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City of Ontario v. Jeff Quon

560 U.S. 746 · Decided June 17, 2010 · 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

City of Ontario v. Jeff Quon was decided on June 17, 2010 unanimously (9–0). The Court reversed the lower court's decision and remanded the case. Justice Anthony M. Kennedy wrote the opinion of the Court. SCDB classifies its main issue as “Search and seizure (general)” in the Criminal Procedure area.

Read the opinion

Case details

Citations
560 U.S. 746 · 130 S. Ct. 2619 · 177 L. Ed. 2d 216 · 2010 U.S. LEXIS 4972
Docket number
08-1332
Decided
June 17, 2010
Argued
April 19, 2010
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
9–0 (unanimous)
Majority opinion
Anthony M. Kennedy
Opinion assigned by
John G. Roberts Jr.
How the case arrived
Certiorari
Legal provision
Fourth Amendment
Type of law
Constitutional amendment
Decision direction (SCDB)
Conservative what this means

How the Justices voted

JusticeVoteSeparate writing
Justice John Paul StevensConcurrenceWrote an opinion
Justice Antonin ScaliaSpecial concurrenceWrote an opinion
Justice Anthony M. KennedyMajorityWrote an opinion
Justice Clarence ThomasMajority
Justice Ruth Bader GinsburgMajority
Justice Stephen G. BreyerMajority
Chief Justice John G. Roberts Jr.Majority
Justice Samuel A. Alito Jr.Majority
Justice Sonia SotomayorMajority

Full case caption

City of Ontario, California, et al. v. Jeff Quon et al.

SCDB identifiers: case 2009-074, docket 2009-074-01.

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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