The court must strike an unsigned paper unless the omission is promptly corrected after being called to the attorney's or party's attention. Fill in the page numbers, sign, and date.Complete the Motion. The motion shall point out the defects complained of and the details desired. The court may strike any caserelated correspondence filed in the court's docket that is not styled as a motion, stipulation, or notice. (f) Motion to Strike. Motion to strike (For example, motion to strike untimely production or untimely or improper expert report. However, if the motion to strike is. To ask the judge to set aside your default judgment, you must file a "motion" (a formal written request) with the court. Rule 12(f) provides that a court "may strike from a pleading an insufficient defense or any redundant, immaterial, impertinent, or scandalous matter."