Mealey's (October 5, 2022, 9:48 AM EDT) -- ALEXANDRIA, Va. — In a 52-page decision issued Oct. 4, Katherine K. Vidal, director of the U.S. Patent and Trademark Office (PTO), said a petitioner for inter partes review (IPR) engaged in discovery misconduct and abuse of process so grave that it “warrants sanctions to the fullest extent” of her power....