462 U.S. 393 (1983) Cited 657 times 11 Legal Analyses
Holding that the employer bears the burden of negating causation in a mixed-motive discrimination case, noting "[i]t is fair that [the employer] bear the risk that the influence of legal and illegal motives cannot be separated."
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
Sustaining the Board's finding that the employer's rule broadly prohibiting wage discussions was an unfair labor practice under § 8, reasoning that "wage discussions can be protected activity and that an employer's unqualified rule barring such discussions has the tendency to inhibit such activity"