Mealey's (July 1, 2020, 2:19 PM EDT) -- WASHINGTON, D.C. — The Patent Trial and Appeal Board erred when it determined that an inter partes review (IPR) petitioner established by a preponderance of the evidence that five claims of a valve assembly patent are anticipated by a German patent application, a cross-appellant told the Federal Circuit U.S. Court of Appeals June 15 (Power-Packer North America Inc., d/b/a Gits Manufacturing Co. v. G.W. Lisk Co. Inc., Nos. 2020-1250, -1323, Fed. Cir.)....