435 U.S. 679 (1978) Cited 742 times 9 Legal Analyses
Holding agreement among engineers to refuse to discuss prices with potential customers until after the initial selection of an engineer was per se illegal
441 U.S. 1 (1979) Cited 578 times 10 Legal Analyses
Holding generally that blanket and per-program licenses by ASCAP and BMI were not per se antitrust violations, but rather these licenses, "when attacked, . . . should be subjected to a more discriminating examination under the rule of reason"
526 U.S. 756 (1999) Cited 203 times 15 Legal Analyses
Holding that full rule of reason analysis was required where challenged restraint "might plausibly be thought to have a net procompetitive effect, or possibly no effect at all on competition"