Motion and Ex Parte Motion. A motion to strike a complaint or cross-complaint must be brought within thirty (30) days of service of summons.CCP § 412.20 (a)(3). This HowTo Guide addresses the steps for filing and serving motions in general civil cases in Contra Costa County Superior Court. In California family law, motions to strike are generally filed to request the court to remove certain parts of the opposing party's pleadings. 24 Motion to Strike Punitive Damages 313. Thus, in ruling on a motion to compel arbitration, the court must first determine whether the parties actually agreed to arbitrate the dispute,. " The court found the motion to strike was moot. Demurrer (the facts stated in the complaint are wrong, or the deadline to file the lawsuit has passed);. 2. (You must use the party names as they appear in the petition that was originally filed with the court).