De Simone v. United States
361 U.S. 125 · Decided December 7, 1959 · 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
De Simone v. United States was decided on December 7, 1959 unanimously (9–0). The Court vacated the lower court's decision and remanded the case. The decision was issued per curiam (an unsigned opinion of the Court). SCDB classifies its main issue as “Mootness” in the Judicial Power area.
Read the opinion
Case details
- Citations
- 361 U.S. 125 · 80 S. Ct. 253 · 4 L. Ed. 2d 167 · 1959 U.S. LEXIS 29
- Docket number
- 202
- Decided
- December 7, 1959
- Court era
- Warren Court
- Decision type
- Per curiam (no oral argument)
- Disposition
- Vacated and remanded
- Outcome for petitioner
- The petitioning party did not receive a favorable disposition
- Vote
- 9–0 (unanimous)
- Opinion assigned by
- Earl Warren
- How the case arrived
- Certiorari
- Issue (SCDB)
- Mootness
- Issue area
- Judicial Power
- Decision direction (SCDB)
- Conservative what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Hugo L. Black | Majority | |
| Justice Felix Frankfurter | 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 Charles E. Whittaker | Majority | |
| Justice Potter Stewart | Majority |
Full case caption
De Simone v. United States
SCDB identifiers: case 1959-010, docket 1959-010-01.
Related decisions
Other cases on “Mootness”
- J. Aron & Company, Inc. v. Mississippi Shipping Company, Inc.
- Local No. 8-6 v. Missouri
- Tilghman v. Culver
- Verret v. Oil Transport Co., Inc.
- Black v. Amen
- A. L. Mechling Barge Lines, Inc. v. United States
Same Term, same area (Judicial Power)
- J. Aron & Company, Inc. v. Mississippi Shipping Company, Inc.
- Mitchell v. Oregon Frozen Foods Co.
- Local No. 8-6 v. Missouri
- United States v. Mersky
- Florida Lime and Avocado Growers, Inc. v. Jacobsen
- McGann v. United States
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