Mealey's (July 1, 2020, 12:22 PM EDT) -- WASHINGTON, D.C. — Without reaching the question of whether the Patent Trial and Appeal Board erred in allowing an expert to rely on nonpublic documents to support his opinion of unpatentability, the Federal Circuit U.S. Court of Appeals on June 26 upheld the board’s cancellation of various claims of two aircraft lavatory-related patents (B/E Aerospace Inc. v. C&D Zodiac Inc., Nos. 2019-1935, Fed. Cir., 2020 U.S. App. LEXIS 19886)....