Mealey's (May 6, 2019, 11:51 AM EDT) -- SAN FRANCISCO — Although agreeing with a California federal magistrate judge that copyright claims levied against Microsoft Corp. that involve conduct taking place before the filing of a 2013 patent infringement action are subject to claim preclusion, the Ninth Circuit U.S. Court of Appeals on May 2 found that a plaintiff may proceed with allegations that the software giant continued to infringe its copyrights through sales taking place after the patent case was filed (Media Rights Technologies Inc. v. Microsoft Corp., No. 17-16509, 9th Cir., 2019 U.S. App. LEXIS 13239)....