Enclosed please find a claim form for you to complete and return to us. Please note this is a General.A Subrogation Letter should clearly state the facts of the case, including details of the incident (e.g. If an insurance company filed a subrogation claim for property damage against you, a skilled property damage attorney could can help you. Here is everything you need to know about subrogation claims, a type of thirdparty claim. How Long the Process Takes. Simply put, subrogation insurance protects you and your insurer from paying for losses that aren't your fault. Cozen O'Connor is the world's leading subrogation and recovery law firm. We founded our subrogation and recovery practice in 1970. Subrogation is a legal action that an insurance company (the insurance carrier) takes to recoup the funds paid out in a claim from the atfault party.