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
Holding that federal courts must defer to an intermediate state court's interpretation of state law, made in the very case under consideration, when the state supreme court has denied review
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
Holding that, when applying state law, this Court follows "the decision of the highest state court," or, in the absence of such a decision and any indication that the highest court would rule differently, "the decisions of the state's intermediate courts"
Providing that a person intentionally interferes with a lawful business carried on by the owner or agent of a business establishment open to the public "by obstructing or intimidating those attempting to carry on business, or their customers, and who refuses to leave the premises of the business establishment after being requested to leave ... by a peace officer acting at the request of the owner or the owner's agent"