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Dean Milk Co. v. City of Madison

340 U.S. 349 · Decided January 15, 1951 · 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

Dean Milk Co. v. City of Madison was decided on January 15, 1951 by a vote of 6–3. The Court reversed the lower court's decision. Justice Tom C. Clark wrote the opinion of the Court. SCDB classifies its main issue as “State or local business regulation” in the Economic Activity area. SCDB records that the Court declared a municipal or other local ordinance unconstitutional.

Read the opinion

Case details

Citations
340 U.S. 349 · 71 S. Ct. 295 · 95 L. Ed. 2d 329 · 1951 U.S. LEXIS 2251
Docket number
258
Decided
January 15, 1951
Argued
December 7, 1950
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
6–3
Majority opinion
Tom C. Clark
Opinion assigned by
Fred M. Vinson
How the case arrived
Appeal
Legal provision
Article I, Section 8, Paragraph 3 (interstate commerce clause)
Type of law
Constitution
Held unconstitutional
A municipal or other local ordinance
Decision direction (SCDB)
Conservative what this means

How the Justices voted

Full case caption

Dean Milk Co. v. City of Madison et al.

SCDB identifiers: case 1950-029, docket 1950-029-01.

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