Mandel Brothers, Inc. v. Wallace
335 U.S. 291 · Decided November 8, 1948 · 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
Mandel Brothers, Inc. v. Wallace was decided on November 8, 1948 unanimously (9–0). The Court reversed the lower court's decision. Justice Hugo L. Black wrote the opinion of the Court. SCDB classifies its main issue as “Patents” in the Economic Activity area.
Read the opinion
Case details
- Citations
- 335 U.S. 291 · 69 S. Ct. 73 · 93 L. Ed. 2d 12 · 1948 U.S. LEXIS 2797
- Docket number
- 16
- Decided
- November 8, 1948
- Argued
- October 14, 1948
- 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
- 9–0 (unanimous)
- Majority opinion
- Hugo L. Black
- Opinion assigned by
- Hugo L. Black
- How the case arrived
- Certiorari
- Issue (SCDB)
- Patents
- Issue area
- Economic Activity
- Decision direction (SCDB)
- Liberal what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Hugo L. Black | Majority | Wrote an opinion |
| Justice Stanley F. Reed | Majority | |
| Justice Felix Frankfurter | Majority | |
| Justice William O. Douglas | Special concurrence | Wrote an opinion |
| Justice Frank Murphy | Majority | |
| Justice Robert H. Jackson | Majority | |
| Justice Wiley B. Rutledge | Majority | |
| Justice Harold H. Burton | Majority | |
| Chief Justice Fred M. Vinson | Majority |
Full case caption
Mandel Brothers, Inc. v. Wallace
SCDB identifiers: case 1948-002, docket 1948-002-01.
Related decisions
Other cases on “Patents”
- Jungersen v. Ostby & Barton Co.
- Graver Tank & Mfg. Co., Inc. v. Linde Air Products Co.
- Funk Brothers Seed Co. v. Kalo Inoculant Co.
- Faulkner v. Gibbs
- Graver Tank & Mfg. Co., Inc. v. Linde Air Products Co.
- Automatic Radio Manufacturing Co., Inc. v. Hazeltine Research, Inc.
Same Term, same area (Economic Activity)
- Ford Motor Co. v. United States
- Eckenrode v. Pennsylvania Railroad Co.
- Kordel v. United States
- United States v. Urbuteit
- Grand River Dam Authority v. Grand-Hydro
- Coray v. Southern Pacific Co.
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