465 U.S. 822 (1984) Cited 206 times 9 Legal Analyses
Holding that a "lone employee's invocation of a right grounded in his collective-bargaining agreement is . . . a concerted activity in a very real sense" because the employee is in effect reminding his employer of the power of the group that brought about the agreement and that could be reharnessed if the employer refuses to respect the employee's objection
In Florida Power Light Co. v. IBEW, Local 641, 417 U.S. 790, 804-05, 94 S.Ct. 2737, 2744-45, 41 L.Ed.2d 477 (1974), the Supreme Court held that no § 8(b)(1)(B) violation occurs unless the disciplined conduct adversely affects the performance of his or her § 8(b)(1)(B) duties.
In American Broadcasting Cos. v. Writers Guild, West, Inc., 437 U.S. 411 (1978) (ABC), the Court found that discipline imposed on grievance-handling supervisors who crossed union picket lines violated § 8(b)(1)(B), even though the supervisor-members did not adjust grievances for the striking employees, but only for employees whom the striking union did not represent or desire to represent.