Panel Reverses, Says 3M Has ‘Colorable Federal Defense’ In PFAS Pollution Case

( November 20, 2025, 2:30 PM EST) -- BOSTON — A panel of the First Circuit U.S. Court of Appeals on Nov. 19 reversed and remanded to Maine federal court the state’s lawsuit against the 3M Co. Inc. alleging injury from water contamination caused by the firefighting agent aqueous film forming foam (AFFF), ruling that 3M is entitled to federal jurisdiction because it has a “colorable” federal contractor defense....