A party may move to strike or the court may strike redundant, immaterial, impertinent, or scandalous matter from any pleading at any time. Rule 1.140(b) mandates that a motion to strike insufficient legal defenses must be filed within 20 days after service of the answer or reply.A motion to strike a defense under Rule 1.140(b) must be brought within 20 days after service of the pleading. Fla. R. The motion must be filed within 20 days of the defendant's answer or pleading, which raises an insufficient defense. Fla. COMES NOW, Plaintiff, SUMTER COUNTY, FLORIDA, a political subdivision of the. (f) Motion to Strike. A party may move to strike or the court may strike redundant, immaterial, impertinent, or scandalous matter from any pleading at any time. It essentially initiates the lawsuit. Answer. The defendant (the party being sued) responds to the complaint with an answer. A party may reply to a response to a motion for summary judgment within fourteen days after service of the response.