On March 11, 2026, the United States Trade Representative (USTR) initiated a series of investigations under Section 301 of the Trade Act of 1974 (Section 301) targeting alleged structural excess capacity and overproduction in manufacturing sectors across a wide range of U.S. trading partners (the “Overcapacity Investigations”). Concurrently the USTR announced a separate set of investigations under Section 301 into whether certain trading partners have failed to take action to prevent trading in goods produced…