( October 2, 2026, 11:53 AM EDT) -- WASHINGTON, D.C. — In a pair of Oct. 1 opinions, a Federal Circuit U.S. Court of Appeals panel affirmed a Delaware federal judge’s finding that a technology company’s patent claims asserted against Samsung Electronics Co. Ltd. and its American affiliate were invalid, agreeing with Samsung’s alternative argument that the claims were improperly enabled while disagreeing with the judge’s finding that the claims were indefinite; the panel also dismissed as moot the plaintiff-appellant’s separate challenge to findings from the U.S. Patent Trial and Appeal Board (PTAB) that one of the claims was unpatentable as obvious....