( December 8, 2025, 12:01 PM EST) -- WASHINGTON, D.C. — A Federal Circuit U.S. Court of Appeals panel largely affirmed the U.S. Patent Trial and Appeal Board’s (PTAB) findings of unpatentability of some computer file organization patent claims and patentability of other claims all challenged by Apple Inc.; however, the panel found in its Dec. 5 nonprecedential opinion that PTAB abused its discretion in finding that one of Apple’s petitions was not adequately explained....