550 U.S. 544 (2007) Cited 266,697 times 365 Legal Analyses
Holding that a complaint's allegations should "contain sufficient factual matter, accepted as true, to 'state a claim to relief that is plausible on its face' "
544 U.S. 336 (2005) Cited 3,550 times 67 Legal Analyses
Holding that the securities statutes have a private of action “not to provide investors with broad insurance against market losses, but to protect them against those economic losses that misrepresentations actually cause”
563 U.S. 2011 (2011) Cited 1,338 times 57 Legal Analyses
Holding that plaintiffs had adequately pled a Rule 10b–5 claim—where defendant had disputed the sufficiency of the allegations with respect to the elements of scienter and materiality—by alleging that defendant had forestalled a stock price drop by making affirmative statements confirming the market's impression that defendant's leading product was safe, despite defendant's awareness of evidence suggesting a significant risk that the nasal spray led to loss of sense of smell; when the risk was finally (belatedly) disclosed, the stock price plummeted
559 U.S. 633 (2010) Cited 661 times 18 Legal Analyses
Holding that because no event preceding the critical date constituted "discovery" of facts necessary to bring the complaint, the plaintiffs' suit was timely
Holding that warnings "d[id] not qualify as meaningful cautionary language" because they "did not disclose that defendants knew from past experience that the [risks] posed an imminent threat of business and financial ruin and that some damage from these risks had already materialized"
Holding section 78u-4(b) does not literally require pleading of all facts, so long as facts pleaded provide adequate basis for believing statements were false
Fed. R. Civ. P. 15 Cited 90,557 times 91 Legal Analyses
Finding that, per N.Y. C.P.L.R. § 1024, New York law provides a more forgiving principle for relation back in the context of naming John Doe defendants described with particularity in the complaint