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Special Equipment Co. v. Coe
144 F.2d 497
D.C. Cir.
1944
Check Treatment

*1 EDGERTON, MILLER, Before ARNOLD, Associate Justices. ARNOLD, Associate Justice. alleged invention in case is a automatically cuts, peels machine pears canning. and cores It consists of tops (1) revolving turret which the off, pears (2) are “bobbed” or cut split- which transfers them to a mechanism half, (3) ting which cuts them in knife revolving turret a second pears peeled and halved cored. highly has been machine successful. possible annual has made double the materially pear pack since 1931 and re- pears. of canned About the cost duced per pears of all canned are cent eighty A machine. prepared entire on the machine. been allowed appeal rejection from the is taken for a subcombination omitting cutting knife. machine aof ma- we will refer For convenience knife cutting as the without chine machine, and the machine with partial complete machine. as the cutting knife claims in effect rejected the The trial *2 sub- true two hand before they represent joined together not a halves because did cutting they rhyme are or combination. found that inserted. There is It produce partial element reason for such a manufacturing knife was an essential therefore, concluded, machine when plete a there is the com- useful result. available knife cutting cutting that the machine without machine which does disclosed mechanically. invention which was not the which application, and that in the only real of a on this value actually did not cutting invention. left out the describe knife protect subcombination is to the on complete important machine. How subcombination result, (1) If it be true that the inbe this case we cannot (2) produce Theoretically complete does not a useful ascertain. if the disclosed, wit: only adequately invention is machine is specifications one described complete machine, sub-patent refusal is not needed justified. is develops claims here all. subcombination someone new ma- very However, propositions rest on a appellant’s chine that imitates these machine too answering closely them the infringe principal patent it will slender foundation. pictures of the plaintiff motion super- showed subcombination claim will be operation with- fluous. subcombination actual clear that cutting It was out the knife. principle But approving involved in than the useful the result was far more only purpose claims whose is to by hand. preparing fruit old method protect other claims has far-reach- argument that basis consequences. ing on the fact that useful rests result was not technique, is a common in what has better done much the work was organized getting become the business of twilight cases complete In such machine. patents, single to surround invention with not the test whether there is no real patented a number of claims on or two application discloses one aspects appli- that invention case it seems In this inventions. distinct cant intention manufacturing has no subcombina- say that the plausible to more exploiting patents.1 as distinct These are result and a useful produce does called patents. or fencing often disclosed in the’ inventions distinct two good A illustration try- of the idea we are application. express ing to is found a memorandum However, not decide patent policy need large we concern investi- even(if appellant’s gated we take by the Temporary because National Economic and assume that Committee, its face value contention at reads as follows: the subcombination the claims for taking patents “In out we have three invention, neverthe useful distinct purposes main —- in patent on that that a believe less we vention should “(a) To cover the actual machines reason denied. The is out, we putting prevent purpose making a dis appellant’s * * * duplication of them. patent claim on subcombination tinct “(b) To block development of ma- develop the commercial to stimulate might chines which constructed from that return financial ment or for the same as our ma- shows that to be Instead, record chines, using alternative means. exploit and used to “(c) patents To secure possible on im- another related monopoly of provements of competing machines, complete machine. There is no wit: prevent in’ to ‘fence those and their reach- make-or license others to make intention to * * * ”2 improved stage. because, although it partial machine knife, example possible cutting it without Another to use policy independent designed testimony for such use. found it It is of Mr. Charles Ket- clumsy tering Temporary artificial and substitute before the National requires complete Committee, machine. It explained that Economic who practice in half first cut and then the as follows: the fruit process patent Investigation Committee, the use of Cf. nomic of Con- Power, of another centration of Economic p. extend Part Ethyl (Exhibit 125) (1939); Gasoline No. 75th Cong., 3d Sess. infra note l Temporary 2 Hearing, Nationa Eco- ways actually cess which is manu- intended to be half a dozen “Sometimes there licensed, factured or with- do it. and thus comes you after start to doing thing way, down money rule laid you put your When Bradley. ’Mr. auxiliary patents as sort you take out these your you protective things didn’t find At one time the reasoning of the *3 self, right, too.”3 I think that is all pre- Bag support case5 could be used to the attempt patent sent obtain one claim examples— to These, course, only are of for protecting the another. of may may which not have influenced that the argued case defendant that the particular dan- appellant illustrate the —to injunction equitable remedy in- blocking gers inherent in granting the fringement should be denied because of fencing patents. The record does plaintiff’s the the “unreasonable expects non-use” of appellant use show that here to its patent. Plaintiff did not manufacture may well be fencing aggressively. patent ques- declined license the to in protection against the that tion, in protect order patents to his investment in by others. aggressive of similar patented another machine with which Yet if it is another illustra- the suppressed patent competed. This use of danger allowing such claims tion of the patent the practice exploitation to aid in the inventions. as distinct Once that patent approved opinion. another was multiply direc- the established claims in all is tions. The fact that ag- qualification The use them for was a suggestion some compels might them for a different gression others demand result be reached had to the evidence shown “a of diminished protection. granting The result block- supply or patents prices.” create a maze of increase in fencing is to patent to whose effect of confuse and inventors and to corporation restrictions might argued From this decision it impede competitors business patent granted should be even if it some one entrench appeared applicant’s purpose that the was position of domination not to manufacture but to technique. an industrial over patent. suppress the use the to proper, manufacture is grant of a then controlling In the absence of deci patent proper. purpose may equally for that subject ap it sions on this would seem Paper The fact Bag pur parent grant infringement involved is a distinction with- development pose of ma blocking out a difference. might by which be constructed chines is a violation the constitutional We the reasoning not follow do promote Paper Bag provision law must case because we believe that its 1, principle, and the useful arts. science Const. art. which inconsistent with the provision dangers 8. The approving cl. a constitutional that the law permits patent “promote monopoly arts,” which science and the useful has by subsequent granting on dis been to be extended tinct overruled decisions. inventions, Indeed, growth which it of monopoly re- exploiting intention as distinct inven strictions followed up it that blew apparent tions, Paper Bag case it growth Paper till burst. of modern the The monopolies when, Bag based on Such case was decided at a control. time ac- case,6 invalid for patents cording reason to the Button Fastener same supposed misleading broad and be lawful which condemns to enlarge the principle, scope monopoly That claims. as stated means Bradley early pro tying clause to enable “ingenious attempts unpatented price from control tect articles used *** discourage patent. Paper opinion further invention with the Bag * * department largely industry language *.”4 rests taken from Button Fastener case. fencing patent is actual- But, device ly ingenious to broaden the in Motion Picture Patents Co.,7 beyond pro- Universal Film the invention article or Co. v. Su- Ibid., p. 345. Heaton-Peninsular Button-Fastener Bokee, Specialty Co., Cir., 1896, Carlton Eureka Wall. 517. 77 F. 35 L.R.A. 728. Paper Bag Continental Co. v. East Co., 1908, 871, L.R.A.1917E, ern Ann.Cas. 1918A, 'business of that claim control ion headed preme ly” patented fluid. side the means antitrust or manufacture which business particular the ‘find ture less ple used to Another no connection with Paper Bag case. We patented materials and United States.8 tion of ent. ents case formerly entee ented claims Paper Bag case. The until the decision sole another (the “ principle between exploitation. * * enunciated same, his Mr. Justice the practice unpatented materials revenue Patents case Court to fluid and patent grant as to unpatented aid the scope valid distinction advantages policy. exploit approved the use of the Court struck Ethyl prosecution consciously framed is broad * invention continued to an anti-knock “Scope patent. overruled condemned Such case), and exploitation came from the the related eploitation In the Stone gasoline. the business The mixture Nevertheless, or to same, positive enough to overrule the of the Patent benefits as result materials. Ethyl which is fluid, tetra-ethyl In both cases in a refusal patent monopoly, the defendant can Motion covered the owned down to the same the cases said: ultimate portion development of using it promote in Motion refusal motor sphere between Gasoline see secure The defendant’s sustained cited Ethyl’s patented. to license the fluid no difference Picture several *4 product out sale of the of his policy also taken fuel. selling purpose is which has manipula enhanced Monopo mixture using a Corp. v. general exploit license system princi courts in an opin from conclusion basic to lead. Pat Pic One pat pat pat had control and We un un the of the to fuel 2d process with the constitutional mandate.10 And this 83 L.Ed. 610.”9 L.Ed. the unpatented velopment vention limited bice It 335, 462, means of 228-230, rules Lecithin Co. v. Warfield secured used of a business not embraced within the ented clusion is ing refiners and see Standard States, supra, exploitation commercial ent. censing second Corp., supra, States, We declares commercial Co. Barber enjoyment first. The 42 75 L.Ed. what was left of the Corporation Interstate 107], believe to the or for the supra, v. refiners and S.Ct. patent monopoly over the patentee. covered conditions are thus not used 59 S.Ct. under 288, and financial returns of stimulating clearly article, would clearly jobbers than for development of that a indirectly 363, no more be [283 development Sanitary [226 of its this language finally 82 819]; development marketing Circuit, Co., supra, exploitation 367, [467] U.S. United Shoe Its v. accrue U.S. U.S. the claim. supra, monopoly 66 L.Ed. Leitch Manufactur proper 27, American Patents at exploitation Co., Cir., 20, exploitation appellant, not embraced 371]; enlarged licensed, Inc., Paper Bag [208] 31, primarily forbid the commercial pages can of the business of the treated one consistent other business [258 33 [302 Co. United the article or 51 nor for the function is 708]; neither be S.Ct. Machinery promotion This con- American v. at U.S. U.S. another, The li but one for only in 105 F. pages over- 9, case. fluid as a Car pat pat 334, 458, 451, ap- the de in 57 (Constitution, 8), useful 60 S.Ct. arts’ art. object purpose authoritatively —an and expressed page 459, Ibid., Story, at in that decision, saying: page “ great object [of Patents v. Uni ‘While one Motion Picture our Co. Mfg. Co., 1917, was, holding laws] Film en' out a reason- versal giving 502, 510-511, able reward L. inventors them right L.R.A.1916E, Ann.Cas. exclusive for their inventions Ed. period, 1918A, a limited to stimulate 959: the efforts mail, Dialogue, object genius, pro- v. Since Pennock “to “3d. progress was decided in mote the 7 L.Ed. science and useful Pet. ’ consistently held that arts.” court has -tbis years “Thirty court, of our primary laws is later return- private subject, Kendall fortunes for Win- the creation .not pro patents, sor, 165, again ‘to 21 How. but 16 L.Ed. owners 'the significantly says: pointedly progress of science mote granted, (perhaps Patent Office account of the if on his here to use plicant Paper Bag decision) its absence patent on the but enlarge the justify ignoring secure does exploit and and to complete machine which, case, is as in this in connection carried on the business clear on face of the record. patent. It should be noted that this decision patent claim follows deprive appellant does not a reward for appears that granted where not be ingenuity mechanism devising the manu expects use it set out the subcombination claims. All pat protect another sale but to facture deprive pat it does is to him of a distinct shows record ent claim. right ent standing that subcombination pur the unlawful patent claim made by itself. The same subcombination mech patent it is an protecting pose of anism set out the claims com mean that does not unlawful plete machine which have been allowed. production of applicant guarantee These claims which have been allowed on by the claim. process covered the article or complete obviously machine are not in utility com impossible guess distinct from each other ventions but dif any patent, and non-use success of mercial ways single ferent of describing the inven positive illegal use.11 standing alone is not a complete They, tion' machine.12 must have mean that It does *5 therefore, patent rights establish no distinct expectation exploiting his of some but instead outline the purposes using it for can, than if he rather principal invention. Ethyl case. hold To condemned Patent Of suggest is to otherwise It is obvious that the more distinct opportunity il for future fice furnish the rights get parts ent an inventor can on the of trade. legal restraints power of a machine the more he handicap ingenuity the inventive of best the issuance patents use these in fencing would be to who same more or of ways. question original many the real how to set out require distinctly patentable parts there in which the claim was made. are purpose for a whole can require of in- would evidence never be determined rule Such a certainty any through process stimulate the commercial de- tention velopment analysis. seems, therefore, par- logic or and financial returns of claim, safe, practical test to limit the and number invention covered ticular rights single in a showing that its was distinct machine negative expects protect some other or which the inventor claim. to those exploit separately, not to inquiry suppress. and present no such made not is At ited inventors exclusive monopoly.’ in statement efit to object declaring patents 15 How. shall Grant ting Patents, “ 11 As “Simple “This every grant ‘It and in dissenting Cir., 376, 384; in the Circuit and court temporary monopoly granted to profit undeniably fairly, Raymond, that, nonuse is one and 185.” public granting Co. v. Eastern said and doubtless the relative never private has never modified 14 L.Ed. opinion 150 F. even by Judge Aldrich, Winans v. advantage; Court of 6 Pet. community and true, designed liberally, interests construction laws, in Continental thing. securing importance 717; Walker, 745: Appeals, Paper Bag even while Denmead, inventors the lim- involved primary treated. Stand- large their ben- sit pose which the spirit an attitude which natural many plainable explanation, quiring, holding, several upon in the conscience However, claimed theory quite tinct often rights. produce part Rule alone, withholding each other inventions reasons and intention do not distinct channels —a abnormally in one 41 of the in nonuse legal the different claims are dis- recognize are follows: thing.” single large for nonuse inventions are and nonuse are injunction. create right cogent, is no application: equity, offends hypothesis force hypothesis number Patent Office reads result pure mutually “ * * * distinct efficient the law trade but when founded —it public policy, fiction. they may. which, of cases the such claims There contribute of a dependent involving into un- reason where upon very pur- are ex- ac- ” granted manpower, rights time, working Distinct saving space, handicapping equip- for the sole future primitive and of the more formerly not ment inventors whose discoveries would used. makes The record complete infringe apparent these beyond question. otherwise facts But the suggestion of the Patent Office—ex- opin- fully agree concurring I with the pressed opinion Ap- of its Board ion of Mr. which states Miller Justice ** * peals the claims as drawn —“that slightly different em- with a contemplated by cover constructions never phasis. applicant” opens up whether judgment For these reasons the claims, these filed the in- were court below will be assignee years ventor’s seven orig- after the Affirmed. application, inal actually were intended to they describe an or whether MILLER, (concur- Associate Justice intended, were improperly, to fence and ring). block an research, area investigation solely invention, by sup- the main fully I concur ARNOLD’S in pressing use, discovery further opinion. implications far-reaching. Its area. require They will a considerable reexamina- readjustment Office tion—if Patent here, Where, as such subcombination —of practices procedures, especially with by assignees, filed who manu- respect claims. For to subcombination per- facturers and distributors rather than spell greater Office, out in these I wish to reasons art, sons skilled Patent my analysis questions involved. detail put probability sug- on notice fact, gested. appellant As a matter of free- typical have sub- In the case we admitted, ly argument both on There is lack of combination claims. present case, purpose- brief in the that its them; clarity speci- they completeness or “pro- disputed filing claims was to point in- fically is claimed as an out what *6 tect” main and that it had no- and it not be difficult to con- would vention struct ings. manufacturing intention of the subcombin- from draw- subcombination This brings ation machine. us then to the of the opera- bobbing The notion that the first, whether questions, patent place pear after the has cannot take tion accomplished will be clause ignores the split hand canning texture and been character of granting a cover such pears. sugges- and, second, whether can com- an inoperative the subcombination is tion that pel the issuance of under circum- pear pre-split hand is di- when the purpose contrary- stances which reveal a evidence, particular- contrary rectly the Constitution. to that of ly incontrovertible evidence of the displayed provision1 picture to this The constitutional motion involves- well trial conflicting first,. to the court. two considerations: The court Progress thought promote must the inventor have “To of Science and: notion ** ; second, splitting as an in terms intermediate useful Arts “secur- pear ignores long history of Times

process, limited to Authors and In- * * *” inescap- process, Right canning as hand ventors the exclusive to- Consistently, experimenting judicial fact one who their inventions. terpretation in- able provision variety tried a area must have this declared in arrangements promotion major until he found the one be the most purpose. the useful arts.2 adapted to his Considered in science and Some of the however, pear cases, practices placed canning in the older considerable terms of the alone, and, earlier machine, rights standing emphasis upon inventor, subcombination advance, expense major represented tremendous constitutional’ example operation, great purpose.3 The most extreme would result in in 8, I, 250, 1 1088, 241, 1408; Art. 62 86 L.Ed. Cl. 8. U.S.Const. Suppiger Co., 2 Patents Co. Salt Co. v. G. Motion Picture v. Uni Morton S. 488, 492, 402, Co., 502, 510, 62 Film 243 U.S. 314 86 L. U.S. versal 363; Ed. Mercoid v. 61 L.R.A. Mid-Continent Co., Ann.Cas.1918A, 959; 1917E, 320 U.S. Investment S. Smith, App.D.C. 111, 114; v. Ct. 268. Warner Woodbridge v. States American Bell Tel. United U.S. Co., 159; 17 S.Ct. 44 S.Ct. argue- Inc., 42 L.Ed. seem to v. Univis Lens 144: “Counsel States patentee’s monopoly the the in terms nonu in comparative emphasis appears by ser,6 case,4 suppression. than of rather decided Button-Fastener composed appeals a Taft, circuit has, applicable the be statute from “Especially and Hammond: Lurton spoken “making, con ginning, terms of sitwe applicable this caution when is judgment structing, using, vending.”7 Here was which a upon the limitations control, interposition governmental an inven- may put upon of his entee the use Constitution, pursuant over area an him- fit, he reserve to may tion. he see formerly property rights regulated self the exclusive use of his invention persua law. A principles of the common discovery. his de- If he will neither use water analogy may be found sive it, vice, permit nor others to he has but States; permits of the Western law supplied] suppressed his own.” [Italics secure, by prior ap land to owner case the But in the Button-Fastener even running water— propriation, rights recognized weight of counter- Court the erstwhile against the Government or consideration; although vailing it refused rights riparian those limits owner—but patentee’s mon- limit on opoly. account to continuing, beneficial use. his terms of grant said: “That the made opinion, the pointed majority out in As upon expectation the reasonable that he Court, Picture Pat Supreme in the Motion put practical either invention to will use, his rejected case, the extreme doctrine ents permit themselves of avail case, doing and in the Button-Fastener terms, upon reasonable is doubtless true. reasoning stated that defect expectation alone based part sprang in from sub the latter patentee’s supposition that the interest will argument “inference stituting use, use, induce rejected him to or let others his language of the statute.” public may invention. The has retained no “since the argument security expecta- altogether such from other to enforce withhold necessarily be Supreme use, logically tions.”5 In the proposition Court he cases the impose any pushed conditions permitted never so far. That any use which he al- chooses Court was content to define limits of he v. Doyal, one who has made thereupon applies posi occupies, were, therefor, Button-Fastener Heaton-Peninsular as it Specialty Co., quasi public; Cir., Co. trustee for Eureka *7 728. F. 35 L.R.A. sort moral ob that he is under a of acquires ligation public Ibid. see that to the Paper Bag right free of that inven Continental East- the to the use Co., conveniently Bag Paper possible. ern soon as is tion as entirely thought 748, 756, L.Ed. 1122: from the We dissent urged. that “We have seen it inventor one who has been the thus is judgment Congress begin- something of from the of value. has discovered ning may property. that the sciences and with the useful He is absolute his by giving pub knowledge arts be best advanced an could of it from the hold the right may lic, exclusive to an inventor. the ad insist all he and qualification against vantages ever made was the which statute and benefits * * * aliens, the promises act of 1832. It is to the who discloses to him manifest, Paper as is said in Pat- Walker on public invention.” Continental his Congress ents, Bag Co., that has ‘over- not v. Eastern Co. subject pat- 748, 756, the of 405, 429, looked nonuser of 52 L. may suggestion inventions.’ And another ented fact the to Ed. 1122: “As foreign be mentioned. In some countries competitors from use excluded the were granted right to patent, the an af- is such inventor we answer that new of the by policy, may nonuse. This fected we said have been of be to exclusion Congress ignorant assume, right has been not very of conferred the essence the has, privilege its effects. of nor of neverthe- it is the the policy; less, property another not selected has con- any use or to owner through many years. policy motive.” it, without tinued use experience may supplied] has assume & We Crown Die Tool Co. [Italics Works, wisdom beneficial Nye 261 U. demonstrated & Machine Tool the arts and sciences.” See effect 67 L.Ed. 516. S. supra. Drug in note 3 Rec cited Co. v. Theodore cases See United U.S.C.A. § 7 1 S.Ct Stat. tanus 141. Cf. Fox Film Sanitary Con- major purpose sistent with the of the Standard it.”8 In the low case,9 policy. said: public the Court stitution with Manufacturing the Co. held, assume, we Supreme are indeed as the by patents Court “Rights conferred extensive, (1) patent monopoly inven- they do not but one very definite and exploita- univer- may an be rights enlarged not any more than other give prohibitions. monopoly patent; tion of the positive license sal (2) public rights, policy forbids the use of limitation The Sherman law is a ent may monopoly evil conse- to secure a which it is con- pushed to rights trary public policy (3) to grant; restrained.” The to quences, and therefore particular more form or Ethyl is method which the language of the even monopoly sought extended is im- far-reaching.10 to material; assume, further, and if we Generally speaking, purpose applicant and intent of the acquire monopoly some other enlarge a subcombination claim is violate each to patent together which the statute and first assumptions, why three should give.11 policy did not forbids the Public granted for the subcombina- right exclusive use to an secure ? tion claim In why such a situation monopoly granted limited necessary it be applicant to license an contrary Office which it Patent law, violate the subject him to public policy grant.12 The limits of yiolate prosecution when, later, he does it? strictly narrowly confined logical result, therefore, precise grant. It is to the terms of the Supreme later is dominant in Court cases is public interest which to forbid the case,14 granting'of a system.13 purpose where the the Univis clearly general suppress Supreme Court stated revealed to manufacture or construing and applying “In in order extend as follows: monopoly give law effect to or in so as to order to any objective achieve other policy granted limits mon- violative of the public policy. law and strictly opoly of the Whether statutory to the terms particular requires, Office, pro result the Patent grant, form compel sought cedure to an showing method affirmative purpose by applicant, each sup- extended immaterial.” it is to be not neces [Italics sary to determine present plied] case. Here, the chronology of the case in the reasoning equally seem to be would suggests, Patent Office and the admission to the of the applicable situation appellant confirms, contrary infringement case or to case as to ute, Constitution and stat proceeding. The same antitrust considera- respect disputed to the subcom public policy present; tions bination claims. major purpose the Constitution and stat- flows, This result fact, also, pointed involved. In preliminary ute inquiry majority opinion, logic Office would seem Patent from out forbidding patenting appropriate of all of cases of broad the most occasion *8 be misleading many claims. The investigate and determine whether in- and use of invention, applicant purpose to describe an con- claims and of sub- tent and States, 57 patented other States, L.R.A.1917E, versal cense 516, 8 11 Ethyl 10Ethyl 9 L.Ed. Motion Picture Patents Co. virtue' of Standard Film devices, processes 226 309 U.S. 107 device or 84 L.Ed. 852: as to tie Gasoline Gasoline Mfg. U.S. Sanitary 1187, 852. . 416, 420, 61 L.Ed. patent, Co., Ann.Cas.1918A, process 243 U.S. 459, 60 Corp. the use condition his li 33 “He or materials Co. v. United S.Ct v. S.Ct. 502, may v. Uni use of of the United 514- 871, 959. not, 15, Inc., chaser vestment the licensee monopoly tenance Co., which patent Morton Salt Mercoid license so as 314 U.S. 363. lie licensed; of resale Co., outside *** States Corp. patented 241, 251, 252, embraced in the of the Co. v. G. S. ; v. v. Mid-Continent prices by or control conduct Univis Lens 661, 665, article.” upon or S.Ct. the main condition Suppiger of the pur In- required initia- should not to await the pur be what to describe claims combination infringement or antitrust of an suit main port to be prosecution. avoiding the expedient for merely an be mislead broad and too prohibition in both claims; EDGERTON concurs unpatentable, i.e., include opinions. undiscovered, foregoing or devices hedge in or exped such methods. When apparent probable, then ient seems rules, broad governing too those applied. claims, misleading should rules, to be application those But effective, ag upon whole must made claims, each gregation et al. PORETSKY WOLPE et al. proceedings separately. as true This is No. 8546. in the proceedings under Section 4915 appears Appeals reason for this Office. The Patent Court of United States the sub- clearly case. Here Columbia. District alone, claims, standing describe combination Argued 10, 1944. March . But, machine when that machine useful by the compared the one revealed 19, 1944. Decided June claims, utility is les its main 20, 1944. Denied Nov. of Certiorari Writ least; sened, say subcom and the suspect. ad Frank claims See S.Ct. 190. bination become suppress the sub- mission of intention to protecting purpose combination completes picture. the main invention In this case the subcombination by the inventor but were not filed claims assignee seeking enlarge Particularly in purchased invention. be alert cases the such Patent Office should inquire inspires purpose into the require filing such prima showing reason at least a facie expectation device, process able therein, permitted described will used or

to be used. Finally, public policy is re- the same flected rule invalidates a ent if the claim which it is based than for more invented. case, “The the Marconi the Court said: .the invalid rule that a entirety any part if it be invalid is the from the threat an invalid statute is enable the disclaimer patentee to himself from the con- relieve *9 making claim if sequences an invalid he is able to both invalid show and that dis- was inadvertent claimer made without unreasonable neglect delay.”15 pub- threat to lic, invalid en- not be by a couraged inquiry too casual at its in- ception. Telegraph Marconi Wireless

87 L.Ed. 1731.

Case Details

Case Name: Special Equipment Co. v. Coe
Court Name: Court of Appeals for the D.C. Circuit
Date Published: Nov 6, 1944
Citation: 144 F.2d 497
Docket Number: 8466
Court Abbreviation: D.C. Cir.
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