Cato Institute Files Amicus Brief at CAFC in Oregon v. Trump Trade Authority Appeal

The Cato Institute and Ilya Somin filed an amicus curiae brief on September 8, 2026 at the Court of Appeals for the Federal Circuit in State of Oregon v. Trump, an appeal from the Court of International Trade. The case (Nos. 26-1742, -1606) likely challenges executive tariff authority under IEEPA or related statutes.