On June 21, 2021, the Federal Circuit denied Amgen’s petition for en banc review of the court’s February 2021 decision in Amgen Inc. et al. v. Sanofi, Aventisub LLC, et al., 987 F.3d 1080 (Fed. Cir. 2021), which found that Amgen’s two patents covering the cholesterol-lowering antibody drug Repatha® are invalid for lack of
Repatha®
A Heightened Bar: Federal Circuit Leaves Functional Antibody Claims on Thin Ice
In a precedential opinion in Amgen Inc. et al. v. Sanofi, Aventisub LLC, et al., No. 20-1074 (Fed. Cir. 2021) issued on February 11, 2021, the Federal Circuit affirmed the decision of the United States District Court for the District of Delaware granting JMOL that Amgen’s Repatha® patents (U.S. Patent Nos. 8,829,165 and 8,859,741)…
Amgen Faces “Uphill Battle” in Defending Antibody Genus Patentability
On December 9, 2020, the Federal Circuit heard oral arguments on the validity of Amgen’s patents (U.S. Patent Nos. 8,829,165 and 8,859,741) on cholesterol-lowering drug Repatha. Specifically, the question came down to whether the patents, claiming a genus of antibodies by their functional properties, are enabled under 35 U.S.C § 112. The panel consisted of…
Jury Finds Amgen Antibody Patents Not Invalid
Over four years ago, in October 2014, Amgen initiated a patent infringement suit against Sanofi and Regeneron regarding biologics for treatment of high cholesterol.[1] The case reached an important milestone recently as a jury entered a verdict largely upholding the validity of Amgen’s asserted patents, to the disappointment of Sanofi and Regeneron. A similar…