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Comptroller of the Treasury v. Wynne

575 U.S. 542 · Decided May 18, 2015 · 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

Comptroller of the Treasury v. Wynne was decided on May 18, 2015 by a vote of 5–4. The Court affirmed the lower court's decision. Justice Samuel A. Alito Jr. wrote the opinion of the Court. SCDB classifies its main issue as “State or local government tax” in the Economic Activity area. SCDB records that the Court declared a state or territorial law, regulation or constitutional provision unconstitutional.

Read the opinion

Case details

Citations
575 U.S. 542 · 135 S. Ct. 1787 · 191 L. Ed. 2d 813 · 2015 U.S. LEXIS 3404
Docket number
13-485
Decided
May 18, 2015
Argued
November 12, 2014
Court era
Roberts Court
Decision type
Opinion of the Court (orally argued)
Disposition
Affirmed
Outcome for petitioner
The petitioning party did not receive a favorable disposition
Vote
5–4
Majority opinion
Samuel A. Alito Jr.
Opinion assigned by
John G. Roberts Jr.
How the case arrived
Certiorari
Legal provision
Article I, Section 8, Paragraph 3 (interstate commerce clause)
Type of law
Constitution
Held unconstitutional
A state or territorial law, regulation or constitutional provision
Decision direction (SCDB)
Conservative what this means

How the Justices voted

JusticeVoteSeparate writing
Justice Antonin ScaliaDissentWrote an opinion
Justice Anthony M. KennedyMajority
Justice Clarence ThomasDissentWrote an opinion
Justice Ruth Bader GinsburgDissentWrote an opinion
Justice Stephen G. BreyerMajority
Chief Justice John G. Roberts Jr.Majority
Justice Samuel A. Alito Jr.MajorityWrote an opinion
Justice Sonia SotomayorMajority
Justice Elena KaganDissent

Full case caption

Comptroller of the Treasury v. Wynne

SCDB identifiers: case 2014-021, docket 2014-021-01.

Other cases on “State or local government tax”

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Cases on the same legal provision: Article I, Section 8, Paragraph 3 (interstate commerce clause)

Same Term, same area (Economic Activity)

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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