Aetna Health Inc. v. Juan Davila

542 U.S. 200 · Decided June 21, 2004 · Supreme Court of the United States

At a glance

Aetna Health Inc. v. Juan Davila was decided on June 21, 2004 unanimously (9–0). The Court reversed the lower court's decision and remanded the case. Justice Clarence Thomas 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

Aetna Health Inc., Fka Aetna U.S. Healthcare Inc. and Aetna U.S. Healthcare of North Texas Inc. v. Juan Davila

SCDB identifiers: case 2003-076, docket 2003-076-01.

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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