Preliminary injunction

an interlocutory injunction issued before a trial for purposes of preventing the defendant from acting in a way that will irreparably harm the plaintiff’s ability to enforce his or her rights at the trial  called also temporary injunction; compare temporary restraining order at order

NOTE: Before a preliminary injunction can be issued, there must be a hearing with prior notice to the defendant. Under Federal Rule of Civil Procedure 65, the hearing and the trial may be consolidated.