Amgen Inc., et al., Petitioners v. Connecticut Retirement Plans and Trust Funds

Decided February 27, 2013. Ruth Bader Ginsburg delivered the opinion of the Court.

Docket 11-1085 · 568 U.S. 455 (2013) · Cited 1,424 times

We don’t yet publish a summary of this opinion — read the official text below for the Court’s holding and reasoning.

How the Justices voted

Decided 6–3.

“Concurring” means agreeing with the outcome; any split shown is the Court’s judgment, not each Justice’s reasoning. Source: the Supreme Court Database (Spaeth et al.), Washington University.

Precedents cited

Supreme Court decisions this opinion relies on, ordered by how often it cites each. Cases in our collection link through; others are named.

• Basic Inc. v. Levinson · 485 U.S. 224 (1988)
• Wal-Mart Stores, Inc. v. Dukes · 564 U.S. 338 (2011)
• TSC Industries, Inc. v. Northway, Inc. · 426 U.S. 438 (1976)
• Erica P. John Fund, Inc. v. Halliburton Co. · 563 U.S. 804 (2011)
• Matrixx Initiatives, Inc. v. Siracusano · 563 U.S. 27 (2011)
• Eisen v. Carlisle & Jacquelin · 417 U.S. 156 (1974)
• Amchem Products, Inc. v. Windsor · 521 U.S. 591 (1997)
• Dura Pharmaceuticals, Inc. v. Broudo · 544 U.S. 336 (2005)
• Smith v. Bayer Corp. · 564 U.S. 299 (2011)
• Anderson v. Liberty Lobby, Inc. · 477 U.S. 242 (1986)
• Tellabs, Inc. v. Makor Issues & Rights, Ltd. · 551 U.S. 308 (2007)
• Blue Chip Stamps v. Manor Drug Stores · 421 U.S. 723 (1975)
• United States v. Detroit Timber & Lumber Co. · 200 U.S. 321 (1906)
• Superintendent of Insurance of New York v. Bankers Life & Casualty Co. · 404 U.S. 6 (1971)
• Stoneridge Investment Partners, LLC v. Scientific-Atlanta, Inc. · 552 U.S. 148 (2008)
• Merrill Lynch, Pierce, Fenner & Smith Inc. v. Dabit · 547 U.S. 71 (2006)
• Board of Regents of the University of Wisconsin System v. Southworth · 529 U.S. 217 (2000)
• Christian Legal Soc. Chapter of Univ. of Cal., Hastings College of Law v. Martinez · 561 U.S. 661 (2010)

Cited by

Later Supreme Court opinions in our collection that cite this case.

• Goldman Sachs Group, Inc. v. Arkansas Teacher Retirement System · 594 U.S. 113 (2021)
• Tyson Foods, Inc. v. Bouaphakeo · 577 U.S. 442 (2016)
• Kousisis v. United States · 605 U.S. 114 (2025)

Official text

Read the official opinion (U.S. Reports, govinfo.gov)

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Source: the U.S. Reports via govinfo.gov; authoring Justice and vote lineup from the Supreme Court Database (Washington University). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-03. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).