519 U.S. 316 (1997) Cited 741 times 11 Legal Analyses
Holding that ERISA did not pre-empt a California statute that incentivized, but did not require, plans to follow certain standards for apprenticeship programs
359 U.S. 236 (1959) Cited 2,569 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 § 7 or § 8 of the [NLRA]"
373 U.S. 132 (1963) Cited 1,582 times 4 Legal Analyses
Holding federal regulation concerning maturity of avocados did not preempt California regulation, where it was not impossible for growers to comply with both regulations
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 § 7 or prohibited by § 8 of the NLRA
427 U.S. 132 (1976) Cited 465 times 17 Legal Analyses
Holding that state law is preempted where it would upset the congressionally defined balance of power between management and labor by regulating activity Congress deliberately left unregulated
476 U.S. 380 (1986) Cited 320 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"
502 U.S. 527 (1992) Cited 156 times 18 Legal Analyses
Holding that Board erred in finding that employer should have allowed union on its premises because it had no other way to reach its target audience, inasmuch as in reaching its decision the Board misconstrued prior Supreme Court precedent
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. § 2283, which forbids court from granting "an injunction to stay" such proceedings unless otherwise authorized