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).With respect to class actions, the parties' tentative views on an appropriate deadline for a class certification motion to be filed. A motion to strike, like a demurrer, challenges the legal sufficiency of the complaint's allegations, which are assumed to be true. Forms and samples for commonly filed documents in the Court of Appeal and superior courts. Leave to add, strike out, or correct the name of a party may be sought on ex parte application. This chapter describes your options for responses and gives guidance for completing the forms. If you are charged with any felony crime that could result in a strike, it's highly recommended to work with an experienced Riverside criminal defense attorney. For example, you could argue that the plaintiff should lose because they filed the lawsuit after the deadline (statute of limitations). So you will want to talk to a clerk in the judge's chambers to see if you need special permission to file a motion of that size.