United Mine Workers of America v. Gibbs

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United Mine Workers of America v. Gibbs
Supreme Court of the United States
Argued January 20, 1966 Decided March 28, 1966
Full case name	United Mine Workers of America v. Gibbs
Citations	383 U.S. 715 (more) 86 S.Ct. 1130, 16 L. Ed. 2d 218; 1966 U.S. LEXIS 2837
Case history
Prior	Gibbs v. United Mine Workers of Am., 220 F. Supp. 871 (E.D. Tenn. 1963); affirmed, 343 F.2d 609 (6th Cir. 1965); cert. granted, 382 U.S. 809 (1965).
Holding
In order for a United States district court to have pendent jurisdiction over a state-law cause of action, state and federal claims must arise from the same "common nucleus of operative fact" and the plaintiff must expect to try them all at once.
Court membership
Chief Justice Earl Warren Associate Justices Hugo Black · William O. Douglas Tom C. Clark · John M. Harlan II William J. Brennan Jr. · Potter Stewart Byron White · Abe Fortas
Case opinions
Majority	Brennan, joined by Black, Douglas, Stewart, White, Fortas
Concurrence	Harlan, joined by Clark
Warren took no part in the consideration or decision of the case.
Laws applied
U.S. Const., Art. III § 2; Labor-Management Relations Act

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United Mine Workers of America v. Gibbs

United Mine Workers of America v. Gibbs, 383 U.S. 715 (1966), was a case in which the Supreme Court of the United States held that in order for a United States district court to have pendent jurisdiction over a state-law cause of action, state and federal claims must arise from the same "common nucleus of operative fact" and the plaintiff must expect to try them all at once.^[1] This case was decided before the existence of the current supplemental jurisdiction statute, 28 U.S.C. § 1367.^[2]