Mealey's (April 25, 2019, 2:06 PM EDT) -- WASHINGTON, D.C. — In an April 22 appellee brief filed with the Federal Circuit U.S. Court of Appeals, the director of the U.S. Patent and Trademark Office (PTO) maintains that an application to patent a method for providing recommendations over the Internet recites patent-ineligible subject matter (In re: Greenstein, No. 19-1382, Fed. Cir.)....