Mealey's (March 1, 2018, 3:56 PM EST) -- WASHINGTON, D.C. — In a Feb. 5 intervenor brief, Joseph A. Matal — performing the functions and duties of director, U.S. Patent and Trademark Office — told the Federal Circuit U.S. Court of Appeals that the Patent Trial and Appeal Board did not err in rendering nine claims of a power control patent obvious under Section 103 of the Patent Act (LG Electronics Inc. v. Joseph A. Matal, No. 17-1765, Fed. Cir.)....