Mealey's (December 19, 2019, 2:25 PM EST) -- WASHINGTON, D.C. — The Patent Trial and Appeal Board’s determination that eight claims of a video game system patent would have been obvious to a person of skill in the art is supported by substantial evidence, the Federal Circuit U.S. Court of Appeals ruled Dec. 17 (CG Technology Development LLC v. Fanduel Inc., et al., No. 19-1261, Fed. Cir., 2019 U.S. App. LEXIS 37223)....