Automobile Workers v. O'BrienAnnotate this Case
339 U.S. 454 (1950)
U.S. Supreme Court
Automobile Workers v. O'Brien, 339 U.S. 454 (1950)
International Union of United Automobile
Workers of America, CIO v. O'Brien
Argued March 30, 1950
Decided May 8, 1950
339 U.S. 454
The strike vote provisions of the Michigan labor mediation law, Mich.Comp.Laws, 1948, §§ 423.1 et seq., which prohibit the calling of a strike unless a state-prescribed procedure for mediation is followed and unless a majority of the employees in a state-defined bargaining unit authorizes the strike in a state-conducted election, conflict with the National Labor Relations Act, as amended by the Labor Management Relations Act, 1947, and are invalid under the Commerce Clause of the Federal Constitution. Pp. 339 U. S. 455-459.
325 Mich. 250, 38 N.W.2d 421, reversed.
In a suit by appellants to enjoin possible criminal prosecution for a violation of Mich.Comp.Laws, 1948, §§ 423.1 et seq., a Michigan trial court held those sections invalid under the Federal Constitution. The Supreme Court of Michigan reversed. 325 Mich. 250, 38 N.W.2d 421. On appeal to this Court, reversed, p. 339 U. S. 459.
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