Labor Board v. Katz

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"

Nat'l Labor Relations Bd. v. J. Weingarten, Inc.

Holding that an employer commits an unfair labor practice by compelling an employee to attend an investigatory meeting that could lead to discipline without allowing the employee to bring a union witness

Detroit Edison Co. v. Nat'l Labor Relations Bd.

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

Nat'l Labor Relations Bd. v. Acme Industrial Co.

Approving "discovery-type standard"

Labor Board v. Walton Mfg. Co.

Explaining that the deferential standard of review is appropriate because the "[the ALJ] ... sees the witnesses and hears them testify, while the Board and the reviewing court look only at cold records"

Republic Aviation Corp. v. Board

Finding an absence of special circumstances where employer failed to introduce evidence of "unusual circumstances involving their plants."

N.L.R.B. v. Wright Line, a Div. of Wright Line, Inc.

Holding that the "but for" test applied in a "mixed motive" case under the National Labor Relations Act

Labor Board v. Truitt Mfg. Co.

Holding that the duty to produce information relevant to a bargaining issue is derivative from the broader statutory duty to bargain in good-faith

Vanguard Fire Supply Co., Inc. v. N.L.R.B

San Diego Newspaper Guild, Etc. v. N.L.R.B

Rejecting a union's claim for information when the CBA was not up for renewal for two years and there was no evidence of contract negotiations