Justices Won’t Review Minnesota Court Ruling On Firm’s Interference Lawsuit Against Union

The U.S. Supreme Court March 1 declined to review a Minnesota Supreme Court decision that a construction contractor’s state law lawsuit alleging contract interference and unfair competition by a Plumbers and Pipe Fitters local was preempted by the National Labor Relations Act (Midwest Pipe Insulation Inc. v. Minneapolis Pipefitters Union, Local 539).

Midwest Pipe Insulation Inc. alleged that Plumbers and Pipe Fitters Local 539 in Minneapolis improperly threatened to rescind a mechanical contractor’s “market recovery” grant if the company subcontracted work to Midwest Pipe, but the Minnesota court found the allegations against the union appeared to describe activity ...