( December 5, 2024, 1:36 PM EST) -- WASHINGTON, D.C. — A Federal Circuit U.S. Court of Appeals panel on Dec. 4 said the Patent Trial and Appeal Board (PTAB) was correct to hold that many of claims in a series of patents owned by a biopharmaceutical company related to the process of separating components from a mixture are unpatentable as obvious, but the panel reversed the PTAB’s findings that some of the claims were not unpatentable....