477 U.S. 242 (1986) Cited 235,923 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"
398 U.S. 144 (1970) Cited 25,015 times 1 Legal Analyses
Holding that a private person who conspires with government actors to deprive a plaintiff of her constitutional rights acts "under color of law" for purposes of § 1983
Holding that plaintiff cannot recover damages under Cal. Bus. Prof. Code § 17200 unless plaintiff has "an ownership interest in the money it seeks to recover"
Holding class representatives had standing to challenge common marketing of cigarettes despite differences in the advertisements or statements on which class members relied
Holding that "the quantity of pepper spray discharged by the officers is unquestionably material, because the amount of force used is central to a claim sounding in the alleged use of excessive force."
Holding that a class of prison inmates failed to establish that any named plaintiff suffered actual injury from a prison policy prohibiting HIV-positive individuals from obtaining employment in its food-service department because the class did not show that any named plaintiff was HIV-positive, was interested in a food-service job, or applied for one