Mealey's (October 19, 2018, 11:27 AM EDT) -- WASHINGTON, D.C. — In an Oct. 18 ruling, the Federal Circuit U.S. Court of Appeals found that the Patent Trial and Appeal Board erred in failing to weigh a patent owner’s objective evidence of nonobviousness (LiquidPower Specialty Products Inc. v. Baker Hughes, A GE Company LLC, No. 18-1141, Fed. Cir., 2018 U.S. App. LEXIS 29240)....