Union-union member disputes: Supreme Court decisions

Every U.S. Supreme Court decision from the 1946 through 2025 Terms that the Supreme Court Database classifies under the issue “Union-union member disputes,” part of the Unions area.

Legal provisions most often involved

All 36 decisions, newest first

• Dianne Knox v. Service Employees International Union
  567 U.S. 298Decided June 21, 20127–2Samuel A. Alito Jr.
• Air Line Pilots Association v. Joseph E. O'Neill
  499 U.S. 65Decided March 19, 19919–0John Paul Stevens
• International Organization of Masters v. Timothy A. Brown
  498 U.S. 466Decided February 20, 19919–0John Paul Stevens
• Lynn L. Breininger v. Sheet Metal Workers International Association Local Union No. 6
  493 U.S. 67Decided December 5, 19897–2William J. Brennan Jr.
• Sheet Metal Workers' International Assn. v. Lynn
  488 U.S. 347Decided January 18, 19898–0Thurgood Marshall
• Reed v. United Transportation Union
  488 U.S. 319Decided January 11, 19898–1William J. Brennan Jr.
• National Labor Relations Board v. International Brotherhood of Electrical Workers
  481 U.S. 573Decided May 18, 19876–3William J. Brennan Jr.
• West v. Conrail
  481 U.S. 35Decided April 6, 19879–0John Paul Stevens
• Pattern Makers' League of North America v. National Labor Relations Board
  473 U.S. 95Decided June 27, 19855–4Lewis F. Powell Jr.
• Local No. 82 v. Crowley
  467 U.S. 526Decided June 12, 19848–1William J. Brennan Jr.
• Delcostello v. International Brotherhood of Teamsters
  462 U.S. 151Decided June 8, 19837–2William J. Brennan Jr.
• Bowen v. United States Postal Service
  459 U.S. 212Decided January 11, 19835–4Lewis F. Powell Jr.
• Finnegan v. Leu
  456 U.S. 431Decided May 17, 19829–0Warren E. Burger
• International Brotherhood of Electrical Workers v. Foust
  442 U.S. 42Decided May 29, 19799–0Thurgood Marshall
• American Broadcasting Companies, Inc. v. Writers Guild of America
  437 U.S. 411Decided June 21, 19785–4Byron R. White
• Local 3489 v. Usery
  429 U.S. 305Decided January 12, 19776–3William J. Brennan Jr.
• Emporium Capwell Co. v. Western Addition Community Organization
  420 U.S. 50Decided February 18, 19758–1Thurgood Marshall
• Florida Power & Light Co. v. International Brotherhood of Electrical Workers
  417 U.S. 790Decided June 24, 19745–4Potter Stewart
• National Labor Relations Board v. Boeing Co.
  412 U.S. 67Decided May 21, 19736–3William H. Rehnquist
• Booster Lodge No. 405 v. National Labor Relations Board
  412 U.S. 84Decided May 21, 19739–0Per curiam
• National Labor Relations Board v. Granite State Joint Board
  409 U.S. 213Decided December 7, 19728–1William O. Douglas
• Trbovich v. United Mine Workers of America
  404 U.S. 528Decided January 17, 19726–1Thurgood Marshall
• Amalgamated Association of Street v. Lockridge
  403 U.S. 274Decided June 14, 19715–4John M. Harlan II
• Hodgson v. Local Union 6799
  403 U.S. 333Decided June 14, 19717–2Thurgood Marshall
• International Brotherhood of Boilermakers v. Hardeman
  401 U.S. 233Decided February 24, 19718–1William J. Brennan Jr.
• Czosek v. O'Mara
  397 U.S. 25Decided February 24, 19707–1Byron R. White
• Scofield v. National Labor Relations Board
  394 U.S. 423Decided April 1, 19697–1Byron R. White
• Wirtz v. Hotel
  391 U.S. 492Decided June 3, 19688–0William J. Brennan Jr.
• National Labor Relations Board v. Industrial Union of Marine & Shipbuilding Workers of America
  391 U.S. 418Decided May 27, 19688–1William O. Douglas
• Wirtz v. Local 153
  389 U.S. 463Decided January 15, 19688–0William J. Brennan Jr.
• Wirtz v. Local Union No. 125
  389 U.S. 477Decided January 15, 19688–0William J. Brennan Jr.
• National Labor Relations Board v. Allis-Chalmers Manufacturing Co.
  388 U.S. 175Decided June 12, 19675–4William J. Brennan Jr.
• Vaca v. Sipes
  386 U.S. 171Decided February 27, 19678–1Byron R. White
• Calhoon v. Harvey
  379 U.S. 134Decided December 7, 19648–1Hugo L. Black
• American Federation of Musicians of the United States and Canada v. Wittstein
  379 U.S. 171Decided December 7, 19647–0Byron R. White
• Radio Officers' Union of the Commercial Telegraphers Union v. National Labor Relations Board
  347 U.S. 17Decided February 1, 19547–2Stanley F. Reed

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