Rules for District Courts of Oklahoma.
Rule 4.1. Time to Assert Various Claims.

A plaintiff may assert a claim against a thirdparty defendant within twenty days after service on him of a copy of the third-party petition. Thereafter he must obtain leave of court.

A third-party defendant may assert a claim against the plaintiff within twenty days after he has been served with a third-party petition. Thereafter he must obtain leave of court.

A party shall serve his reply to a counterclaim in an answer to a third-party petition or in an answer to a cross-claim within twenty days after service of the pleading containing the counterclaim.

Adopted by order of Oct. 30, 1984, eff. Nov. 1, 1984.