A Practice Note explaining how a defendant in a circuit court civil case may assert a claim against a nonparty that is liable to the defendant for the plaintiff's claim. This Practice Note explains the nature of these third-party claims (also known as impleader) under Florida law and how to draft, serve, and file third-party complaints. This Note also addresses how to answer or otherwise respond to third-party claims, how to reply to third-party answers, and how to plead additional claims that may arise between the original plaintiff and the third-party defendant.