Mealey's (December 18, 2018, 12:11 PM EST) -- ALEXANDRIA, Va. — Assertions by a petitioner for inter partes review (IPR) that various claims of a patented “side-by-side vehicle” would have been obvious to a person of skill in the art (POSITA) were unsuccessful on Dec. 17, when the Patent Trial and Appeal Board ruled in favor of the patent owner (Arctic Cat Inc. v. Polaris Industries Inc., No. IPR2017-00433, PTAB)....