Mealey's (June 2, 2021, 2:04 PM EDT) -- WASHINGTON, D.C. — The Patent Trial and Appeal Board correctly concluded that “comprising” claim language in a vascular stent patent is “open-ended” and “consistent” with the term’s “well-understood meaning,” Abbott Vascular Inc. and several subsidiaries argue in a May 18 brief filed with the Federal Circuit U.S. Court of Appeals....