Mealey's (November 10, 2022, 12:52 PM EST) -- WASHINGTON, D.C. — Although vacating and remanding findings by the Patent Trial and Appeal Board that a petitioner for inter partes review failed to establish obviousness of one claim of a patented recessed lighting system, the Federal Circuit U.S. Court of Appeals on Nov. 10 upheld the board in all other respects, including its determination that the remaining challenged claims were not proven unpatentable....