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United States v. Allied Oil Corp.

341 U.S. 1 · Decided April 9, 1951 · 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

United States v. Allied Oil Corp. was decided on April 9, 1951 unanimously (7–0). The Court reversed the lower court's decision. Justice Hugo L. Black wrote the opinion of the Court. SCDB classifies its main issue as “Consumer protection” in the Economic Activity area.

Read the opinion

Case details

Citations
341 U.S. 1 · 71 S. Ct. 544 · 95 L. Ed. 2d 697 · 1951 U.S. LEXIS 2016
Docket number
364
Decided
April 9, 1951
Argued
March 6, 1951
Court era
Vinson Court
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
7–0 (unanimous)
Majority opinion
Hugo L. Black
Opinion assigned by
Hugo L. Black
How the case arrived
Certiorari
Legal provision
Executive order
Type of law
Other
Decision direction (SCDB)
Liberal what this means

How the Justices voted

Did not participate: William O. Douglas, Tom C. Clark.

Full case caption

United States v. Allied Oil Corp. et al.

SCDB identifiers: case 1950-054, docket 1950-054-01.

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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