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Lamont v. Postmaster General

381 U.S. 301 · Decided May 24, 1965 · 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

Lamont v. Postmaster General was decided on May 24, 1965 unanimously (8–0). The Court reversed the lower court's decision. Justice William O. Douglas wrote the opinion of the Court. SCDB classifies its main issue as “First Amendment, miscellaneous” in the First Amendment area. SCDB records that the Court declared an act of Congress unconstitutional.

Read the opinion

Case details

Citations
381 U.S. 301 · 85 S. Ct. 1493 · 14 L. Ed. 2d 398 · 1965 U.S. LEXIS 2286
Docket number
491
Decided
May 24, 1965
Argued
April 26, 1965
Court era
Warren Court
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
8–0 (unanimous)
Majority opinion
William O. Douglas
Opinion assigned by
Earl Warren
How the case arrived
Appeal
Issue area
First Amendment
Legal provision
39 U.S.C. § 4008
Type of law
Infrequently litigated statute
Held unconstitutional
An act of Congress
Decision direction (SCDB)
Liberal what this means

How the Justices voted

JusticeVoteSeparate writing
Justice Hugo L. BlackMajority
Justice William O. DouglasMajorityWrote an opinion
Justice Tom C. ClarkMajority
Chief Justice Earl WarrenMajority
Justice John M. Harlan IISpecial concurrenceWrote an opinion
Justice William J. Brennan Jr.ConcurrenceWrote an opinion
Justice Potter StewartMajority
Justice Arthur J. GoldbergConcurrence

Did not participate: Byron R. White.

Full case caption

Lamont, Dba Basic Pamphlets v. Postmaster General

SCDB identifiers: case 1964-111, docket 1964-111-01.

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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