477 U.S. 242 (1986) Cited 237,052 times 38 Legal Analyses
Holding that summary judgment is not appropriate if "the dispute about a material fact is ‘genuine,’ that is, if the evidence is such that a reasonable jury could return a verdict for the nonmoving party"
477 U.S. 317 (1986) Cited 217,036 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 113,493 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
Explaining non-moving party's burden is not satisfied by "some metaphysical doubt as to the material facts, by conclusory allegations, by unsubstantiated assertions, or by only a scintilla of evidence"
Holding that expert testimony was required to establish causation in products liability case, because “ lay juror's general experience and common knowledge do not extend to whether design defects such as those alleged in this case caused releases of diesel fuel during a rollover accident”
Holding that "mere conclusory allegations are not competent summary judgment evidence, and . . . are insufficient, therefore, to defeat a motion for summary judgment"
Fed. R. Civ. P. 19 Cited 9,582 times 55 Legal Analyses
Holding a person must be joined if disposing the action in the person's absence may leave an existing party subject to a "substantial" risk of incurring inconsistent obligations
Defining seller as a "person who is engaged in the business of distributing or otherwise placing, for any commercial purpose, in the stream of commerce for use or consumption a product or any component part thereof"
Providing that, where tender has been accepted, "the buyer must within a reasonable time after he discovers or should have discovered any breach notify the seller of breach or be barred from any remedy"
Requiring drug manufacturers to make Medication Guides available for distribution to each patient with each prescription, by providing them—or the means to produce them—to distributors, packers, or authorized dispensers of the drug