Dale E. Oney appeals from the final judgment pursuant to Fed.R.Civ.P. 54(b) of the United States District Court for the Eastern District of Michigan in Oney v. Ratliff, No. 95-CV-73410. The district court granted summary judgment in favor of Darrell Ratliff and Jungle Rags, Inc. (Apr. 27, 1997) and denied Mr. Oney’s motion to revise its summary judgment order (Aug. 26, 1998). The district court held that the patent issued to Mr. Oney and entitled “Novelty Shirt” was invalid as anticipated, see 35 U.S.C. § 102(a) & (g), and denied Mr. Oney’s request on reconsideration to declare the patent valid. We reverse and remand.
BACKGROUND
Mr. Oney filed an application for a Canadian patent on September 22, 1989. On April 23, 1990, he filed an application for a United States patent claiming priority from the Canadian patent application. The patented novelty shirt has a freely-hanging flap attached to the upper part of the shirt. A design (or information) on the outside of the flap, together with a design on the shirt above the flap form a first picture. Designs beneath the flap on the shirt and underside of the flap form a second picture. The United States application issued as U.S. Patent No. 4,999,848 on March 19,1991.
On August 23, 1995, Mr. Oney filed this infringement suit based upon T-shirts, designed by Mr. Ratliff, that have a cartoon picture of an animal with a free flap forming the animal’s mouth. The flap can be raised and lowered to simulate the, animal opening and closing its mouth. The animal with the closed mouth is a first picture and the animal with an open mouth, including the underside of the flap, forms the second picture that is a sequel to the first picture. For ease of description, we refer to these shirts as “animal flap T-shirts.”
On March 17, 1997, Mr. Ratliff moved for summary judgment contending that the patent was invalid because he invented and sold his animal flap T-shirts prior to Mr. Oney’s priority date of September 22, 1989. In granting summary judgment, the district court relied upon affidavits from Mr. Ratliffs sample maker (Eva Manning) and silkscreen printer (Michael Bertini) that they had fabricated Mr. Ratliffs animal flap T-shirts based upon his designs in spring and summer of 1989. The court also relied upon affidavits from two California retailers (Yvonne Mithrush and Dale Reza) stating they had purchased animal flap T-shirts from Mr. Ratliff during the summer of 1989. The retailers based their recollections largely upon Mr. Ratliffs summary sales records. Mr. Ratliff also provided copies of sales ledgers purporting to confirm sales of the animal flap T-shirts prior to September 1989.
Subsequently, after Mr. Ratliffs tardy compliance with an order to compel, Mr. Oney obtained the source documents (invoices) underlying Mr. Ratliffs informa
DISCUSSION
Our review of a district court’s grant of summary judgment is de novo. See General Elec. Co. v. Nintendo Co., Ltd.,
A patent is presumed valid. See 35 U.S.C. § 282. Notwithstanding, a patent is invalid if the claimed invention was “known or used by others in this country ... before the invention thereof by the applicant for patent,” id. § 102(a), or “was made in this country by another who had not abandoned, suppressed or concealed it” prior to the applicant’s invention, id. § 102(g). One who challenges a patent’s validity must prove invalidity by clear and convincing evidence. See Finnigan Corp. v. International Trade Com’n,
Mr. Ratliff has the burden of persuasion in demonstrating invalidity. See Zenith Elec. Corp. v. Exec, Inc., 51 USPQ2d 1337, 1345 (Fed.Cir.1999). Although anticipation is a question of fact, it still may be decided on summary judgment if the record reveals no genuine dispute of material fact. See General Elec. Co.,
Mr. Ratliffs declarations indicate that the animal flap T-shirts were invented in the spring of 1989 and sold beginning in June 1989. Plainly, both of these critical facts are controverted, despite Mr. Ratliffs varying explanations. Cf. Cleveland v. Policy Mgmt. Sys. Corp., — U.S. -, -,
Mr. Oney did not depose Mr. Ratliff or his declarants. He was not required to, although, as we discuss below, depositions might have assisted him. He was required to designate specific facts tending to show a genuine issue of material fact and support those facts with evidence other than the pleadings. See Celotex,
Although we reject the district court’s conclusion that Mr. Oney failed to produce significantly probative countervailing evidence concerning the date of Mr. Ratliffs invention, we cannot conclude at this point that Mr. Oney must prevail for want of corroboration. The district court declined to apply the Woodland Trust factors
Mr. Oney argues that he is entitled to a declaration that the patent is valid on the grounds that the only evidence supporting the 1989 dates is the oral testimony of Mr. Ratliff, two close relatives (Manning and Bertini) and a longtime friend (Mithrush). Mr. Oney did not depose these declarants and his only support for the characterization of these relationships is merely responsive argument made by opposing counsel. Given the oral and documentary evidence in the case, this does not constitute “significantly probative” evidence that would allow us to apply the Woodland Trust factors based upon the totality of the circumstances, see Finnigan Corp.,
REVERSED and REMANDED.
Notes
. The factors are compiled from In re Reuter,
