Mealey's (July 22, 2020, 2:00 PM EDT) -- ALEXANDRIA, Va. — An inter partes review (IPR) petitioner prevailed July 20 when the Patent Trial and Appeal Board agreed that 20 claims of a patented angioplasty balloon catheter that discloses the use of shockwaves to treat calcified lesions would have been obvious to a person of skill in the art (Cardiovascular Systems Inc. v. Shockwave Medical Inc., No. IPR2019-00408, PTAB)....