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
Holding that no specific authorization was needed to show concerted activity where an employee had "almost from the beginning of his employment . . . discussed . . . problems with other employees" and made objections on behalf of other employees for their mutual aid or protection