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Montana v. United States

440 U.S. 147 · Decided February 22, 1979 · 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

Montana v. United States was decided on February 22, 1979 by a vote of 8–1. The Court reversed the lower court's decision. Justice Thurgood Marshall wrote the opinion of the Court. SCDB classifies its main issue as “State or local government tax” in the Economic Activity area.

Read the opinion

Case details

Citations
440 U.S. 147 · 99 S. Ct. 970 · 59 L. Ed. 2d 210 · 1979 U.S. LEXIS 27
Docket number
77-1134
Decided
February 22, 1979
Argued
December 4, 1978
Court era
Burger Court
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
8–1
Majority opinion
Thurgood Marshall
Opinion assigned by
Warren E. Burger
How the case arrived
Appeal
Legal provision
Estoppel
Type of law
Other
Decision direction (SCDB)
Conservative what this means

How the Justices voted

Full case caption

Montana et al. v. United States

SCDB identifiers: case 1978-042, docket 1978-042-01.

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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