( March 20, 2019, 2:18 PM EDT) -- ALEXANDRIA, Va. — A claimed method of collective task completion among distributed software agents using an inter-agent communication language (ICL) to provide a common communication protocol would have been obvious to a person of skill in the art (POSITA), Microsoft Corp. asserts in a March 19 petition for inter partes review by the Patent Trial and Appeal Board (Microsoft Corp. v. IPA Technologies Inc., No. IPR2019-00837, PTAB)....