A letter of intent to sue (with settlement demand) notifies an individual that the sender intends to file a lawsuit against them. Write an effective intent to sue letter.Download a letter of intent to sue (with settlement demand) to inform a defendant that you will sue if they don't pay a settlement amount. The intent letter should include your demand amount. I would begin with a demand letter. In this article, we discuss how to write a demand letter, what to include in a demand letter, and provide demand letter templates. Includes sender and recipient details, dispute description, settlement demand, deadline, and governing law. What is a letter of intent to sue a civil action? Fill out a simple, secure Demand Letter questionnaire, and Fast Legal Form filing handles all the legal form filing work.