Mealey's (June 13, 2018, 7:17 AM EDT) -- WASHINGTON, D.C. — An inter partes review (IPR) petitioner is disputing a decision by the Patent Trial and Appeal Board to allow substitute claims based on unexpected results, according to a recently filed brief before the Federal Circuit U.S. Court of Appeals (Valeo North America, Inc. and Valeo Embrayages v. Schaeffler Technologies AG & CO KG, Nos. 2018-1196, -1228, Fed. Cir.)....