I’m embarrassingly late in posting a link to the Supreme Court’s recent decision in Shady Grove Orthopedic Associates, P.A. v. Allstate Insurance Co., No. 08-1008, slip op. (S. Ct., March 31, 2010) in which the Court held that a New York state rule prohibiting class actions to recover statutory penalties did not apply in a case filed in federal court exercising diversity jurisdiction under the Class Action Fairness Act (CAFA).
Anyone who thinks that class action jurisprudence can be predicted based on perceived political leanings of the Justices should take a look at the composition of the various factions of the Court that agreed to different parts of the plurality opinion:
SCALIA, J., announced the judgment of the Court and delivered the opinion of the Court with respect to Parts I and II–A, in which ROB-ERTS, C. J., and STEVENS, THOMAS, and SOTOMAYOR, JJ., joined, an opin-ion with respect to Parts II–B and II–D, in which ROBERTS, C. J., and THOMAS, and SOTOMAYOR, JJ., joined, and an opinion with respect to Part II–C, in which ROBERTS, C. J., and, THOMAS, J., joined. STEVENS, J., filed an opinion concurring in part and concurring in the judgment. GINSBURG, J., filed a dissenting opinion, in which KENNEDY, BREYER, and ALITO, JJ., joined.