Mealey's (May 1, 2018, 7:31 AM EDT) -- WASHINGTON, D.C. — Two inventors maintain in an appeal to the Federal Circuit U.S. Court of Appeals that the Patent Trial and Appeal Board erred in determining that their invention qualifies as a covered business method (CBM) patent (Nader Ashghari-Kamrani, et al., v. United Services Automobile Association, No. 18-1040, Fed. Cir.)....