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John Cunningham v. California

549 U.S. 270 · Decided January 22, 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

John Cunningham v. California was decided on January 22, 2007 by a vote of 6–3. The Court reversed the lower court's decision and remanded the case. Justice Ruth Bader Ginsburg 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 a state or territorial law, regulation or constitutional provision unconstitutional.

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Case details

Citations
549 U.S. 270 · 127 S. Ct. 856 · 166 L. Ed. 2d 856 · 2007 U.S. LEXIS 1324
Docket number
05-6551
Decided
January 22, 2007
Argued
October 11, 2006
Court era
Roberts Court
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed and remanded
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
6–3
Majority opinion
Ruth Bader Ginsburg
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
A state or territorial law, regulation or constitutional provision
Decision direction (SCDB)
Liberal what this means

How the Justices voted

Full case caption

John Cunningham v. California

SCDB identifiers: case 2006-014, docket 2006-014-01.

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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