United States v. Addyston Pipe & Steel Co.
United States Court of Appeals for the Sixth Circuit
85 F. 271 (6th Cir. 1889)
Relevant factsFree
Addyston Pipe and five other manufacturers agreed to divide the national market for cast-iron pipe into exclusive territories and fix prices within those territories specifically to exclude new competitors, and the district court had ruled in the manufacturers' favor before the government appealed.
IssueFree
Whether an agreement whose main purpose is restraining trade will be shielded from Sherman Act liability under the common law exception for ancillary trade restraints.