Mealey's (June 13, 2022, 10:19 AM EDT) -- WASHINGTON, D.C. — In a June 8 reply brief, an appellant tells the Federal Circuit U.S. Court of Appeals that the Patent Trial and Appeal Board acted arbitrarily when it refused to consider the patent owner’s assertion that prior art must provide the ability to articulate, rotate and provide tactile feedback to render a surgical stapler and robotic surgical fastener system unpatentable....