Mealey's (May 7, 2020, 12:48 PM EDT) -- ALEXANDRIA. Va. — In a May 6 filing with the Patent Trial and Appeal Board, Apple Inc. maintains that the “main argument” advanced by a patent owner on remand from the Federal Circuit U.S. Court of Appeals — that a person of skill in the art would not have considered two prior art references together — is barred because the finding was already rejected by the board and not presented on appeal (Apple Inc. v. Andrea Electronics Corporation, No. IPR2017-00626, PTAB)....