A motion for a more definite statement is designed to provide a party with a remedy when it is served with an unintelligible pleading. (e) Motion for a More Definite Statement.The motion must be made before filing a responsive pleading and must point out the defects complained of and the details desired. C. Motion to strike. (e) MOTION FOR A MORE DEFINITE STATEMENT. ) Plaintiff did not file a response to defendant's motion, but, instead, filed a "MOTION FOR MORE DEFINITE STATEMENT UNDER. The party may move for a more definite statement before filing a responsive pleading. The motion must be filed within 15 days of the pleading. In the alternative, defendants move for a more definite statement concerning some of the underlying facts and move to strike various factual contentions. Technically, this is improper, and these defenses may be subject to a motion to strike or demurrer under California law.