Mealey's (November 11, 2019, 12:44 PM EST) -- WASHINGTON, D.C. — In a Nov. 6 reply brief, a patent owner criticizes as legally erroneous findings by the Patent Trial and Appeal Board (PTAB) that an expert can rely upon nonpublic documents describing purported prior art to support an opinion of unpatentability (B/E Aerospace Inc. v. C&D Zodiac Inc., Nos. 2019-1935, -1936, Fed. Cir.)....