International Union v. Johnson Controls, Inc.

499 U.S. 187 · Decided March 20, 1991 · Supreme Court of the United States

At a glance

International Union v. Johnson Controls, Inc. was decided on March 20, 1991 unanimously (9–0). The Court reversed the lower court's decision and remanded the case. Justice Harry A. Blackmun wrote the opinion of the Court. SCDB classifies its main issue as “Sex discrimination in employment” in the Civil Rights 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

International Union, United Automobile, Aerospace & Agricultural Implement Workers of America, UAW, et al. v. Johnson Controls, Inc.

SCDB identifiers: case 1990-048, docket 1990-048-01.

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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