Mallory v. United States
354 U.S. 449 · Decided June 24, 1957 · 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
Mallory v. United States was decided on June 24, 1957 unanimously (9–0). The Court reversed the lower court's decision and remanded the case. Justice Felix Frankfurter wrote the opinion of the Court. SCDB classifies its main issue as “Federal Rules of Criminal Procedure” in the Criminal Procedure area.
Read the opinion
Case details
- Citations
- 354 U.S. 449 · 77 S. Ct. 1356 · 1 L. Ed. 2d 1479 · 1957 U.S. LEXIS 586
- Docket number
- 521
- Decided
- June 24, 1957
- Argued
- April 1, 1957
- Court era
- Warren Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Reversed and remanded
- Outcome for petitioner
- The petitioning party received a favorable disposition
- Vote
- 9–0 (unanimous)
- Majority opinion
- Felix Frankfurter
- Opinion assigned by
- Earl Warren
- How the case arrived
- Certiorari
- Issue (SCDB)
- Federal Rules of Criminal Procedure
- Issue area
- Criminal Procedure
- Legal provision
- Federal Rules of Criminal Procedure
- Type of law
- Court rules
- Decision direction (SCDB)
- Liberal what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Hugo L. Black | Majority | |
| Justice Felix Frankfurter | Majority | Wrote an opinion |
| Justice William O. Douglas | Majority | |
| Justice Harold H. Burton | 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 |
Full case caption
Mallory v. United States
SCDB identifiers: case 1956-127, docket 1956-127-01.
Related decisions
Other cases on “Federal Rules of Criminal Procedure”
- Hawkins v. United States
- Rea v. United States
- Smith v. United States
- Sullivan v. United States
- United States v. Robinson
- Schaffer v. United States
Cases on the same legal provision: Federal Rules of Criminal Procedure
- Rosenbloom v. United States
- Giordenello v. United States
- Pittsburgh Plate Glass Co. v. United States
- Jones v. United States
- Sacher v. United States
- Cleary v. Bolger
Same Term, same area (Criminal Procedure)
- Mesarosh v. United States.
- Mesarosh v. United States
- Fikes v. Alabama
- Delli Paoli v. United States
- Gold v. United States
- Prince 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