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Jason Pepper v. United States

562 U.S. 476 · Decided March 2, 2011 · 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

Jason Pepper v. United States was decided on March 2, 2011 by a vote of 6–2. The Court affirmed the lower court's decision in part and reversed or vacated it in part. Justice Sonia Sotomayor 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 records that the Court declared an act of Congress unconstitutional.

Read the opinion

Case details

Citations
562 U.S. 476 · 131 S. Ct. 1229 · 179 L. Ed. 2d 196 · 2011 U.S. LEXIS 1902
Docket number
09-6822
Decided
March 2, 2011
Argued
December 6, 2010
Court era
Roberts Court
Decision type
Opinion of the Court (orally argued)
Disposition
Affirmed and reversed (or vacated) in part
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
6–2
Majority opinion
Sonia Sotomayor
Opinion assigned by
John G. Roberts Jr.
How the case arrived
Certiorari
Legal provision
Sixth Amendment (right to trial by jury)
Type of law
Constitutional amendment
Held unconstitutional
An act of Congress
Decision direction (SCDB)
Liberal what this means

How the Justices voted

JusticeVoteSeparate writing
Justice Antonin ScaliaMajority
Justice Anthony M. KennedyMajority
Justice Clarence ThomasDissentWrote an opinion
Justice Ruth Bader GinsburgMajority
Justice Stephen G. BreyerConcurrenceWrote an opinion
Chief Justice John G. Roberts Jr.Majority
Justice Samuel A. Alito Jr.DissentWrote an opinion
Justice Sonia SotomayorMajorityWrote an opinion

Did not participate: Elena Kagan.

Full case caption

Jason Pepper, Petitioner v. United States

SCDB identifiers: case 2010-024, docket 2010-024-01.

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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