Mealey's (February 7, 2018, 2:13 PM EST) -- WASHINGTON, D.C. — A final written decision by the Patent Trial and Appeal Board that various claims of a motion-tracking patent would not have been obvious to a person of skill in the art was not erroneous, the Federal Circuit U.S. Court of Appeals ruled Feb. 6 (Elbit Systems of America LLC v. Thales Visionix Inc., No. 17-1355, Fed. Cir., 2018 U.S. App. LEXIS 2892)....