Mealey's (April 15, 2019, 11:35 AM EDT) -- WASHINGTON, D.C. — In an April 11 decision, the Federal Circuit U.S. Court of Appeals reversed findings by the U.S. Patent and Trademark Office (PTO)’s Patent Trial and Appeal Board (PTAB) that a patent owner had not established that an inventor acted diligently to reduce his invention to practice (ATI Technologies ULC v. Andrei Iancu, Nos. 2016-2222, -2406, -2608, Fed. Cir., 2019 U.S. App. LEXIS 10704)....