Machinists v. Wisconsin Emp. Rel. Comm'n

Holding that state law is preempted where it would upset the congressionally defined balance of power between management and labor by regulating activity Congress deliberately left unregulated

Belknap, Inc. v. Hale

Holding that the NLRA does not preempt state law contract actions by replacement workers to enforce terms of an employment contract

American Ship Bldg. v. Labor Board

Holding that a lockout "for the sole purpose of bringing economic pressure to bear in support of [the employer's] legitimate bargaining position" is lawful

Nat'l Labor Relations Bd. v. Great Dane Trailers, Inc.

Holding that substantial evidence supported the Board's finding of discriminatory conduct as the Company failed to meet its burden of establishing legitimate motives for its conduct

Labor Board v. Erie Resistor Corp.

Upholding Board decision prohibiting employer from granting super-seniority to strike-breakers because "[s]uper-seniority renders future bargaining difficult, if not impossible"

Nat'l Labor Relations Bd. v. Fleetwood Trailer Co.

In Fleetwood Trailer, 389 U.S. 375, 88 S.Ct. 543, the Supreme Court was required to determine whether the employer violated the Act when it hired six new employees who had not previously worked for the company instead of six former strikers who had applied for reinstatement.

Labor Board v. Mackay Co.

Holding that an employer may replace striking workers with others to carry on business so long as the employer is not guilty of unfair labor practices

SCM Corp. v. Advance Business Systems & Supply Co.

Upholding a delay of three months where only prejudice shown was that the defendants could not recall details of the days in the distant past; no special circumstances

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

Sanchez v. City of Santa Ana