369 U.S. 736 (1962) Cited 710 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"
397 U.S. 99 (1970) Cited 222 times 2 Legal Analyses
Holding that the NLRB is "without power to compel a company or a union to agree to any substantive contractual provision of a collective-bargaining agreement."
375 U.S. 405 (1964) Cited 213 times 1 Legal Analyses
Holding that the Act “prohibits not only intrusive threats and promises but also conduct immediately favorable to employees which is undertaken with the express purpose of impinging upon their freedom of choice for or against unionization and is reasonably calculated to have that effect.”