You may file a complaint with the Department of Insurance. For a property damage claim you should submit two written itemized estimates attached on company letterhead or an itemized paid invoice with proof of payment.Liability claims result from someone's negligence. For example, a car crash allows the injured victim to file a claim with the negligent driver's insurer. Let Staver Accident Injury Lawyers explain your rights and how to prove liability in a personal injury case. Free Consults: (312) 236-2900. If your insurance company refuses to defend you in a claim, our Chicago third-party liability lawyer is here. Call for a free initial consultation! Under the FTCA, the federal government acts as a self-insurer, and recognizes liability for the negligent or wrongful acts or omissions of its employees. Experienced Chicago Insurance Claim Lawyer focused on helping clients secure fair settlements.