§ Rule 41.01 Voluntary Dismissal; Effect Thereof

Rule 41.01. Voluntary Dismissal; Effect Thereof

    (a) By Plaintiff by Stipulation. Subject to the provisions of Rules 23.05, 23.09 and 66, an action may be dismissed by the plaintiff without order of court (1) by filing a notice of dismissal at any time before service by the adverse party of an answer or of a motion for summary judgment, whichever first occurs, or (2) by filing a stipulation of dismissal signed by all parties who have appeared in the action. Unless otherwise stated in the notice of dismissal or stipulation the dismissal is without prejudice, except that a notice of dismissal operates as an adjudication upon the merits when filed by a plaintiff who has once dismissed in any court of the United States or of any state an action based on or including the same claim.

    (b) By Order of Court. Except as provided in clause (a) of this rule, an action shall not be dismissed at the plaintiff's instance except upon order of the court and upon such terms and conditions as the court deems proper. If a counterclaim has been pleaded by a defendant prior to the service upon the defendant of the plaintiff's motion to dismiss, the action shall not be dismissed against the defendant's objection unless the counterclaim may remain pending for independent adjudication by the court. Unless otherwise specified in the order, a dismissal herein is without prejudice.