Mealey's (June 18, 2020, 1:01 PM EDT) -- WASHINGTON, D.C. — In a June 17 ruling, the Federal Circuit U.S. Court of Appeals found that the Patent Trial and Appeal Board erred when it determined that a crude oil transport patent is obvious without considering the patent owner’s evidence of secondary considerations of nonobviousness (LiquidPower Specialty Products Inc. v. Baker Hughes, No. 19-1838, Fed. Cir., 2020 U.S. App. LEXIS 19016)....