550 U.S. 544 (2007) Cited 267,331 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' "
564 U.S. 338 (2011) Cited 6,647 times 505 Legal Analyses
Holding in Rule 23 context that “[w]ithout some glue holding the alleged reasons for all those decisions together, it will be impossible to say that examination of all the class members' claims for relief will produce a common answer”
521 U.S. 591 (1997) Cited 6,963 times 69 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
559 U.S. 393 (2010) Cited 1,154 times 44 Legal Analyses
Holding that rules of civil procedure allowing multiple claims to be litigated together "neither change plaintiffs' separate entitlements to relief nor abridge defendants' rights; they alter only how the claims are processed"
442 U.S. 682 (1979) Cited 1,982 times 12 Legal Analyses
Holding that claimants could bring social security class action "at least so long as the membership of the class is limited to those who meet the requirements of § 205(g)"
Fed. R. Civ. P. 23 Cited 34,993 times 1236 Legal Analyses
Holding that, to certify a class, the court must find that "questions of law or fact common to class members predominate over any questions affecting only individual members"