( September 2, 2025, 2:43 PM EDT) -- WASHINGTON, D.C. — A panel in the Federal Circuit U.S. Court of Appeals held on Aug. 29 that a District of Columbia federal judge did not err in finding that a prolific patent applicant’s applications were barred under the doctrine of prosecution laches, rejecting as forfeited the inventor’s argument that a 1992 decision by the Board of Patent Appeals and Inferences showed he had no reason to change his method of prosecuting the applications....