556 U.S. 662 (2009) Cited 172,000 times 246 Legal Analyses
Holding that a "'naked assertion' devoid of 'further factual enhancement'" does not adequately state a claim on which relief can be granted (quoting Bell Atl. Corp. v. Twombly, 550 U.S. 544, 557 (2007))
521 U.S. 591 (1997) Cited 5,646 times 66 Legal Analyses
Holding that courts are "bound to enforce" Rule 23's certification requirements, even where it means decertifying a class after they had reached a settlement agreement and submitted it to the court for approval
355 U.S. 41 (1957) Cited 52,482 times 27 Legal Analyses
Holding that "a complaint should not be dismissed for failure to state a claim unless it appears beyond doubt that the plaintiff can prove no set of facts in support of his claim which would entitle him to relief"
Holding that Twombly did not “undermine principle” that all reasonable inferences are to be drawn in favor of the plaintiff, and reaffirming that “the facts alleged must be taken as true and a complaint may not be dismissed merely because it appears unlikely that the plaintiff can prove those facts or will ultimately prevail on the merits”
559 U.S. 393 (2010) Cited 800 times 38 Legal Analyses
Holding that a Federal Rule of Civil Procedure governs the circumstances to which it applies unless it is unconstitutional or exceeds the scope of the Rules Enabling Act, which provides that the Federal Rules of Civil Procedure "shall not abridge, enlarge, or modify any substantive right [28 U.S.C.] § 2072(b)"
Holding that for an act to be "unfair," it must "threaten" a violation of law or "violate the policy or spirit of one of those laws because its effects are comparable to or the same as a violation of the law"
N.Y. C.P.L.R. § 901 Cited 773 times 6 Legal Analyses
Providing that "an action to recover a penalty, or minimum measure of recovery created or imposed by statute may not be maintained as a class action" unless the "statute creating or imposing penalty, or minimum measure of recovery specifically authorizes the recovery thereof in a class action"