularly because the Powder, patent. the ’723 See Atlas technology to detect PCH (affirming F.3d at 1349-50 the district small amounts did exist until 1985. finding anticipation court’s of inherent de- The district court may reasoned that spite finding that the inherent element possible also be for anhydrate PHC to “extraordinary by taking could be avoided hemihyd- coexist with low levels of PHC art). practicing prior measures” when conversion, thereby rate without further rejecting argument SmithKline’s that the SmithKline has sued for in- in early fringement absence conversion batches of patent express of the ’723 anhydrate prove hemihyd- PHC that attempt prevent Apotex practicing from prior rate form did not exist upon to 1984. See the T96 patent expiration. Powder, that this court noted one Miscellaneous Issues Atlas underlying the doctrine of principles appealed SmithKline also the district ensure that anticipation is to inherent prevent court’s decision to SmithKline makе, or remains free to use public “[t]he contributory infringe- from pursuing its compositions processes, art prior sell above, claim. ment As discussed they or not under- regardless of whether ingestion Apo- claim asserted complete makeup or the under- stand their anhydrate by patient tablet tex’s PHC principles which allow them lying scientific hemih- would result conversion PHC 1348; accord operate.” ydrate. Again, allegations of SmithKline’s In- 339 F.3d at 1379-80. Schering Corp., contributory upon the infringement based ’723 validating claim of the theory converts into PHC the ’196 anticipation inherent hemihydrate upon ingestion further allowing public policy furthers this supports finding this court’s of inherent patents. ‍​​‌​​‌​‌‌‌​‌​‌‌​‌​‌‌‌‌​​‌​​‌​‌‌​‌‌‌‌​‌​‌​​‌‌​‌‌​‍practice expired Nevertheless, anticipation. because claim 102(b), § anticipation is invalid for under also in accord with this holding is contributory in- appeal SmithKline’s on Seaborg, In re precedent. court’s (CCPA 1964), fringement is moot. 1109, 328 F.2d 996 C.C.P.A. of americi- isotope claims for an held that Similarly, appeal of the dis- SmithKline’s by a nuclear reaction were not um made ruling injunctive trict relief court’s by prior art inherently anticipated 271(e)(4) under 35 is within the U.S.C. pro- nuclear reaction disclosing a similar *15 also moot. district court’s discretion is of the claimed with no disclosure cess but ruling necessary That for the dis- was not finding anticipation, no this In isotope. judgment trict court’s below and is imma- positive found “no evi- predecessor court’s appeal. terial to the determination of this isotope was inher- that the claimed dence” court, therefore, does not address by prior process. the art ently produced opinion. that issue in this that properly The court held

Id. at 999. that the small “possibility” the mere III. “may element have

amount of the claimed invali- was insufficient to produced” been summary, In this court reverses the anticipation. for Id. Simi- date the claim claim construction of the district court and that SmithKline’s larly, undisputed it is patent that claim 1 of ’723 cоvers holds patent ’196 Apotex’s practice crystalline hy- paroxetine amount of production of the claimed results hemihydrate drochloride without further in trace amounts. PHC findings limitation. Based on the factual court, of the district this court affirms the Schering Corp., patentee As noted finding Apotex’s an district court’s that PHC may patent protection obtain for inher- infringe claim 1 ently compound through prop- anhydrate product will anticipated that broad construction. Notwith- er 339 F.3d at 1381. This under claiming. holds, conclusion, merely standing that holding today precludes court’s facts, that claim 1 patent undisputed based on the protection compound for the bare invalid for inherent patent in claim 1 of of the ’723 is as claimed under anticipation by the ’196 compound the ’723 because the 102(a). therefore, is, § not liable inherently by patent. Apotex ’196 anticipated patent. compounds 1 of the ’723 dicated that its new infringing for inhibited judg- serotonin-uptake affirms the district court’s in a comparable This court manner ment. existing exhibited these antide- pressant drugs.

COSTS for, applied February Ferrosan and on 8, 1977, assigned, was U.S. Patent No. bear its own costs. party Each shall (“the 4,007,196 ’196 patent”). Paroxetine among compounds that Ferrosan AFFIRMED discovered and that the 196 pro- In granted tected. Ferrosan Beec- GAJARSA, concurring. Judge, Circuit (now SKB) Group part ham Limited court, of the join judgment I make, made, exclusive license to to have however, judgment by I a differ- reach use, and paroxetine throughout to sell trial court road. I would find that the ent (save specified world for Scandinavian construing Claim 1 of the ’723 erred in countries). construction, correct patent. Under the began manufacturing pa- SKB (“SKB”) proven Beecham has SmithKline (U.K.) hydrochloride in roxetine its Harlow Apotex’s product facie case that prima early plant. manufacturing These activi- 1, however, infringe

will Claim Claim ties did not lead to a commercial subjeсt it encompasses invalid because immediately. pharmaceuti- Before a new unpatentable under 35 matter market, drug placed cal can be on the U.S. § 101.1 I would affirm the district U.S.C. it must undergo testing elaborate for safe- judgment court’s favor of on the Quantities ty efficacy. encompasses unpatent- basis Claim hydrochloride were distributed to different pursuant §to 101 con- able matter world, U.S., parts including trary finding majority in clinical use trials. SKB scientists also 102(b). pursuant invalid claim is *16 experimented paroxetine hydrochlo- with majority the factual Although the outlines (i.e., prior ride in form its form to its bulk necessary I to background, deem add being pills) improve pro- into to made specificity more to the historical back- duction of the bulk material. ground. experimentation pa- on bulk form SKB’s 1970s, In the scientists at the Danish discovery. (“Ferrosan”) important roxetine led to company of Ferrosan A/S 29, 1985, May On an SKB scientist named synthesized first a new class of chemical Alan a memorandum enti- Curzons issued compounds. At least some of these com- In Polymorphism.” tled “Paroxetine pounds reported selectively were to inhibit memorandum, paroxe- serotonin, Curzons stated reuptake naturally of a oc- tine “had been shown to exist two dis- curring chemical in the brain. Several crystalline polymorphic creet antidepressants [sic] commercial common at the FORMS,” stable, nonhygroseopic a hemih- reuptake time inhibited the neuronal ydrate anhydrate. in- laboratory hygroscopic serotonin. Ferrosan’s tests and a Cur- thereof, any improvement may a 1. "Whoever invents or discovers new and obtain manufacture, therefor, machine, process, useful or to the conditions and re- matter, composition quirements title.” U.S.C. new and useful of this May confirmed bound water molecule. Cur- zons’s tests paroxetine, a hemihydrate were indeed distinct zons made batch of added and the alcohol, solvent, isopropyl and found that crystalline paroxetine. forms crystallized hemihydrate the batch as a understanding Crystallinity is central anhydrate. rather than as an Curzons polymorphism both Curzons’s reference immediately significance of recognized the “Polymorphs” are distinct and this case. hemihydrate superior handling —its containing crystalline structures the same potential its for a properties' well as —as These structural differences molecules. patent relating properties. new those crys- properties can various of the affect tals, properties melting points superior handling and hardness These are such crys- diamonds are both natural effects of water bonded into the (e.g., graphite and carbon). anhydrous paroxetine hemihydrate. The two forms of The talline forms hydrochloride crystalline paroxetine hydrochlo- that Curzons dis- form of paroxetine technically “pseudopoly- (“paroxetine anhydrate”) hygro- ride covered were is, though pseudopolymorphs scopic; are it attracts water. This morphs,” (an loosely appar- paroxetine not attached to polymorphs often called water is anhydrate by ently common looseness that the district molecular bonds. As re- sult, easily dispersed by and that I have the water is heat- adopted retained Pseudopolymorphs only ing paroxetine anhydrate significantly at a opinion). arranged differently temperature required lower than would have their molecules slightly have a different molecular to liberate the water molecule bound in but also hemihydrate crystals. A an- composition. type pseudopo- common solvate, crystal in lymorph hydrate’s hygroscopicity is a which is a makes it difficult defining crystal process; to handle in manufacturing which the molecules “trap” molecules of a solvent. measures must be taken to control humidi- structure moisture, crystal ty molecules and the solvent mol- and other sources of lest crys- “soggy” anhydrate degrade then bond to form an altered into other ecules ways trapped compounds might impair talline structure. When the water, safety efficacy product. solvent is the solvate is or the Be- bonded hydrate. Hydrates cause is not bonding hygroscopic, called one every precau- water molecule two of the other it is easier to handle with fewer constituting crystal tionary protecting safety molecules the unit cell measures hemihydrates. hy- efficacy. are called Paroxetine (“paroxetine *17 drochloride applied Beecham for a British on

hemihydrate”) crystalline is a structure 25, 1985, discovery Curzons’s on October binding every one water to molecule two and for a on U.S. October 1986. hydrochloride paroxetine molecules. De- 26, 1988, January On the Patent and U.S. molecules, of spite presence water a (PTO) Trademark Office issued the ’723 solid, a powder, at room “Anti-depressant Crystal- entitled patent, temperature. Hydrochloride Hemihyd- line Paroxetine rate,” which, Abstract, discovery, only according Prior to Curzons’s to the paroxetine hydrochloride “provides crystalline hydrochlo- form of paroxetine known had an anhydrate, crystalline hemihydrate, processes prepa- been form ride for its ration, paroxetine of compositions containing that does not contain a same pearing polymorphs tend to be more stable anti-depres- as an therapeutic use and its crys- than earlier Because a stable ones. patent. sant.” ’723 likely change talline form is not as to into issued were identical The claims as versa, a less stable one than vice there The ’723 original application. in the those tends to be a “natural” drift toward more (Claims 1, product claims patent combines Second, polymorphs. impurities stable re- (Claim 4), 5), and claims process crystallization, crystalliza- including tard 6). (Claims Only 5 and Claim claims use Technolоgical prog- tion into new forms. It litigation. at in the current issue manufacturing including in chemical ress — reads: manufacturing manufactur- allowed —has impurities prod- to reduce in their ers hydrochloride Crystalline paroxetine 1. purity ucts. Because of this increased hemihydrate. technology increasingly creates favorable conditions for the. “natural” drift towards taught Subsequent experimentation Third, stability. significantly and most parox- lessons about a few additional SKB case, once a new and more stable First, learned SKB etine should, mixed, crystal emerges, it be even likely existed least old, very quantities, with the less small (and possibly ear- early as December 1984 crystal, may stable the old form convert to ner), identify did not though even Curzons the new. Second, until and more it as such learned that the two significantly, SKB process “seeding” a batch of the through a paroxetine forms of are related new, crystalline structure with its sta- old “disappearing poly- known as phenomenon polymorphs can serve as a method ble times, appearance At morphs.” manufacturing polymorph the new (or pseudopolymorph)— polymorph new “converting” old into the new. Seed- process hemihydrate may affect conversion can also be accidental ing and — poly- the old previously used to make new, crystals side-effects of stable becom- result is such morph anhydrate. The “contaminating” the labo- ing airborne — longer pro- no process that the same will crystal the old ratory plant which here) (as polymorph the old least duce controlled being manufactured. While —at pure in its form. are obvi- the former case conversions methods, natu- ously production desirable polymorphic mechanism of The causal may in the latter ral conversion case clear. and transformation is not creation produc- undesirable interferences with yet Modern science does not understand polymorph. tion of the old full of the atomic interac- complexity poly- play phenomenon Seeding tions at in the and conversion are central morphism, specifically disap- single crystal paroxetine A this case. polymorphs. hemihydrate can seed an environment pearance of some Scientists pro- have, however, be- conversion—and to render identified three factors induce First, pure later-ap- duction of significant. lieved to be *18 Bernstein, Bernstein, (2002); J.D. Dunitz & J. "Dis- of SmithKline's ex- 2. Dr. Joel one trial, authority pert is an on appearing Polymorphs,” witnesses the 28 Accounts of "disappearing polymorphs.” (1995). See Joel Bern- Chem. Res. 193 stein, Crystals Polymorphism in Molecular 89- token, tighter While it is the same with much controls impossible. that environment less, no, maybe place conversion will take theory, to build possible, at least often despite presence Finally, of the seeds. which unseeded environments clean district court noted that the clearest case forms produce pure of process old will of conversion occurs there limited where possibility that often original polymorph, are no water molecules in the environment theory; of seeds only a matter remains anhydrate. of the frequent- the environment introduced into ly parts globe all of the and permeate ease, purposes For the of the dis- this develop such clean impossible render it proffered expert trict court admitted all it No one knows whether environments. testimony concerning disappearing both clean environ- possible today is to build a polymorphism phenomenon scientific pharmaceutical company ments which paroxetine, and its applicability paroxetine anhydrate. produce pure could explanation found it to be a of credible matter, Nor, anyone is certain for that various factual occurrences in the discov- crystal of precisely what caused the first ery spread paroxetine hemihyd- and the of hemihydrate though paroxetine form— rate. likely crystal from that appear does language straightforward, is all paroxetine hemih- December 1984 batch containing only four Claim words—is laboratory prior 1— ydrate seeded Curzons’s straightforward plain the most of all. The paroxetine of the to his initial identification of a claim language asserting rights to hemihydrate polymorph. “crystalline paroxetine hydrochloride hem- noted, uncertainty sur- As scientific ihydrate” “crystal- claims amount of disap- phenomenon rounds the entire paroxetine hydrochloride hemihyd- line particu- pearing polymorphs, as well as plain language rate.” The of this Apotex’s in paroxetine. lar manifestation theory that precisely “single crystal” fact, phenome- expert,3 in testified rejected the district on other paroxetine, non does not manifest itself grounds. explicitly The district court rec- anhydrate paroxe- paroxetine and that ognized plain language the claim’s happily in a tine can coexist single crystal hemihyd- included even paroxetine. single batch of rate; rejected the district court that con- grounds on the that it would have struction weighing testimony After of all of consequences.” “absurd hypothesized experts, the district court presence paroxetine that while hem- suggested The district court that even ihydrate seeds a batch of expressed SKB had some discomfort with likely, only percent- a small implications “single crystal” of the con- likely age paroxetine anhydrate result, through- struction of 1. As a Claim convert to under normal con- litigation, out par- the course both humidity, pres- or temperature, ditions of judges ties and two trial have considered hy- sure. The district court continued to into multiple limitations that could be read humidity, pothesize given enough claim—eаch of a mini- proposed which heat, may considerably larger continue mum amount than a pressure, conversion crystal. summary judg- percent, single During until it and that reaches 3. Dr. Terence Threlfall. *19 uncertainty Kocoras dismissed hearing, Judge “zone[s] desirable which

ment enterprise experimentation may such limita- and en- attempts to introduce several only infringement ter at risk of the. Though adopted he himself never tions. claims.” Binney United Carbon Co. v. construction, ruling his that SKB could Co., 228, 236, & Smith 317 U.S. 63 S.Ct. infringement developed admit evidence of (1942). 165, 87 L.Ed. 232 Such zones im- testing techniques all available using undoubtedly would “discourage invention pursue infringe- could plies SKB only a unequivo- little less than [would] anyone using, against making, ment claim cal foreclosure of the field.” Id. The selling detectable amounts of district court nevertheless erred con- ruling following his cluding possibility the mere that a trial, that under Judge bench Posner noted single crystal interpretation might dis- circumstances, claims un- “ordinary” with courage innovation experimentation language inter- ambiguous plain should be necessarily rendered the claim indefinite. in a preted manner consistent with proper standard assessing There is little plain language. doubt claim patent whether a satisfies the stat- “single crystal” interpretation is the utory requirement of definiteness is only plain one consistent with the claim’s whether one in the un- skilled art would language. derstand the bounds of the claim when Nevertheless, many of the “absurd con- light specification. read in Miles sequences” that that the district court for- Labs., Shandon, Inc., Inc. 997 F.2d are, fact, absurd, ill- esaw (Fed.Cir.1993); Exxon, they the law. The public serve the were 1371, 1375 place for resolutions of such con- proper noted, all Supreme As the Court has patent poli- patent flicts between law and patents discouraging capable are however, cy, Congress, not the courts. Brenner v. Man least some innovation. though, such part, For the most absurdi- son, 86 S.Ct. U.S. itself, likely ties are to lie not the law (1966) (“[H]ow likely is L.Ed.2d 69 disclo in misapplications but rather of the law. process spur re patented sure of a Here, applied the district court two addi- by to which search others into the uses tional elements of law to avoid the product may placed? To the extent perceived absurdities. The district court patentee power that the has enforce his indefinite, single crystal theory found the patent, is little incentive for others there applied various rules of con- uses.”). a search for This dis undertake limiting struction to save the claim however, simply part of couragement, introduced, a lim- scope. district promote public the cost that the bears to explicitly excluding hemihydrate itation system goal an overall whose is to produced by involuntary conversion of a motivate more innovation than it deters. anhydrous proportion of an mixture sq certainly possible It that some individual signifi- small as to lack commercial effect, patents will not have the desired cance. they innovation than and will deter more conclusion, however, misinterprets hard motivate. While such result would meaning interest, of indefiniteness. The dis- negative ly public serve the certainly trict court correct that in- alone to ren policy outcome is insufficient un- claim indefinite. Indefinite- socially definite claims could create der *20 1352 reading limitation from practice the frame- the examined within

ness must be invariably descriptions into claims written by statute as clarified provided work Simply leads to misconstrued claims. recently explained that law. We our case specification in the pointing to discussions if, read in is indefinite when “[a] history or cannot rebut the prosecution it does not rea- specification, the light of should afford- presumption that claims in the art of sonably apprise those skilled Fitness, ordinary meanings. CCS ed their Inc. v. scope Amgen of the invention.” thе Corp., Brunswick 288 F.3d Inc. v. Roussel, Hoechst Marion (Fed.Cir.2002). recognize that 1366 “We contrapositive The 1342 a fine line there sometimes between claim, If is also true. this statement specification, a claim in of the reading light light specification, reason- read reading a limitation into the claim in the art of the ably apprises those skilled specification.” from the Comark Commu- invention, it within scope of the is definite Corp., 156 F.3d nications v. Harris 112(2). meaning of 35 U.S.C. omitted). (Fed.Cir.1998) (citations 1187 case, little doubt that this there is standard, that district Given that line. district court crossed The lan- plain court’s error is evident. “single crystal” theory provides It guage unambiguous. of Claim is entirely only interpretation that is consis- “crystalline paroxetine hydrochlo- claims language with the of Claim of tent hemihydrate,” unambiguously ride interpretation meets patent. the ’723 meaning “crystalline paroxetine hy- all statutory requirement for definiteness. hemihydrate,” any drochloride without It in the art on puts those skilled notice Nothing in claim lan- exceptions. patent protects crystalline the ’723 straightforward guage contradicts paroxetine hydrochloride hemihydrate, matter, interpretation nor, for — amounts, manufacture, all and that patent’s written anything does use, compound including or sale of this — patent’s description, figures, manufacture, use, inadvertent or sale— history. prosecution There is no rea- infringe patent. the ’723 The cor- anyone, much less one skilled son to the rect construction Claim adheres art, plain language in the to read this crystal single theory. else, meaning anything nor to be- every claims Because the ’723 lieve that meant to exclude single crystal hemihydrate, of paroxetine crystalline small or trace amounts of Apotex’s paroxetine product and because hydrochloride hemihydrate crys- contains at least some coverage. from its Those skilled tals, Apotex’s prod- proven SKB has certainly aрpreciat- the art should have infringes uct facie 1 is prima Claim —if if scope ed the of the invention —even enough Because 1 broad valid. Claim is they damag- also viewed its breadth as encompass patentable unpatent- both experimen- ing to their own efforts matter, however, I would able find tation and invention. § 101. it is invalid under 35 U.S.C. court read limitations from The district I. claim lan- description the written into the Authority appear for reasons that to have guage public from its concerns. policy stemmed question patentability under sec- often, not arise and a court’s notwithstanding, The court’s motivation tion does do not bind this court sponte it sua is even less but retain to raise decision *21 value, centrality persuasive of raised section 101 patentable The issues' common. scope parties of the that the had not subject matter to the entire addressed. there are times Ninth Circuit announced that “it is the suggests law that patent duty patent critical. The Su- of the court to dismiss a in inquiries such are when long ago fringement affirmatively that suit whenever preme Court established invention, appears patent that invalid.” the which the Bar question “the whether 1, controversy, keij Corp., in v. 210 F.2d subject-matter Lockheed is the Aircraft (9th Cir.1954). always According to the 2 to open or not is the Second patentable “[ejven Circuit, court, whether the were section 101 not raised consideration of the by by appellees, the answer or not.” it was not error for the dis point is raised R.R., 649, 107 U.S. trict court to consider it since it had the Slawson v. Grand St. (1882). 652, 663, power 2 27 L.Ed. 576 See to do so. Section 101 deals with the S.Ct. Co., and, such, patents Richards v. Chase Elevator 158 matter of as it is also 831, 299, 301, always open 991 to 15 S.Ct. 39 L.Ed. the consideration of the U.S. ” (1895). .... good remain court Howes v. Lakes precedents These Great Press (2d Cir.1982). 1023, law, upon Corp., have relied 1028 though the courts policy explained that drove And the Third Circuit that infrequently. them them, however, remains vibrant. Less date, early has been clear from an [i]t Slawson, after in the con- than a decade the court could dismiss a be- bill interference, Supreme text of an the Court pat- cause the invention described stressed patentable, ent was not even when no present appear invalidity up suit of set parties defense

[t]he ignore ques- Accordingly, party answer.... when a willing to have been patent alleging infringe- on a patentability present brings tion as to suit ment, case, validity litigated merely and to have it is accountable for the of invention, of on the question priority patent.... of assumption pat- that the invention was Co., v. 369 Borden Co. Cheese Clearfield entable. But neither the Circuit Court (3d Cir.1966). 96, F.2d 99-100 question court can nor this overlook the independently The Federal Circuit has patentability. raised section 101 concerns without Wooster, 693, 698, Hill v. 132 U.S. 10 S.Ct. parties at least once prompting from (1890). law, L.Ed. 502 In our 37 33 Ban Corp. before. In Titanium Metals 41.77(b) an specifically C.F.R. allows ad- ner, (Fed.Cir.1985), F.2d 775 we con 778 patent judge to raise the issue ministrative rejected that the had sidered PTO patentability sponte sua as to claims anticipated both under 102 and as Section designated correspond to a count of an under 103. Id. at 776. obvious Section interference. reversed, The district court and issued authorizing order the Commissioner Beyond proceedings, administrative pat to issue the courts have found the occasional need to Patents Trademarks sponte Corp. Metals v. Mossin raise section 101 issues sua ent. Titanium —even (D.D.C.1984). F.Supp. 91 subsequent ghoff, to the 1952 revisions to the appealed. The matter government Patent Act. At least three of our sister The circuits, reached this court on issues rele- rulings prior whose on law therefore patents public from the arena. In Cardi 102 and not to section

vant to sections however, Int’l, Inc., explained, nal Chem. v. Morton We Co. L.Ed.2d U.S. S.Ct. imposes law certain funda- [t]he (1993), Supreme Court reversed our pаtentability, para- mental conditions findings invalidity practice vacating being condition among them mount non-infringement where the found sought patented, what public light strong interest resolv claims, be new. The determined *22 ing questions validity. of In patent Blon applicable of Title 35 provision basic Labs., der-Tongue Inc. v. Univ. Ill. appli- 101 .... The title of the here is Found., 313, 1434, 402 28 U.S. 91 S.Ct. Alloy,” “Titanium cation here involved is (1971), Supreme L.Ed.2d 788 the Court Surprisingly, a of matter. composition length commented at on the wasteful con evidence, nobody discussed in all of the validity the a sequences relitigating alloy key issue of whether it patent after has once been held invalid. new, of the antici- is the essence which Ltd., Group, v. 410 United States Glaxo pation issue.... 52, 57-58, 861, 93 S.Ct. 35 L.Ed.2d U.S. Metals, 778 F.2d at 781. We Titanium (1973), Supreme 104 Court ruled that and order of concluded that “the decision licensees, government, like 1, 2, holding that claims the district always challenge validity could of a patentable and 3 are directed to prosecuting an the course the issuance of a authorizing matter and public antitrust action “to vindicate the clearly patent thereon were erroneous and enjoining interest in violations of the Sher words, In other are reversed.” Id. at 783. man Act.” The Court cited numerous neither affirm recognized we we could authority” support cases4 as “sufficient holdings court’s nor reverse the ‍​​‌​​‌​‌‌‌​‌​‌‌​‌​‌‌‌‌​​‌​​‌​‌‌​‌‌‌‌​‌​‌​​‌‌​‌‌​‍district id., holding, furthering which saw as principled 102 in a under Sections and 103 policy: “It longstanding important a is as way underlying er addressing without public competition to the should assumption that the invention at roneous repressed by patents, be worthless as that section 101. requirements issue met the really of a patentee valuable invention Brassica Prot. Prods. LLC v. See also protected monopoly....” should in his (In Sprout re Sunrise Farms Cruciferous 224, Mfg. Gormully, v. 144 Pope Co. U.S. (Fed. Cir.2002) 1343, Litig.), F.3d 1350 301 (1892). 234, 632, 12 36 L.Ed. 414 S.Ct. (characterizing as “common sense” Titani rationale, including injec um Metals’ recogni- These decisions mirror our own anticipation tion оf section 101 into “[pjublic policy only tion that requires analysis). fully statutory inventions which meet the patents.” standards are entitled to Con- Supreme Both this court and the Court Micro-Devices, Inc., v. a stant Advanced recognized significant have that there is (Fed.Cir.1988) (cita- 1560, public policy removing interest invalid 848 F.2d 1564 416, Cases, 224, 809, (1947); Telephone MacGregor 4. 17 S.Ct. S.Ct. 91 L.Ed. 167 U.S. 374 Co., 402, (1897); Westinghouse Mfg. v. United Elec. 329 U.S. 42 L.Ed. 144 United States & 364, 424, Co., (1947); Gypsum Pope Mfg. States 333 U.S. 68 S.Ct. 67 S.Ct 91 L.Ed. 380 224, 234, 525, (1948); Gormully, 92 L.Ed. 746 Sola Elec. Co. v. Co. v. 144 U.S. 12 S.Ct Co., 172, 632, Lear, (1892); S.Ct. 36 L.Ed. 414 Inc. v. Elec. 317 U.S. 63 Jefferson Adkins, 653, 670, (1942); Katzinger 87 L.Ed. 165 Edward Co. v. 395 U.S. 89 S.Ct Co., (1969). Chicago Mfg. 329 U.S. L.Ed.2d 610 Metallic omitted), Though and that is some legal “[t]here tions SKB’s only infringement prove burden in the stronger public interest elimination evidence, preponderance of the S. Bravo in the affirmation of patents than of invalid Sys., Inc. v. Containment Techs. Corp., 96 Corp. Nestier v. Menasha valid.” (Fed.Cir.1996), F.3d SKB nev- Div., 739 F.2d rp.-Lewisystems Co faces a significant challenge. ertheless As way The best found, Apotex the district court wants inven only issue patents to ensure pure anhydrate; manufacture any hemih- statutory in full with compliance tions ydrate present in an undesir- validity “the of a standards to allow II, impurity. 247 F.Supp.2d able See SK in ex patent, originally which was obtained 1025 & 1045. Both SKB PTO, proceedings in the be chal parte [to] rejected district court explicitly possi- Constant, F.2d at lenged court.” bility that the anhydrous hemihydrous forms of came into existence *23 simultaneously, every and that batch of sponte that inquiry The sua section (or paroxetine ever manufactured that this case warrants therefore falls well manufactured) will be ever contains at tradition, long sparse a if within somewhat least trace elements of —an part of by public policy driven concerns prove that argument only would not SKB’s legal authority. grounded entirely but point Apotex’s product, about but would Where, here, as the facts are unusu- both also invalidate the ’723 as inherent undisputed, legal impli- where al the art. prior in the Id. at 1025. clear, of where a cation these facts fundamental of аspects consideration of theory basic of infringement, SKB’s necessary to the policy law and maintain recognized the which district as es- law, of integrity sponte a sua tablishing prima infringe- facie case of applied patentability single crystal into of the ment when to the inquiry construction, id. upon at rests two subject matter is appropriate. claimed that principles

scientific remain matters of controversy within the scientific communi- II. general as a ty, phenomena both seeding applied paroxetine: and conver- Infringement Theoi'y of in- See id. at 1021-23. Under this sion. proper Because construction fringement theory, the form paroxetine crystal” theory, “single Claim follows was, indeed, pure discovered the 1970s prove Apotex’s product SKB must that anhydrate; hemihydrate did not until exist and will continue to contain at least 1984. does late inevitable, infringement. spontaneous We

5. The district court’s maze of alternative finding Apo- claim constructions and theories face We ad therefore a choice. can either plus theory infringement, tex not liable for explain why dress the issue head-on and an by majority, unique attest added to the attempt patent unpatentable matter circumstances case. district anomalies, many apparent leads to so or we opinion, particular attempt court's and in its try aspects can law contort defense, equitable to introduce a novel Smith by parties raised in order to avoid those Corp. Apotex Corp., Kline Beecham anomalies. I the law is best believe (N.D.Ill.2003) ("SK F.Supp.2d 1043-45 by adopting straightforward ap served II"), strongly imply something "feels proach. wrong" holding infringer about liable expert] required Dr. Bernstein testified that is to cause conversion is so [SKB’s ‘absolutely minute.... was convinced’ that he hemihydrate had existed before De- no Id. at argues 1020. SKB therefore Threlfall, Dr. Terence 1984... cember any paroxetinе manufactured a seeded expert polymorphism, on testi- Apotex’s inevitably environment must contain at Dr. Bernstein’s absolute cer- fied [that] hemihydrate, least some that this condition ... No tainty is not tenable. one knows only prevailed has since some time in late paroxe- form of when the Apotex’s and that facilities have been existence, although into it tine came inevitably will become seeded. that it did not reasonable inference exist SmithKline, According to plant BCI in a amount until then. detectable anhyd- which [in manufactures forward, at From that date how- Id. hemihydrate crys- is seeded with rate] ever, impossible produce pure it tals Apotex, because was there that anhydrate in a “seeded” environment be- exercising experimental- the broadened cause even under normal climactic condi- privilege use conferred the Hatch- tions, least some Act, hemihyd- Waxman used and made “convert” to become rate in developing anhy- the course of product. drous ‘seeding’ the old with process is, new can can be deliberate —that Id. at 1024. *24 manufacturing the poly- method of new adventitious, a of morph result —or III. crystals fact that some of become proof supporting theory SKB’s this must airborne and ‘contaminate’ the laborato- upon rest factual demonstrations. anAs ry crystal old plant or which the court, appellate accept we all facts found being manufactured.... rel- [T]he seeds by they the district clearly court unless are evant to this case are seeds that cause Arcan, Inc., Shockley erroneous. polymorph one to convert to another and F.3d The dis- crystals these seeds are of the form to court, however, trict signifi- stated its most single tiny A which conversion occurs. finding cant an hypothesis: as seed, crystal, single might constituting induce The creation of conversion.... conflicting testimony of Bernstein polymorph likely the new to make the ... on the one hand and of Threlfall on laboratory plant produced or where it is can largely other be reconciled on seeded, with the result that efforts to the following hypothesis: pres- while the produce may polymorph the old instead hemihydrate ence of seeds a batch of one, produce the since it is the more new anhydrate likely, provided the am- principle stable form. it should be humidity temperature bient are no possible polymorph, to re-create the old lower than temperate is normal just by procedure the exact replicating zone, produce conversion within a created, by only time, which it used to be this short once the amount converted time in a environment.... seed-free percent [I]n reaches a few of the mixture practice poly- efforts to re-create old unlikely further conversion is without succeed, morphs always probably do not substantially greater humidity, tempera- ture, because pressure. the critical mass of molecules or added). II, plant.” Find- F.Supp.2d (emphasis 1022-23. leaves Id. SK conclusion, But hypotheses pose par- syllogistic fact stated as concrete ings of challenging problems appel- for evidence is ticularly support “[t]his sufficient accept Did the district court that will making late courts. BCI be at least inference upon legal tiny a fact which hypothesis amounts if it is rest, permitted can arguments anhydrate.” and conclusions manufacture the added). merely trying (emphasis was the district court to Id. testimony scientific

make sense found, The district court therefore as a experts proffered? the two fact, paroxetine matter of anhydrate legal The district court’s own conclu- in a seeded by environment characterized accepted make it that the court sions clear normal climactic conditions can convert it- facts, by stating, example, thеm as spontaneously paroxetine self into hemih- “[Apotex’s] plant is seeded as a result BCI ydrate. Id. The district court further id. at experiments,” of the mid-1990s 1032 found that SKB had met burden added), (emphasis and that “the proving, by preponderance of the evi- proceeds through process as it [at dence, that such conversion was inevitable junctures at several be plant] BCI will at Apotex’s manufacturing facility. BCI enough air that contains water exposed to Id. at 1042-43. anhyd- permit

molecules to conversion of The district court next turned to consid- hemihydrate.” rate to Id. These state- Apotex’s er “If ... defenses. claim is if only ments make sense the district court valid and will ... infringed single seeding that both and conversion are found crystal ... [then] facts, applied scientific at least as valid complete has a affirmative defense purposes for the this case. infringe- SmithKline is the cause of the district court’s understandable ment.” Id. at 1052. This conclusion makes *25 hedging language dealing of its when with only finding Apo- sense after a factual controversial scientific theories neverthe- legal experimentation tex’s with Paxil6 less led it to definitive factual conclusions: plant. seeded the at 1024. “Apo- BCI Id. ‘making’ be at 'probably “BCI will least crystals tex cannot eliminate all of hemih- hemihydrate crystals some and therefore ydrate; single-crystal under a interpreta- facie, patent at infringing, prima least tion of claim SmithKline is the sole [and] if interpreted single claim is to cover (em- infringement.” cause of Id. at 1044 crystals hemihydrate.” (empha- Id. in phasis original). added). anhyd- sis “Some conversion from Finally, explained the district court likely

rate to is to occur in a difficult, facility anhydrate may in it in it seeded which the is is and some cases air; seeded; exposed plant impossible (paroxetine hydrochloride BCI’s is and anhydrate hemihydrate may manufactured there is ex- be one of those knows), posed destroy air before it all nondehumidified cases-—no one Act, (FDA). generic 6. Under the Hatch-Waxman The district court viewed this statuto- license, II, drug experiment ry permission implied manufacturer is allowed to as an SK drug patented prove planned F.Supp.2d with a that its at and attributed liabili- product bioequivalent already ap- ty seeding consequent to one for the to SKB. Id. at proved by Drug the Food and Administration premises.... Dr. Bern- disclosed and what has been claimed is seeds seeded Apotex, desperate public that if the essence of notice. It stein testified tells the infringement public products charge processes to avoid a built which plant infringe new in Antarctica where no hemih- and which had ever been and started would not. ydrate seeds there, manufacturing anhydrate and a Int’l, Computer PSC Prods. v. Foxconn depressed plant dropped worker When floor, might Paxil on the the result tobe product the claimed can be “made” via the plant impossible seed the and make spontaneous noninfringing conversion of a then on to produce pure from one, product infringing adequate into an there. if impossible notice is the claimed —even initially synthesized at in a Id. 1020-21. labo ratory. short, four district made (1) findings: Hemihydrate Long critical factual before when Section for- crystals description did not exist before their first malized the modern written re- emergence laboratory quirement, Supreme in an SKB late Court observed (2) 1025; Hemihydrate at that: id. seeds spread easily, increasingly large parts Whoever that a certain useful discovers seeded, becoming of the environment are art, produced, any result will be ma- (3) 1020-21; at normal climactic id. Under chine, manufacture, or composition environment, in a conditions seeded matter, means, by the use of certain anhydrate crystals least some will convert it; a patent provided entitled to he to become spontaneously specifies the means he uses in a mannеr (4) 1022-23; crystals, Apotex’s id. at exact, so full one skilled seeded, manufacturing facilities have been can, appertains, the science to which it at 1024. id. by using the specifies, means he without to,

any addition or subtraction from IV. them, produce precisely the result he if describes. And this cannot be done findings highlight These of fact describes, the means he unique challenge infringement done, if it void. And can be then the analysis patent poses: infring- of the ’723 *26 right confers on him the exclusive ing tendency matter has an unusual to to specifies produce use the means he “appear” even where it is unwanted. Such describes, the result or effect he spontaneous appearance patented a of a nothing more. vitiates the notice product public function Morse, 62, 119, O’Reilly v. 14 at How. patents. of See id. 1028. Under nor- (1853). circumstances, Supreme L.Ed. 601 Court mal explained further ordinary of skill in art one should be description patent, [a]ecurate able to read discern which of the invention is law, required by matter is disclosed and discussed in the important several description, recognize purposes: government may written and to 1. That the granted, which matter has been claimed. The what will know and what ability public property to discern both what has been the term become when prod- conversion of prevent That has tried expires. 2. licensed monopoly of patented principal to the form and a uct the inven- desiring practise persons it issue in this case is whether has succeed- during the term how to may know tion ed; suggestion there is no construct, make, the invention. and use II, F.Supp.2d desires conversion.” SK 247 what may know That other inventors (emphasis original). at 1015 is unoccu- field of invention part of the pied. 1 therefore cannot be valid. But Claim consequence of its the failure of notice is Coe, 31, 39, 25 L.Ed. 68 98 U.S. Bates v. of invalidity, not the source it. We must (1878). may pre-1952 cases these While consider- whether or not the ’723 modern written directly to the apply only patentable subject matter. covers 112, of Section description requirement Slawson, at 652. See 107 U.S. longstanding cen- they demonstrate the do pat- function to public notice trality of policy.

ent V. us, for hemihydrate forces Paroxetine Subject Matter Patentable time, requirement to confront the first any discovers new “Whoever invents or so full specify a manner patentee that “a machine, manufacture, process, and useful exact, skilled in the sci- any one matter, composition of or new and can, by appertains, [avoid- tó ence which thereof, improvement may obtain useful O’Reilly, 15 specifies,” he ing the means ] ....” 35 U.S.C. 101. The patent thereof 601, produc- avoid at L.Ed. How. interpreted this statu Supreme Court has' Otherwise, there product. ing the claimed subject tory patentable matter to range way [to] for “other inventors will be no broad, “In hardly but universal. quite the field of invention is part know what as ‘manu choosing expansive such terms Bates, Effec- 98 U.S. at 39. unoccupied.” matter,’ modi ‘composition facture’ and physi- if a natural impossible notice is tive comprehensive ‘any,’ Congress fied noninfringing convert a process cal can that the laws plainly contemplated infringing into an one. scope.” Diamond v. given would be wide 303, 308, 100 Chakrabarty, 447 U.S. S.Ct. was correct con- The district court (1980). That wide 65 L.Ed.2d 144 patent, ’723 cluding that Claim nature, excludes laws scope nevertheless crystal con- proper single to the ideas. phenomena, natural and abstract struction, suitable notice. provide fails to are ‘manifestations “Such discoveries II, 1052. A F.Supp.2d SK nature, ... to all men and reserved free manufacturer, such ” Id. at 100 S.Ct. exclusively to none.’ efforts Apotex, could exert reasonable v. Kalo Funk Bros. Seed Co. (quoting only products already to manufacture Co., 127, 130, 68 S.Ct. 333 U.S. Inoculant domain, its entire public could direct (1948)). also Dia L.Ed. 588 See only process developing toward production *27 175, 185, 101 Diehr, S.Ct. v. 450 U.S. mond all scrupulously respected products (1981); 1048, 155 Parker 67 L.Ed.2d in- patent rights, and could nevertheless 589, 2522, Flook, 584, 57 98 S.Ct. 437 U.S. physical process a natural fringe because (1978). L.Ed.2d 451 anhydrous prod- acting upon legitimate nature, just dis- hemihydrous crystals though uct new “Phenomena of “made” covered, processes, and abstract public. “Apotex Apotex then “sold” to the mental 1360 patentable, are not concepts is not the first invention to

intellectual process tools of scientific and blur the line between a natural the basic they are synthetic a product, work.” v. Ben nor is it the first technological Gottschalk 63, son, 253, engender patent confusion in 93 34 law. 409 U.S. S.Ct. (1972). In Century, the Nineteenth conflation single A standard L.Ed.2d 273 principles ‍​​‌​​‌​‌‌‌​‌​‌‌​‌​‌‌‌‌​​‌​​‌​‌‌​‌‌‌‌​‌​‌​​‌‌​‌‌​‍of the natural acoustical of tele- applies product process claims and phony telephone with the invention of patents claims alike. Id. are “[WJhether equipment gave rise to litigation. massive subject [challenged allowable for matter] Cases, Telephone See discretion, U.S. S.Ct. not a matter of but of law.... (1888). disentangling 31 L.Ed. 863 In falls within Either matter Sec complex litigation, patent Supreme or it not.” Legal tion 101 does Animal noted that: Court Quigg, Fund v. 929-30 Def. law, And as a matter of appeal one of the cases on ... guiding the critical distinction all section says: patent “There can be no for patentability into the inquiries sub principle. a mere The discoverer of a human-made,

ject syn matter is that or natural force or a scientific fact cannot thetic, processes patenta are products proceeds have a for that.” But it ble, products processes while of nature exception nugatory by to make this con- Chakrabarty, 447 at are not. See U.S. (or the natural founding process scienti- 2204; J.E.M. AG v. Pio Supply S.Ct. fact) fic with the process invented Int’l, 124, 130, neer Hi-Bred 534 U.S. working apparatus; sustaining the (2001). 593, 151L.Ed.2d 508 S.Ct. patent for the last a construсtion upon blindly sweeps which in the first. a

The district court found as matter of likely in point, fact that at some late 270-71, at Id. 8 S.Ct. 778. The ’723 something occurred SKB’s laboratories similarly confounds the scientific fact of gave phenomena rise to new two si- paroxetine conversion with the invented II, multaneously. 247 F.Supp.2d SK at product paroxetine hemihydrate —and synthetic crystal 1021-22. The first was a similarly SKB asks us to “sustain[J id., paroxetine hemihydrate, later named upon for the last a construction ostensibly patentable a human-made in- blindly which sweeps the first.” Id. We Chakrabarty. vention under The second so, only should not decline to do as the was a natural physical process whereby majority has and as the district court did (a paroxetine anhydrate pre-existing syn- alternative, in the but we should be clear crystal today public thetic about implica- both character and the domain) could, under normal climactic con- underlying tions of the request. intervention, ditions and with no human presumably Paroxetine with water bond molecules convert synthetic compound, created humans in II, hemihydrate, into paroxetine itself SK laboratory, existing never before na- 1021-22, F.Supp.2d ostensibly ture, that capable is nevertheless of “re- unpatentable, newly natural discovered producing” through pro- itself natural Chakrabarty. process under II, 247 F.Supp.2d cess. SK at 1022-23. synthetic This distinction between the crystalline compound ques- raises a “reproduction” pro- and its natural might tion similar to one that arise when subtle, cess is critical. considering plant but Paroxetine the invention of a fertile *28 products, hypothetical such as our organism, ca- Because engineered genetically or a paroxetine hemihyd- blue corn or SKB’s released into the reproduction, pable of rate, through that can “made” a natural Consider, be example, might what for wild. fertile, process spontaneous imply conversion genetically if blew hаppen the wind infringement, no inevitable combination of protected patent, corn modified blue language description and written into single of a farmer from the field one possibly could teach skilled even harvest from cornfields. The neighboring un- infringement. art how to avoid It is at least fields would soon contain those requirement that a considered surprising in with the blue corn mixed patented some patentable products so trivial for most yellow corn— public domain traditional it implicit, we are content to let remain The wind thereby infringing patent. avoidance, namely infringement a lesson blow, patented and the continue to would effectively subject impossible matter throughout the conti- crops spread would short, unpatentable under section 101. (if all) nent, turning most thereby broadly enough claims patent drawn unin- corn farmers into North American appear, encompass products spread, inevitable, tentional, infringers.7 The yet “reproduce” processes natural through owner would implication patent —that subject unpatentable matter under cover every royalties to collect from be entitled 101—and are therefore invalid. section even a farmer whose cornfields contained possibly patented few blue stalks —cannot majority patentability The that a asserts underlying question that correct. The be analysis section 101 does not consid under court, and that led engaged the district er whether a claimed includes holdings, numerous alternative develop coverage naturally occurring within is incorrect. why implication not, majority’s view is compositions. been, Patentability and has never law. argument, when faced with this At oral “requires an examination of the contested hypothetical, expressed SKB its belief subject claims to see if the claimed matter “very a blue-corn such subject mat a whole” comes within the misplaced. The strong.” Such a belief is AT&T described section 101. See ter infringe- of “inevitable implicit concept Communications, Inc., 172 Corp. v. Excel failure of stems from the ment” inevitable (Fed.Cir.1999); accord In F.3d which, public provide notice— (Fed.Cir. F.3d Alappat, re turn, inherently unpat- stems from the 1994) (en banc). stated, court has As this subject the claimed mat- entable nature of hand, issue at whether substantive “[t]he ter. to claim [patent] is invalid for failure problem section 101 therefore is a statutory matter under circle, impossibil- full back to the and stat brings us matter of claim construction both circum- Bank & ity public utory notice. Under normal construction.” State Street Inc., stances, patentee Signature Group, other than the v. Fin. inventors Trust Co. Both infringing a 149 F.3d will understand how to avoid AT & T and State Street considered by avoiding product. the claimed 1996). hypothetical unavoidable Although causes is not a factor in determin intent infringement situations where the ing infringement, public required as even in notice is faith, would, good want to avoid validity patent. Jurgens public predicate of a to the CBK, (Fed.Cir. Ltd., infringing. 1570 n. *29 100 S.Ct. 65 L.Ed.2d claims to determine their U.S. scope Int’l, (1980); Pioneer Hi-Bred Inc. v. analysis 101. The validity under section Inc., Agric. Supply, 200 F.3d 1374 J.E.M. fully is con- provided by this concurrence (Fed.Cir.2000), 124, 122 534 U.S. approach. sistent with that aff'd (2001). 593, 151 L.Ed.2d 508 Parox- S.Ct. Fund, Legal Both Animal Defense appears now to be the etine majority upon, and Chak- relies which that forces the courts patent litigated first Legal Animal rabarty, which Defense patentability products to consider the patenta- upon, Fund relies considered laboratory launched in a processes and/or “non-naturally occurring” organ- bility of into nature. and released Fund, 932 F.2d Legal isms. Animal Def. issue, complexity Despite the at Animal at 927. The PTO rule issue analysis straightforward. An invention is that “non- Legal Fund announced Defense time in a synthesized for the first laborato- multicellu- naturally occurring non-human ry eligible patent protection for under is with- living organisms” patentable lar were producing sectiоn 101. Processes for this The same rule section 101. Id. at 928. laboratory synthetic product and/or that it “did not af- specifically announced may using synthetic product for also products found principle fect the .that eligible patent protection for under sec- be patentable. nature will not be considered” However, reproduction tion 101. a natural court, majority quotes, Id. as the When the sexual, asexual, process, part whether “[ejither subject matter asserted that reaction, process decay, or a chain not,” 101'or it does it falls within section ineligible patent protection for under sec- taxonomy. underlying adverted to that Chakrabarty, tion 101. at U.S. patentable un- Whether matter 2204; Bros., 100 S.Ct. Funk 333 U.S. at der section 101 cannot be decided without An reproduced by 68 S.Ct. 440. item classifying “nonnaturally occurring” it as process, such a natural whether an inor- or “found nature.” form, ganic ipso structure or. life must the claimed PHC Because ineligible patent protection facto be patenta- not categories, falls into both under section 101. Merely limiting ble under section Supreme ap- has with Court cited hemihydrate” “synthetic claim to proval Congressional Record sur- problem. But would have solved the rounding adoption of the Plánt Patent not. SmithKline Beecham did Act of 1930: plant discovery resulting from cul- [A] VI.' isolated, unique, tivation is and is have forced this Technological advances nature, by nor can it repeated repro- ” court, court, and the predecessor our Su- by nature unaided man .... duced preme to consider the line between 6; Court supra, H.R.Rep. No. S.Rep. including the natural at 7. supra, Congress No. thus non-natural' — non-naturally occurring such inventions recognized that the relevant distinction plants and bacteria —several times over living was not between and inanimate See, nature, e.g., In re past things, products few decades. between but (CCPA 1979), not, Bergy, and human-made living rev’d whether Chakrabarty, sub nоm Diamond v. inventions. *30 303, 2204, findings These to an

Chakrabarty, inescapable 447 U.S. 100 S.Ct. lead added). conclusion—a conclusion that the majority (emphasis 65 144 L.Ed.2d attempts question dismiss as a ruling confirming hybrid plants recent “scope,” patentability. rather than of subject matter under sec patentable are “synthetic Had SKB claimed or non-natu 101, Supreme noted that tion Court rally occurring crystalline paroxetine hy “[hjybrid generally ... do not re plants hemihydrate,” drochloride would i.e., produced produce true-to-type, seeds only subject patentable have covered mat reliably yield by hybrid plant do not ter, and would be entitled hybrid characteris plants with the same judgment of noninfringement. Had SKB Thus, contin tics. a farmer who wishes to explicitly crystals claimed the converted growing hybrid plants generally ue needs facilities, in Apotex’s as “the either natu seed.” J.E.M., buy hybrid more 534 process ral of converting paroxetine an- 128, 122 U.S. at S.Ct. 593. hydrate to paroxetine hemihydrate” or principle unifying these statements “crystalline paroxetine hydrochloride hem- 1930,1980, made in patentability about ihydrate arising through natural conver 2001, sion,” capable being products unpatentability under section 101 manifest; man,” by by though would be “reproduced nature unaided claimed composition, matter would be a useful 303, 2204, 447 100 Chakrabarty, U.S. S.Ct. would be one that occurred nature. 144, patentable subject are not 65 L.Ed.2d 309, Chakrabarty, 447 See U.S. at 100 Though matter under section 101. 2204; Bros., 130, S.Ct. Funk 333 at U.S. question have not briefed this di parties By 68 claiming simply “crys S.Ct. 440. they rectly, and the district have paroxetine hydrochloride talline hemihyd- more than facts to ob provided sufficient no rate” with reference to how it was dispositive legal tain a and incontrovertible produced, effectively “crys SKB claimed determination that Claim 1 of the ’723 paroxetine hydrochloride hemihyd- talline patent is invalid under section 101. non-naturally occurring rate whether construed, patent, correctly The ’723 arising through natural conversion.” every crystal single claims 1, issued, Claim therefore combines hemihydrate, including crystals those aris- patentable unpatentable mat ing through natural conversion. The dis- ter, 101. and is invalid under section properly prof- trict court admitted SKB’s majority “confusion” to which the alludes testimony the scientific expert fered about should never arise because we cannot conversion, reach Section 102 unless the claimed mat underlying mechanism natural II, 1019-20, ter can overcome the hurdle of section F.Supp.2d 247 at under SK Pharmaceuticals, Daubert v. Merrell Dow 2786,

509 113 125 L.Ed.2d U.S. S.Ct. products to claim wishing Inventors (1993), Joiner, 469 and General Electric v. synthesized can either be laboratories or 522 U.S. 118 S.Ct. 139 L.Ed.2d generated by processes may pro- natural (1997), conjunction it in weighed with by incorporating negative tect themselves contradictory testimony proffered Apo- like “non-natural” or limitation terms II, experts, F.Supp.2d tex’s SK at they “non-human” into the claims that sub- that at and concluded least some of v. Amgen mit for examination. See Inc. Apotex’s anhydrate Roussel, convert itself Hoechst Marion II, (Fed.Cir.2003); F.Supp.2d Legal SK Animal Def. Fund, 923; Wakefield, 1022-23. 932 F.2d at In re made no such dis- 422 F.2d at 904. SKB COMMUNICATIONS, SKB, early NAZOMI despite recogni-

tinction. II, conversion, SK INC., Plaintiff-Appellant, seeding tion of all paroxetine claimed F.Supp.2d at including both those hemihydrate crystals, *31 without hu- natural conversion “born” of HOLDINGS, PLC, Limited, ARM Arm those “made”

man intervention and Arm, Inc., Defendants- human effort. laboratory through explicit Appellees. claim to a SKB further demonstrated No. 04-1101. naturally occurring possessory right litigation, crystals by pursuing Appeals, United States Court explicitly during oral articulated this claim Federal Circuit. argument. breadth of Claim makes The asserted April 2005. only under the erroneous belief

sense may protect products spread

patents by directly natural

reproduced processes, our well established under-

contradicting by

standing imposed of the limits section trends, current scientific such

101. Given easily could lead to misdirected

a belief investments, inappropriately

research patents, widespread and to a

issued crippling entire industries

terrorem effect artisans learn that even their best

whose rights may not respect patent

efforts to inadvertent, liability from

save them infringers.

inevitable As the district court

recognized, patents the notice function of environment, SK meaningless such

II, F.Supp.2d The lack of 1028. innovation, easily notice could chill

suitable

inquiry, experimentation, and commercial

development. law does concept infringe-

sanction the of inevitable

ment. single

Because SKB’s assertion

crystal theory provides the correct con-

struction of the ’723 claims Claim ‍​​‌​​‌​‌‌‌​‌​‌‌​‌​‌‌‌‌​​‌​​‌​‌‌​‌‌‌‌​‌​‌​​‌‌​‌‌​‍crystals repro- by unpat-

duced nature unaided man — entable matter —and is therefore

invalid under 35 U.S.C.

Case Details

Case Name: Smithkline Beecham Corp. v. Apotex Corp.
Court Name: Court of Appeals for the Federal Circuit
Date Published: Apr 8, 2005
Citation: 403 F.3d 1331
Docket Number: 2003-1285
Court Abbreviation: Fed. Cir.
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