(May 18, 2016, 9:56 AM EDT) -- ALEXANDRIA, Va. — Assignee and real party in interest Microsoft Corp. prevailed before the Patent Trial and Appeal Board April 22 in its appeal of an examiner’s rejection of various claims of a patent application covering an extensible file system (Ex parte Ravisankar Pudipeddi, et al., No. 2014-002775, PTAB)....