United States v. International Boxing Club of New York, 348 U.S. 236 (1955), often referred to as International Boxing Club or just International Boxing, was an antitrust decision of the U.S. Supreme Court. By a 7–2 margin, the justices ruled that the exemption it had previously upheld for Major League Baseball was peculiar and unique to that sport and that it did not apply to boxing. Since it met the definition of interstate commerce, the government could therefore proceed with a trial to prove IBCNY and the other defendants had conspired to monopolize the market for championship boxing in the United States.