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Wisconsin v. Federal Power Commission

373 U.S. 294 · Decided May 20, 1963 · Supreme Court of the United States

Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.

At a glance

Wisconsin v. Federal Power Commission was decided on May 20, 1963 by a vote of 5–4. The Court affirmed the lower court's decision. Justice John M. Harlan II wrote the opinion of the Court. SCDB classifies its main issue as “Gas producer regulation” in the Economic Activity area.

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Case details

Citations
373 U.S. 294 · 83 S. Ct. 1266 · 10 L. Ed. 2d 357 · 1963 U.S. LEXIS 2391
Docket number
72
Decided
May 20, 1963
Argued
January 9, 1963
Court era
Warren Court
Decision type
Opinion of the Court (orally argued)
Disposition
Affirmed
Outcome for petitioner
The petitioning party did not receive a favorable disposition
Vote
5–4
Majority opinion
John M. Harlan II
Opinion assigned by
William O. Douglas
How the case arrived
Certiorari
Legal provision
Natural Gas Act or Natural Gas Policy Act
Type of law
Federal statute
Decision direction (SCDB)
Conservative what this means

How the Justices voted

Full case caption

Wisconsin et al. v. Federal Power Commission et al.

SCDB identifiers: case 1962-109, docket 1962-109-01.

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

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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