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. 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. Includes sender and recipient details, dispute description, settlement demand, deadline, and governing law. What is a letter of intent to sue a civil action? I am writing to formally notify you of my intent to commence legal action against you due to. If your attempts to settle the matter informally fail, follow up with a demand letter. A Letter of Intent (LOI) is the first step in the CON application process. Contract between the tenant and landlord, transferring possession and use of the rental property. (See sample Residential Lease.