Transcontinental Gas Pipe Line Corp. v. State Oil and Gas Board of Mississippi

474 U.S. 409 · Decided January 22, 1986 · Supreme Court of the United States

At a glance

Transcontinental Gas Pipe Line Corp. v. State Oil and Gas Board of Mississippi was decided on January 22, 1986 by a vote of 5–4. The Court reversed the lower court's decision. Justice Harry A. Blackmun 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

Transcontinental Gas Pipe Line Corp. v. State Oil and Gas Board of Mississippi et al.

SCDB identifiers: case 1985-028, docket 1985-028-01.

Related decisions

Other cases on “Federal preemption of state legislation or regulation”

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Cases on the same legal provision: Natural Gas Act or Natural Gas Policy Act

• Federal Energy Regulatory Commission v. Martin Exploration Management Co.
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Same Term, same area (Federalism)

• United States v. Maine
  475 U.S. 89Decided February 25, 19868–0John Paul Stevens
• Wisconsin Department of Industry v. Gould Inc.
  475 U.S. 282Decided February 26, 19869–0Harry A. Blackmun
• Exxon Corp. v. Hunt
  475 U.S. 355Decided March 10, 19867–1Thurgood Marshall
• Golden State Transit Corp. v. City of Los Angeles
  475 U.S. 608Decided April 1, 19868–1Harry A. Blackmun
• Louisiana Public Service Commission v. Federal Communications Commission
  476 U.S. 355Decided May 27, 19865–2William J. Brennan Jr.
• Public Service Commission of Maryland v. Chesapeake & Potomac Telephone Company of Maryland
  476 U.S. 445Decided May 27, 19867–0Per curiam

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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