Any party, within the time allowed to respond to a pleading may serve and file a notice of motion to strike the whole or any part thereof. In California family law, motions to strike are generally filed to request the court to remove certain parts of the opposing party's pleadings.A motion to strike is commonly used during discovry as a means of excluding evidence such as affidavits, documents, and testimony. A motion to strike is a request to a judge that part of a party's pleading or a piece of evidence be removed from the record. The court may strike the pleading or issue any other appropriate order. (f) MOTION TO STRIKE. If no responsive pleading is permitted, a motion to strike must be made within 21 days after being served with the pleading. Yes, it is common practice to file a Proposed Order along with your Opposition to Demurrer and your Opposition to Motion to Strike in California courts. The United States respectfully submits this Partial Joinder in Texas's Motion to Strike or for. II. California Imposes Economic Sanctions on.