369 U.S. 736 (1962) Cited 712 times 29 Legal Analyses
Holding that "an employer's unilateral change in conditions of employment under negotiation" is a violation of the National Labor Relations Act because "it is a circumvention of the duty to negotiate"
440 U.S. 301 (1979) Cited 228 times 20 Legal Analyses
Holding that a union's request for employee aptitude tests was relevant to its claim, but employer's interest in preserving confidentiality was also legitimate, and disclosing the information only upon the employee's written consent was a reasonable accommodation
437 U.S. 556 (1978) Cited 196 times 13 Legal Analyses
Holding that a newsletter that "urg[ed] employees to write their legislators to oppose incorporation of the state 'right-to-work' statute into a revised state constitution," "criticiz[ed] a Presidential veto of an increase in the federal minimum wage and urg[ed] employees to register to vote" was protected concerted activity
381 U.S. 676 (1965) Cited 243 times 2 Legal Analyses
Finding a marketing hours limitation contained in a multiemployer contract exempt from antitrust liability because its purpose was to protect the wages, hours, and working conditions of the union's members
Holding that the lawyer client relationship begins with the preliminary consultation "with a view to retention of the lawyer, although actual employment does not result."