( April 24, 2025, 1:31 PM EDT) -- WASHINGTON, D.C. — The U.S. Patent Trial and Appeal Board (PTAB) committed multiple errors when it held that the first claim of a video game controller patent was not invalid as obvious, a partially split panel in the Federal Circuit U.S. Court of Appeals said on April 23; the panel said that PTAB ignored the Federal Circuit’s previous finding that the same claim was unpatentable in an earlier appeal....