( March 13, 2026, 7:39 AM EDT) -- WASHINGTON, D.C. — The U.S. Chamber of Commerce and other business advocacy groups have filed an amicus curiae brief in the U.S. Supreme Court supporting a petition by Union Carbide Corp. and an affiliate seeking review of a federal appellate court opinion in a dispute over the correct legal standard for the admissibility of an expert in an ethylene oxide XE "ethylene oxide" (EtO) injury case. The amici argue that the Fourth Circuit “became the second circuit (after the First Circuit) to reaffirm incorrect ‘weight not admissibility’ jurisprudence in the wake of” amendments that were made to Federal Rule of Evidence 702 in 2023....