Mealey's (July 16, 2020, 10:58 AM EDT) -- ALEXANDRIA, Va. — In a July 14 preliminary patent owner response, the owner of a patent directed to an ozone generator urges the Patent Trial and Appeal Board to turn away a petition for inter partes review (IPR) (Primozone Production AB v. Xylem Europe GmbH, No. IPR2020-00785, PTAB)....