National Labor Relations Board v. Jones & Laughlin Steel Corp.
331 U.S. 416 · Decided May 19, 1947 · 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
National Labor Relations Board v. Jones & Laughlin Steel Corp. was decided on May 19, 1947 by a vote of 5–4. The Court reversed the lower court's decision. Justice Frank Murphy wrote the opinion of the Court. SCDB classifies its main issue as “Mootness” in the Judicial Power area.
Read the opinion
Case details
- Citations
- 331 U.S. 416 · 67 S. Ct. 1274 · 91 L. Ed. 1575 · 1947 U.S. LEXIS 2933
- Docket number
- 418
- Decided
- May 19, 1947
- Argued
- March 7, 1947
- Court era
- Vinson Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Reversed
- Outcome for petitioner
- The petitioning party received a favorable disposition
- Vote
- 5–4
- Majority opinion
- Frank Murphy
- Opinion assigned by
- Hugo L. Black
- How the case arrived
- Certiorari
- Issue (SCDB)
- Mootness
- Issue area
- Judicial Power
- Decision direction (SCDB)
- Liberal what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Hugo L. Black | Majority | |
| Justice Stanley F. Reed | Majority | |
| Justice Felix Frankfurter | Dissent | Co-authored an opinion |
| Justice William O. Douglas | Majority | |
| Justice Frank Murphy | Majority | Wrote an opinion |
| Justice Robert H. Jackson | Dissent | Co-authored an opinion |
| Justice Wiley B. Rutledge | Majority | |
| Justice Harold H. Burton | Dissent | Co-authored an opinion |
| Chief Justice Fred M. Vinson | Dissent | Co-authored an opinion |
Full case caption
National Labor Relations Board v. Jones & Laughlin Steel Corp.
SCDB identifiers: case 1946-104, docket 1946-104-01.
Related decisions
Other cases on “Mootness”
- Amalgamated Association of Street v. Wisconsin Employment Relations Board
- Gray v. Board of Trustees of the University of Tennessee
- Alton v. Alton
- Harsh v. Illinois Terminal Railroad Co.
- Arkansas & Louisiana Missouri Railway Co. v. Amarillo-Borger Express, Inc.
- Williams v. Simons
Same Term, same area (Judicial Power)
- Alma Motor Co. v. Timken-Detroit Axle Co.
- Anderson v. Yungkau
- Order of Railway Conductors of America v. Swan
- Parker v. Fleming
- Patterson v. Lamb
- United Public Workers of America v. Mitchell
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