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United States v. Van Leeuwen

397 U.S. 249 · Decided March 23, 1970 · 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

United States v. Van Leeuwen was decided on March 23, 1970 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 “Search and seizure (general)” in the Criminal Procedure area.

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Case details

Citations
397 U.S. 249 · 90 S. Ct. 1029 · 25 L. Ed. 2d 282 · 1970 U.S. LEXIS 57
Docket number
403
Decided
March 23, 1970
Argued
February 25, 1970
Court era
Burger 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
Warren E. Burger
How the case arrived
Certiorari
Legal provision
Fourth Amendment
Type of law
Constitutional amendment
Decision direction (SCDB)
Conservative what this means

How the Justices voted

Full case caption

United States v. Van Leeuwen

SCDB identifiers: case 1969-061, docket 1969-061-01.

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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