( October 8, 2025, 8:35 AM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court rejected a medical ceramics company’s petition for a writ of certiorari, leaving in place a Federal Circuit U.S. Court of Appeals holding that the U.S. Trademark Trial and Appeal Board (TTAB) correctly canceled its marks because the pink color of its artificial hip parts was a functional element of an expired patent....