American Insurance Association v. John Garamendi

539 U.S. 396 · Decided June 23, 2003 · Supreme Court of the United States

At a glance

American Insurance Association v. John Garamendi was decided on June 23, 2003 by a vote of 5–4. The Court reversed the lower court's decision. Justice David H. Souter wrote the opinion of the Court. SCDB classifies its main issue as “Federal preemption of state legislation or regulation” in the Federalism area.

Read the opinion

• CourtListener (Free Law Project) — opinion text
• Library of Congress — official U.S. Reports scan

Case details

How the Justices voted

Full case caption

American Insurance Association, et al. v. John Garamendi, Insurance Commissioner, State of California

SCDB identifiers: case 2002-079, docket 2002-079-01.

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Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error