Navigating Patent Law: The Rising Significance of Extrinsic Evidence
In an intriguing turn of events, the US Court of Appeals for the Federal Circuit made a decision that has unnerved parts of the legal world. The Court deduced in Actelion Pharms. Ltd v. Mylan Pharms. Inc., Case No. 22-1889 (Fed. Cir. Nov. 6, 2023) that the constraint of “a pH of 13 or higher”…