Dismissal of counterclaim, cross-claim, or third-party complaint

Dismissal of counterclaim, cross-claim or third-party complaint (Rule 17, Sec. 4.): The provisions of this Rule shall apply to the dismissal of any counterclaim, cross-claim, or third-party complaint. A voluntary dismissal by the claimant by notice as in section 1 of this Rule, shall be made before a responsive pleading or a motion for summary judgment is served or, if there is none, before the introduction of evidence at the trial or hearing.