Breaking Down the Latest Decision in the Purdue Pharma Case
In Purdue Pharma L.P. v. Collegium Pharmaceutical, Inc. 2022-1482 (Fed. Cir. Nov. 21, 2023), the case addresses the Patent Trial and Appeal Board’s (“PTAB’s”) authority to issue a Final Written Decision in a post grant review...more
Recently, in Purdue Pharma L.P. v. Collegium Pharmaceutical, Inc., the Federal Circuit held for the first time that the Patent Trial and Appeal Board (“the Board”) has the authority to issue a Final Written Decision even...more
Federal Circuit Orders District Court to Consider Extrinsic Evidence in Claim Construction - In Actelion Pharmaceuticals Ltd. v. Mylan Pharmaceuticals Inc., Appeal No. 22-1889, the Federal Circuit held that where a...more
Precedential and Key Federal Circuit Opinions - 1. PURDUE PHARMA LP v. COLLEGIUM PHARMACEUTICAL, INC. [OPINION] (2022-1482, 11/21/2023) (Dyk, Hughes, and Stoll) - Dyk, J. The Court affirmed the Patent Trial and...more
As previously reported, Amgen sought leave to appeal a decision of the Federal Court of Appeal (2020 FCA 188) affirming Justice Southcott’s decision that the relevant claims of its filgrastim (NEUPOGEN) patent were invalid...more