New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
Are Your Granted Patents in Danger of a Post-Grant Double Patenting Challenge?
Filing a continuation application from a parent patent is an implicit admission that obviousness-type double patenting (ODP) applies to the resulting continuation patent. A Terminal Disclaimer in the continuation patent over...more
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board obviousness-type double patenting rejection, finding that an unexpected mechanism of action does not render the known use of a known...more
Precedential and Key Federal Circuit Opinions - VOLVO PENTA v. BRUNSWICK CORP. [OPINION] (2022-1765, 8/24/2023) (Moore, Lourie, and Cunningham) - Moore, Chief J. The Court vacated and remanded the Patent Trial and...more
The Federal Circuit recently in In re Cellect, invalidated a series of patents based on obviousness-type double-patenting (ODP), finding that term-adjusted patents (PTA) in the same family are invalid under ODP in the absence...more
We write to advise you on an issue currently before the Federal Circuit in a case of first impression, namely whether a later-filed, earlier-expiring patent can be used as a reference for obvious-type double patenting (OTDP)...more
On March 22, 2021, the US District Court for the District of New Jersey found a patent’s claims not invalid under the doctrine of obviousness-type double patenting (OTDP) in view of a reference patent from the same patent...more
Obviousness-type double patenting (“OTDP”) arises when two or more patents or applications include claims that, while not being identical, are not patentably distinct from each other. In the U.S., OTDP rejections can be...more
In a terse, non-precedential opinion, the Federal Circuit affirmed a district court's judgment that Defendants Torrent Pharmaceuticals and Indoco Remedies Ltd. had failed to prove that the claims asserted by...more
Double patenting has become a common challenge to patent validity in Canada since the decision rendered by the Supreme Court of Canada in Whirlpool Corp. v Camco Inc in 2000. The Canadian double patenting doctrine is similar...more
Federal Circuit Summary - Before Moore, Chen, and Hughes. Appeal from the United States District Court for the District of Delaware. Summary: Obviousness-type double patenting does not invalidate an otherwise validly...more
The Federal Circuit recently decided two appeals, Novartis AG v. Ezra Ventures LLC (“Ezra”) and Novartis Pharms. Corp. v. Breckenridge Pharm. Inc. (“Breckenridge”) that both relate to the effect of obviousness-type double...more