A motion is an application to the court for a specific court order within the confines of an existing case. This video describes the grounds and general procedures to file a motion to strike a complaint in a Connecticut civil lawsuit.A demurrer is a sufficient response to the complaint and therefore default was properly denied. A demurrer under California law is a special type of motion which tests the sufficiency of the pleading. A motion to strike is filed in connection with a demurrer when it is necessary to strike a portion of a cause of action. A complaint an amended complaint a crosscomplaint an answer other (specify): in the abovetitled action. 2. Filing a motion to strike does not extend the time to file a demurrer. (e) Motions to Strike. Defendant's Preliminary Objections are in the form of a demurrer. A Motion to Strike is similar to a Demurrer, in that it challenges defects in the complaint.