Beacon Theatres, Inc. v. Westover

Beacon Theatres, Inc. v. Westover, 359 U.S. 500, was a case decided by the Supreme Court of the United States dealing with jury trials in civil matters. The court held that where legal and equitable claims are joined in the same action, the legal claims must be tried by a jury before the equitable claims can be resolved.
Cornell Law School's Legal Information Institute summarized it like this:
The question was whether the exclusive agreement of Fox Theatres with the distributor Westover for first-run movies was reasonable.