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Carnegie-Mellon University v. Cohill

484 U.S. 343 · Decided January 20, 1988 · 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

Carnegie-Mellon University v. Cohill was decided on January 20, 1988 by a vote of 5–3. The Court affirmed the lower court's decision. Justice Thurgood Marshall wrote the opinion of the Court. SCDB classifies its main issue as “Jurisdiction of federal district or territorial courts” in the Judicial Power area.

Read the opinion

Case details

Citations
484 U.S. 343 · 108 S. Ct. 614 · 98 L. Ed. 2d 720 · 1988 U.S. LEXIS 449
Docket number
86-1021
Decided
January 20, 1988
Argued
November 10, 1987
Decision type
Opinion of the Court (orally argued)
Disposition
Affirmed
Outcome for petitioner
The petitioning party did not receive a favorable disposition
Vote
5–3
Majority opinion
Thurgood Marshall
Opinion assigned by
William J. Brennan Jr.
How the case arrived
Certiorari
Issue area
Judicial Power
Decision direction (SCDB)
Liberal what this means

How the Justices voted

Full case caption

Carnegie-Mellon University et al. v. Cohill, Judge, United States District Court for the Western District of Pennsylvania, et al.

SCDB identifiers: case 1987-023, docket 1987-023-01.

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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