United States v. Walsh

331 U.S. 432 · Decided May 19, 1947 · Supreme Court of the United States

At a glance

United States v. Walsh was decided on May 19, 1947 by a vote of 8–1. The Court reversed the lower court's decision. Justice Frank Murphy wrote the opinion of the Court. SCDB classifies its main issue as “Consumer protection” in the Economic Activity area.

Read the opinion

• CourtListener (Free Law Project) — opinion text
• Library of Congress — official U.S. Reports scan

Case details

How the Justices voted

Full case caption

United States v. Walsh, Trading as Kelp Laboratories

SCDB identifiers: case 1946-105, docket 1946-105-01.

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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