(August 18, 2017, 7:28 AM EDT) -- ALEXANDRIA, Va. — A patent claiming an injectable soft tissue filler containing lidocaine and hyaluronic acid would have been obvious to a person of ordinary skill in the art, a petitioner told the Patent Trial and Appeal Board on Aug. 2 (Teoxane S.A. v. Allergan Industries SAS, No. IPR2017-01906, PTAB)....