H. K. Porter Co., Inc. v. National Labor Relations Board

397 U.S. 99 · Decided March 2, 1970 · Supreme Court of the United States

At a glance

H. K. Porter Co., Inc. v. National Labor Relations Board was decided on March 2, 1970 by a vote of 4–2. The Court reversed the lower court's decision and remanded the case. Justice Hugo L. Black wrote the opinion of the Court. SCDB classifies its main issue as “Labor-management bargaining” in the Unions area.

Read the opinion

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

Case details

How the Justices voted

Did not participate: Byron R. White, Thurgood Marshall.

Full case caption

H. K. Porter Co., Inc., Disston Division-Danville Works v. National Labor Relations Board et al.

SCDB identifiers: case 1969-050, docket 1969-050-01.

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Cases on the same legal provision: National Labor Relations Act

• International Longshoremen's Association v. Ariadne Shipping Co., Ltd.
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Same Term, same area (Unions)

• Detroit & Toledo Shore Line Railroad Co. v. United Transportation Union
  396 U.S. 142Decided December 9, 19696–2Hugo L. Black
• Czosek v. O'Mara
  397 U.S. 25Decided February 24, 19707–1Byron R. White
• National Labor Relations Board v. Raytheon Co.
  398 U.S. 25Decided May 18, 19708–0Thurgood Marshall
• Boys Markets, Inc. v. Retail Clerks UnionAltered precedent
  398 U.S. 235Decided June 1, 19705–2William J. Brennan Jr.
• Atlantic Coast Line Railroad Co. v. Brotherhood of Locomotive Engineers
  398 U.S. 281Decided June 8, 19705–2Hugo L. Black

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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