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California v. Zook

336 U.S. 725 · Decided April 25, 1949 · 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

California v. Zook was decided on April 25, 1949 by a vote of 5–4. The Court reversed the lower court's decision. Justice Frank Murphy wrote the opinion of the Court. SCDB classifies its main issue as “State or local business regulation” in the Economic Activity area.

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Case details

Citations
336 U.S. 725 · 69 S. Ct. 841 · 93 L. Ed. 2d 1005 · 1949 U.S. LEXIS 2926
Docket number
355
Decided
April 25, 1949
Argued
February 8, 1949
Court era
Vinson Court
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
5–4
Majority opinion
Frank Murphy
Opinion assigned by
Fred M. Vinson
How the case arrived
Certiorari
Legal provision
Article I, Section 8, Paragraph 3 (interstate commerce clause)
Type of law
Constitution
Decision direction (SCDB)
Liberal what this means

How the Justices voted

Full case caption

California v. Zook et al.

SCDB identifiers: case 1948-070, docket 1948-070-01.

Other cases on “State or local business regulation”

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Cases on the same legal provision: Article I, Section 8, Paragraph 3 (interstate commerce clause)

Same Term, same area (Economic Activity)

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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