(January 2, 2020, 11:00 AM EST) -- WASHINGTON, D.C. — The owner of three patents relating to an implantable medical device on Dec. 3 told the Federal Circuit U.S. Court of Appeals that the Patent Trial and Appeal Board correctly upheld as patentable various claims directed to open-ended implants (Merck, Sharp & Dohme Corp. v. Microspherix LLC, Nos. 19-2197, -2200, -2208, Fed. Cir.)....