Mario Claiborne v. United States
551 U.S. 87 · Decided June 4, 2007 · 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
Mario Claiborne v. United States was decided on June 4, 2007 unanimously (9–0). The Court vacated the lower court's decision. The decision was issued per curiam (an unsigned opinion of the Court). SCDB classifies its main issue as “Mootness” in the Judicial Power area.
Read the opinion
Case details
- Citations
- 551 U.S. 87 · 127 S. Ct. 2245 · 167 L. Ed. 2d 1080 · 2007 U.S. LEXIS 6964
- Docket number
- 06-5618
- Decided
- June 4, 2007
- Argued
- February 20, 2007
- Court era
- Roberts Court
- Decision type
- Per curiam (orally argued)
- Disposition
- Vacated
- Outcome for petitioner
- The petitioning party did not receive a favorable disposition
- Vote
- 9–0 (unanimous)
- How the case arrived
- Certiorari
- Issue (SCDB)
- Mootness
- Issue area
- Judicial Power
- Decision direction (SCDB)
- Conservative what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice John Paul Stevens | Majority | |
| Justice Antonin Scalia | Majority | |
| Justice Anthony M. Kennedy | Majority | |
| Justice David H. Souter | Majority | |
| Justice Clarence Thomas | Majority | |
| Justice Ruth Bader Ginsburg | Majority | |
| Justice Stephen G. Breyer | Majority | |
| Chief Justice John G. Roberts Jr. | Majority | |
| Justice Samuel A. Alito Jr. | Majority |
Full case caption
Mario Claiborne v. United States
SCDB identifiers: case 2006-052, docket 2006-052-01.
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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