(a) The plaintiff may, at any time before trial or hearing begins, upon notice to each party who has appeared or each such party’s attorney, and upon payment of costs, dismiss his or her action or any part thereof as to any defendant, without prejudice, by order filed in the cause.
     (b) The court may hear and decide a motion that has been filed prior to a motion filed under subsection (a) of this Section when that prior filed motion, if favorably ruled on by the court, could result in a final disposition of the cause.

Terms Used In Illinois Compiled Statutes 735 ILCS 5/2-1009

  • Affidavit: A written statement of facts confirmed by the oath of the party making it, before a notary or officer having authority to administer oaths.
  • Complaint: A written statement by the plaintiff stating the wrongs allegedly committed by the defendant.
  • Counterclaim: A claim that a defendant makes against a plaintiff.
  • Defendant: In a civil suit, the person complained against; in a criminal case, the person accused of the crime.
  • Dismissal: The dropping of a case by the judge without further consideration or hearing. Source:
  • Plaintiff: The person who files the complaint in a civil lawsuit.
  • Trial: A hearing that takes place when the defendant pleads "not guilty" and witnesses are required to come to court to give evidence.

     (c) After trial or hearing begins, the plaintiff may dismiss, only on terms fixed by the court (1) upon filing a stipulation to that effect signed by the defendant, or (2) on motion specifying the ground for dismissal, which shall be supported by affidavit or other proof.
     (d) A dismissal under subsection (a) of this Section does not dismiss a pending counterclaim or third party complaint.
     (e) Counterclaimants and third-party plaintiffs may dismiss upon the same terms and conditions as plaintiffs.