CaseTrail

Mapp v. Ohio

367 U.S. 643 · Decided June 19, 1961 · 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

Mapp v. Ohio was decided on June 19, 1961 by a vote of 6–3. The Court reversed the lower court's decision and remanded the case. Justice Tom C. Clark wrote the opinion of the Court. SCDB classifies its main issue as “Search and seizure (general)” in the Criminal Procedure area. SCDB codes this decision as formally altering one or more of the Court's own precedents.

Read the opinion

Case details

Citations
367 U.S. 643 · 81 S. Ct. 1684 · 6 L. Ed. 2d 1081 · 1961 U.S. LEXIS 812
Docket number
236
Decided
June 19, 1961
Argued
March 29, 1961
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
6–3
Majority opinion
Tom C. Clark
Opinion assigned by
Earl Warren
How the case arrived
Appeal
Legal provision
Fourth Amendment
Type of law
Constitutional amendment
Altered precedent
Yes — formally altered the Court's precedent
Decision direction (SCDB)
Liberal what this means

How the Justices voted

JusticeVoteSeparate writing
Justice Hugo L. BlackConcurrenceWrote an opinion
Justice Felix FrankfurterDissent
Justice William O. DouglasConcurrenceWrote an opinion
Justice Tom C. ClarkMajorityWrote an opinion
Chief Justice Earl WarrenMajority
Justice John M. Harlan IIDissentWrote an opinion
Justice William J. Brennan Jr.Majority
Justice Charles E. WhittakerDissent
Justice Potter StewartSpecial concurrenceWrote an opinion

Full case caption

Mapp v. Ohio

SCDB identifiers: case 1960-133, docket 1960-133-01.

Other cases on “Search and seizure (general)”

See all

Cases on the same legal provision: Fourth Amendment

Same Term, same area (Criminal Procedure)

See all

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