Mealey's (July 9, 2020, 2:38 PM EDT) -- WASHINGTON, D.C. — The Federal Circuit U.S. Court of Appeals on July 8 upheld findings by a patent examiner, and later the Patent Trial and Appeal Board, that a claimed method of achieving weight loss by using hunger as a feedback mechanism recites patent-ineligible subject matter (In re: Zunshine, No. 20-1254, Fed. Cir., 2020 U.S. App. LEXIS 21201)....