( June 19, 2025, 11:33 AM EDT) -- WASHINGTON, D.C. — A Federal Circuit U.S. Court of Appeals panel affirmed a finding from the U.S. Patent Trial and Appeal Board (PTAB) that invalidated all claims in a patent held by Xerox Corp., agreeing with PTAB that Xerox failed to show that the board incorrectly construed a claim term involving the navigation of web pages....