Allen Ryan Alleyne v. United States

570 U.S. 99 · Decided June 17, 2013 · Supreme Court of the United States

At a glance

Allen Ryan Alleyne v. United States was decided on June 17, 2013 by a vote of 5–4. The Court vacated the lower court's decision and remanded the case. Justice Clarence Thomas wrote the opinion of the Court. SCDB classifies its main issue as “Statutory construction of criminal laws, sentencing guidelines” in the Criminal Procedure area. SCDB codes this decision as formally altering one or more of the Court's own precedents.

Read the opinion

• CourtListener (Free Law Project) — opinion text
• Library of Congress — official U.S. Reports scan

Case details

How the Justices voted

Full case caption

Allen Ryan Alleyne, Petitioner v. United States

SCDB identifiers: case 2012-062, docket 2012-062-01.

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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