MACGREGOR v. WESTINGHOUSE ELECTRIC & MANUFACTURING CO. (1947)

MACGREGOR v. WESTINGHOUSE ELECTRIC & MANUFACTURING CO.
	Term: 1946
Important Dates
	Argued: December 12, 1946
	Decided: January 6, 1947
Outcome
	Reversed and remanded
Vote
	5-4
Majority
	Hugo Black • William Douglas • Frank Murphy • Wiley Rutledge • Frederick Vinson
Dissenting
	Harold Burton • Felix Frankfurter • Robert Jackson • Stanley Reed

MACGREGOR v. WESTINGHOUSE ELECTRIC & MANUFACTURING CO. is a case that was decided by the Supreme Court of the United States on January 6, 1947. The case was argued before the court on December 12, 1946.

In a 5-4 ruling, the U.S. Supreme Court reversed the ruling of the lower court and remanded the case for further proceedings consistent with the Court's opinion. The case originated from the Pennsylvania State Trial Court.

For a full list of cases decided in the 1940s, click here. For a full list of cases decided by the Vinson Court, click here.

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About the case

Subject matter: Economic Activity - Patents and copyrights: patent
Petitioner: Holder of a license or permit, or applicant therefor
Petitioner state: Unknown
Respondent type: Inventor, patent assigner, trademark owner or holder
Respondent state: Unknown
Citation: 329 U.S. 402
How the court took jurisdiction: Rehearing or restored to calendar for reargument
What type of decision was made: Opinion of the court (orally argued)
Who was the chief justice: Frederick Vinson
Who wrote the majority opinion: Hugo Black

These data points were accessed from The Supreme Court Database, which also attempts to categorize the ideological direction of the court's ruling in each case. This case's ruling was categorized as liberal.