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United Automobile v. Wisconsin Employment Relations Board

351 U.S. 266 · Decided June 4, 1956 · 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

United Automobile v. Wisconsin Employment Relations Board was decided on June 4, 1956 by a vote of 6–3. The Court affirmed the lower court's decision. Justice Stanley F. Reed wrote the opinion of the Court. SCDB classifies its main issue as “Federal preemption of state court jurisdiction” in the Federalism area.

Read the opinion

Case details

Citations
351 U.S. 266 · 76 S. Ct. 794 · 100 L. Ed. 2d 1162 · 1956 U.S. LEXIS 1708
Docket number
530
Decided
June 4, 1956
Argued
April 24, 1956
Court era
Warren Court
Decision type
Opinion of the Court (orally argued)
Disposition
Affirmed
Outcome for petitioner
The petitioning party did not receive a favorable disposition
Vote
6–3
Majority opinion
Stanley F. Reed
Opinion assigned by
Stanley F. Reed
How the case arrived
Appeal
Issue area
Federalism
Legal provision
National Labor Relations Act
Type of law
Federal statute
Decision direction (SCDB)
Conservative what this means

How the Justices voted

Full case caption

United Automobile, Aircraft & Agricultural Implement Workers of America v. Wisconsin Employment Relations Board et al.

SCDB identifiers: case 1955-086, docket 1955-086-01.

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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