Allied Chemical & Alkali Workers of America v. Pittsburgh Plate Glass Co.

404 U.S. 157 · Decided December 6, 1971 · Supreme Court of the United States

At a glance

Allied Chemical & Alkali Workers of America v. Pittsburgh Plate Glass Co. was decided on December 6, 1971 by a vote of 6–1. The Court affirmed the lower court's decision. Justice William J. Brennan Jr. 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

Full case caption

Allied Chemical & Alkali Workers of America, Local Union No. 1 v. Pittsburgh Plate Glass Co., Chemical Division, et al.

SCDB identifiers: case 1971-019, docket 1971-019-01.

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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