477 U.S. 317 (1986) Cited 215,883 times 40 Legal Analyses
Holding that a movant's summary judgment motion should be granted "against a [nonmovant] who fails to make a showing sufficient to establish the existence of an element essential to that party's case, and on which that party will bear the burden of proof at trial"
475 U.S. 574 (1986) Cited 112,902 times 38 Legal Analyses
Holding that, on summary judgment, antitrust plaintiffs "must show that the inference of conspiracy is reasonable in light of the competing inferences of independent action or collusive action that could not have harmed" them
504 U.S. 451 (1992) Cited 2,285 times 16 Legal Analyses
Holding that "it is clearly reasonable to infer that [the defendant] has market power to raise prices and drive out competition in the aftermarkets" for service and parts despite an undisputed lack of market power in the initial product
384 U.S. 563 (1966) Cited 2,642 times 6 Legal Analyses
Holding a series of three acquisitions "eliminated any possibility of an outbreak of competition" and thereby "perfected the monopoly power to exclude competitors and fix prices."
Holding that, because it “is based on and implements the First Amendment right to petition,” the Noerr–Pennington doctrine “applies equally in all contexts”
In § 2 cases under the Sherman Act, as in § 7 cases under the Clayton Act (Brown Shoe Co. v. United States, 370 U.S. 294, 325) there may be submarkets that are separate economic entities.