Mealey's (July 19, 2021, 12:27 PM EDT) -- WASHINGTON, D.C. — In a July 19 summary disposition, the Federal Circuit U.S. Court of Appeals left intact an Illinois federal judge’s ruling that a dispute over two patents disclosing a device designed to secure portable electronic devices is barred by collateral estoppel in view of the invalidation by the Patent Trial and Appeal Board of two related patents owned by a plaintiff....