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Comcast Corp. v. Behrend, 569 U.S. 27 (2013), is a United States Supreme Court case dealing with class certification under the Federal Rules of Civil Procedure.[1] The case restricted class certifications. The votes were split upon typical ideological lines, but, in an unusual move, the dissent was jointly written by two justices.

Comcast Corp. v. Behrend
Seal of the United States Supreme Court
Argued November 5, 2012
Decided March 27, 2013
Full case nameComcast Corporation, et al., Petitioners v. Caroline Behrend, et al.
Docket no.11-864
Citations569 U.S. 27 (more)
133 S. Ct. 1426; 185 L. Ed. 2d 515; 2013 U.S. LEXIS 2544, 81 U.S.L.W. 4217
Opinion announcementOpinion announcement
Case history
PriorDecision against defendant, 264 F.R.D. 150 (E.D. Pa. 2010); affirmed, 655 F.3d 182 (3d Cir. 2011); rehearing en banc denied, unreported; certiorari granted, 567 U.S. 933 (2012).
Respondents’ class action was improperly certified under Rule 23(b)(3).
Court membership
Chief Justice
John Roberts
Associate Justices
Antonin Scalia · Anthony Kennedy
Clarence Thomas · Ruth Bader Ginsburg
Stephen Breyer · Samuel Alito
Sonia Sotomayor · Elena Kagan
Case opinions
MajorityScalia, joined by Roberts, Kennedy, Thomas, Alito
DissentGinsburg and Breyer, joined by Sotomayor, Kagan
Laws applied
Federal Rule of Civil Procedure 23(b)(3)


  1. ^ Comcast Corp. v. Behrend, 569 U.S. 27 (2013).

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