477 U.S. 242 (1986) Cited 235,819 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 25,012 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
515 U.S. 557 (1995) Cited 694 times 4 Legal Analyses
Holding that a marcher's message will likely be attributed to the parade organizer's, since "every participating unit" in a parade "affects the [overall] message"
471 U.S. 626 (1985) Cited 607 times 54 Legal Analyses
Holding that attorney advertisement promising "if there is no recovery, no legal fees are owed by our clients" was potentially misleading because "members of the public are often unaware of the technical meanings of such terms as 'fees' and 'costs' — terms that, in ordinary usage, might well be virtually interchangeable"
418 U.S. 241 (1974) Cited 466 times 2 Legal Analyses
Holding unconstitutional a state law that required newspapers to provide "right to reply" to any candidate who was personally or professionally assailed in order to eliminate the "abuses of bias and manipulative reportage" by the press