( May 15, 2026, 10:11 AM EDT) -- WASHINGTON, D.C. — A Federal Circuit U.S. Court of Appeals panel affirmed a U.S. Patent Trial and Appeal Board (PTAB) finding that patent claims describing universal remote-control systems were unpatentable as obvious in inter partes review (IPR) proceedings initiated by Roku Inc. against a rival it has met on appeal at the Federal Circuit in recent months....