A motion under Rule 12(b)(6), like the traditional demurrer, tests the legal sufficiency of the complaint, counterclaim, or crossclaim. A motion under Rule 12(b)(6), like the traditional demurrer, tests the legal sufficiency of the complaint, counterclaim, or cross-claim.The court may allow a party to whose pleadings a demurrer has been filed to amend, upon terms, within such time as it orders. Thus, a motion to strike is typically filed with a demurrer when the moving party wishes to eliminate a claim for damages. A motion to strike is used to carve out parts of a lawsuit that are not appropriate. For example, there might be an an unsupported claim for attorney fees. Tells the court that the other side refused to discuss the case with you regarding your intention to file a demurrer, motion to strike, or motion for judgment. The Court is going to issue another Order addressing a Motion to Strike (probably a Motion to Strike your Demurrer). Or just file it before the hearing. (Under Code Civ. Proc.