Minn. Stat. § 185.11: RESTRAINING ORDERS OR INJUNCTIONS NOT ISSUED ON CERTAIN GROUNDS.

No court of the state shall have jurisdiction to issue a restraining order, or temporary or permanent injunction, upon the ground that any of the persons participating or interested in a labor dispute constitute or are engaged in an unlawful combination or conspiracy because of the doing in concert of the acts enumerated in section 185.10.