Mealey's (March 13, 2020, 9:17 AM EDT) -- ALEXANDRIA, Va. — Ethicon LLC on March 12 filed a patent owner response with the Patent Trial and Appeal Board in which the medical device maker asserts that the inventors of a “novel motor-powered surgical stapler” addressed a “critical concern” not solved by prior art (Intuitive Surgical Inc. v. Ethicon LLC, No. IPR2019-00991, PTAB)....