(May 1, 2018, 8:11 AM EDT) -- WASHINGTON, D.C. — In its April 30 orders list, the U.S. Supreme Court turned away challenges of various affirmances by the Federal Circuit U.S. Court of Appeals of inter partes reviews (IPRs) by the Patent Trial and Appeal Board, in view of its decision on April 24 in Oil States Energy Services LLC v. Greene’s Energy Group LLC, No. 16-712, (U.S. Sup.), which confirmed the constitutionality of the IPR procedure....