Mealey's (April 8, 2020, 9:35 AM EDT) -- WASHINGTON, D.C. — In an April 7 holding, the Federal Circuit U.S. Court of Appeals vacated and remanded to the U.S. Patent and Trademark Office (PTO)’s Patent Trial and Appeal Board its determination that claims 1-6, 9, 10, 12-39, 41-47, 49-58 and 63-70 of a hearing aid patent are obvious (In re: Anova Hearing Labs Inc., No. 19-1507, Fed. Cir.)....