Supreme Court Won’t Hear Estoppel Arguments In Earphone Patent Fight

( March 24, 2025, 10:51 AM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on March 24 rejected a petition for a writ of certiorari from the assignee of wireless earphone patents; the company had argued that the Federal Circuit U.S. Court of Appeals inappropriately adopted “a novel and expansive rule of collateral estoppel” when it held that two appeals it brought were moot because it failed to appeal a federal trial court order holding that the patent claims at issue were invalid in a separate case....