A motion to dismiss is a formal request (usually in a written motion) asking the court to dismiss a lawsuit or case for one of the reasons described in the relevant state or federal rule of civil procedure.

A motion to dismiss is usually filed in the early stages of the litigation and may be required before the party files any other pleading. Some of the common bases on which a case may be dismissed by the court include: (1) statute of limitations expired; (2) lack of subject-matter jurisdiction; (3) lack of personal jurisdiction; (4) improper venue; (5) insufficient process; (6) insufficient service of process; (7) failure to state a claim upon which relief can be granted; and (8) failure to join a party.

In Wyoming, a motion to dismiss is governed by the Wyoming Rules of Civil Procedure, particularly Rule 12. This rule allows a defendant to request the court to dismiss a case on various grounds, such as lack of jurisdiction, improper venue, failure to state a claim upon which relief can be granted, and others as listed. The motion to dismiss is typically filed after the complaint is served and before the filing of an answer or other responsive pleading. If the motion is granted, the case is dismissed and closed without a trial. If the motion is denied, the case proceeds. It's important to note that specific time frames and procedures must be followed when filing a motion to dismiss, and failure to adhere to these can affect the outcome of the motion. An attorney can provide guidance on the strategic use of a motion to dismiss and ensure compliance with the applicable rules.