Philip Morris Wins Post-Grant Review Of Vaping Patent

Mealey's (January 14, 2021, 12:59 PM EST) -- ALEXANDRIA, Va. — In a Jan. 13 decision, the Patent Trial and Appeal Board granted a petition for post-grant review (PGR) by Philip Morris Products S.A. of a patent issued in December 2019 relating to an article for smoking vaporized substances....