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
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