359 U.S. 236 (1959) Cited 2,558 times 33 Legal Analyses
Holding that "the States as well as the federal court must defer to the exclusive competence of the National Labor Relations Board" if "an activity is arguably subject to ยง 7 or ยง 8 of the [NLRA]"
436 U.S. 180 (1978) Cited 554 times 4 Legal Analyses
Holding that both state and federal courts must defer to the National Labor Relations Board when an activity is arguably protected under ยง 7 or prohibited by ยง 8 of the NLRA
476 U.S. 380 (1986) Cited 319 times 2 Legal Analyses
Holding that where "a state court . . . ha no subject matter jurisdiction to adjudicate the issue . . ., any judgment issued by the state court will be void ab initio"
404 U.S. 138 (1971) Cited 163 times 2 Legal Analyses
Holding that board's attempt to "enjoin" or "restrain" state court injunction fell within exception of 28 U.S.C. ยง 2283, which forbids court from granting "an injunction to stay" such proceedings unless otherwise authorized
Observing that generally it will be easier to communicate with a specific number of discrete employees than with potential customers of a large retail store
In N.L.R.B. v. A. Duie Pyle, Inc., 730 F.2d 119 (3d Cir. 1984), this Court reaffirmed the well-established principle that an error urged by respondent may not be considered by this Court if respondent failed to raise the issue before the Board.