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Udall v. Tallman

380 U.S. 1 · Decided March 1, 1965 · 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

Udall v. Tallman was decided on March 1, 1965 unanimously (7–0). The Court reversed the lower court's decision. Chief Justice Earl Warren wrote the opinion of the Court. SCDB classifies its main issue as “Judicial review of agency actions” in the Judicial Power area.

Read the opinion

Case details

Citations
380 U.S. 1 · 85 S. Ct. 792 · 13 L. Ed. 2d 616 · 1965 U.S. LEXIS 2228
Docket number
34
Decided
March 1, 1965
Argued
October 22, 1964
Court era
Warren 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
Earl Warren
Opinion assigned by
Earl Warren
How the case arrived
Certiorari
Issue area
Judicial Power
Legal provision
Executive order
Type of law
Other
Decision direction (SCDB)
Conservative what this means

How the Justices voted

Did not participate: William O. Douglas, John M. Harlan II.

Full case caption

Udall, Secretary of the Interior v. Tallman et al.

SCDB identifiers: case 1964-043, docket 1964-043-01.

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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