International Salt Co. v. United States

Mk. Justice Jackson

delivered the opinion of the Court.

The Government brought this civil action to enjoin the International Salt Company, appellant here, from carrying out provisions of the leases of its patented machines to the effect that lessees would use therein only International’s salt products. The restriction is alleged to violate § 1 of the Sherman Act,1 and § 3 of the Clayton Act.2 Upon appellant’s answer and admissions of fact, the Government moved for summary judgment under Rule 56 of the Rules of Civil Procedure, upon the ground that no issue as to a material fact was presented…