(May 22, 2017, 10:26 AM EDT) -- WASHINGTON, D.C. — A divided June 2016 ruling by the Federal Circuit U.S. Court of Appeals that the Patent Trial and Appeal Board need not address in a final written decision the patentability of all claims identified in a petition for inter partes review (IPR) will be reviewed, the U.S. Supreme Court announced May 22 (SAS Institute Inc. v. Michelle K. Lee, Director, U.S. Patent and Trademark Office and ComplementSoft LLC, No. 16-969, U.S. Sup.)....