Create a professional Letter of Intent to Sue (demand letter) with our free online template. This formal notice informs a party that legal action will be pursued unless a dispute is resolved. It outlines the nature of the grievance, the legal basis for the claim, the damages sought, and a deadline for response or settlement. Sending a demand letter before filing a lawsuit is often required or recommended, and it demonstrates good faith in attempting to resolve the matter. Fill out guided fields, preview in real time, and download as PDF or Word. Includes electronic signature support. Valid in all US states.