(August 21, 2018, 11:44 AM EDT) -- WASHINGTON, D.C. — A challenge by Power Integrations Inc. (PI) to decisions by the Patent Trial and Appeal Board that denied institution of inter partes review (IPR) of various integrated circuit patents was turned away by the Federal Circuit U.S. Court of Appeals on Aug. 16 pursuant to Section 314(d) of the America Invents Act (Power Integrations Inc. v. Semiconductor Components Industries LLC, No. 18-144, Fed. Cir.)....