Local 20 v. Morton
377 U.S. 252 · Decided May 25, 1964 · 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
Local 20 v. Morton was decided on May 25, 1964 unanimously (9–0). The Court vacated the lower court's decision and remanded the case. Justice Potter Stewart wrote the opinion of the Court. SCDB classifies its main issue as “Federal preemption of state legislation or regulation” in the Federalism area.
Read the opinion
Case details
- Citations
- 377 U.S. 252 · 84 S. Ct. 1253 · 12 L. Ed. 2d 280 · 1964 U.S. LEXIS 2152
- Docket number
- 485
- Decided
- May 25, 1964
- Argued
- April 29, 1964
- Court era
- Warren Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Vacated and remanded
- Outcome for petitioner
- The petitioning party received a favorable disposition
- Vote
- 9–0 (unanimous)
- Majority opinion
- Potter Stewart
- Opinion assigned by
- Earl Warren
- How the case arrived
- Certiorari
- Issue area
- Federalism
- Legal provision
- Labor-Management Relations Act
- Type of law
- Federal statute
- Decision direction (SCDB)
- Liberal what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Hugo L. Black | Majority | |
| Justice William O. Douglas | Majority | |
| Justice Tom C. Clark | Majority | |
| Chief Justice Earl Warren | Majority | |
| Justice John M. Harlan II | Majority | |
| Justice William J. Brennan Jr. | Majority | |
| Justice Potter Stewart | Majority | Wrote an opinion |
| Justice Byron R. White | Majority | |
| Justice Arthur J. Goldberg | Concurrence | Wrote an opinion |
Full case caption
Local 20, Teamsters, Chauffeurs & Helpers Union v. Morton, Doing Business as Lester Morton Trucking Co.
SCDB identifiers: case 1963-119, docket 1963-119-01.
Related decisions
Other cases on “Federal preemption of state legislation or regulation”
- Northern Natural Gas Co. v. State Corporation Commission of Kansas
- Ex Parte George
- Wallis v. Pan American Petroleum Corp.
- Campbell v. Hussey
- Kolovrat v. Oregon
- De Veau v. Braisted
Cases on the same legal provision: Labor-Management Relations Act
- John Wiley & Sons, Inc. v. Livingston
- Local Union No. 721 v. Needham Packing Co.
- Humphrey v. Moore
- Republic Steel Corp. v. Maddox
- General Drivers v. Riss & Company, Inc.
- International Union v. Hoosier Cardinal Corp.
Same Term, same area (Federalism)
- Retail Clerks International Association v. Schermerhorn
- Liner v. Jafco, Inc.
- Yiatchos v. Yiatchos
- Humble Pipe Line Co. v. Waggonner
- Hattiesburg Building & Trades Council v. Broome
- Hostetter v. Idlewild Bon Voyage Liquor Corp.Law held unconstitutional
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