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Idaho ex Rel. Evans v. Oregon

444 U.S. 380 · Decided January 21, 1980 · 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

Idaho ex Rel. Evans v. Oregon was decided on January 21, 1980 by a vote of 7–2. Justice William H. Rehnquist wrote the opinion of the Court. SCDB classifies its main issue as “Non-real property dispute between states” in the Interstate Relations area.

Read the opinion

Case details

Citations
444 U.S. 380 · 100 S. Ct. 616 · 62 L. Ed. 2d 564 · 1980 U.S. LEXIS 22
Docket number
67 ORIG
Decided
January 21, 1980
Argued
November 26, 1979
Court era
Burger Court
Decision type
Opinion of the Court (orally argued)
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
7–2
Majority opinion
William H. Rehnquist
Opinion assigned by
Warren E. Burger
How the case arrived
Original jurisdiction
Decision direction (SCDB)
Unspecifiable what this means

How the Justices voted

JusticeVoteSeparate writing
Justice William J. Brennan Jr.Majority
Justice Potter StewartDissentCo-authored an opinion
Justice Byron R. WhiteMajority
Justice Thurgood MarshallDissentCo-authored an opinion
Chief Justice Warren E. BurgerMajority
Justice Harry A. BlackmunMajority
Justice Lewis F. Powell Jr.Majority
Justice William H. RehnquistMajorityWrote an opinion
Justice John Paul StevensMajority

Full case caption

Idaho ex Rel. Evans, Governor of Idaho, et al. v. Oregon et al.

SCDB identifiers: case 1979-023, docket 1979-023-01.

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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