Interactive Map: Laws in All 50 States. Click on a state for a summary of that state's laws affecting or impacting subrogation recoveries.Cozen O'Connor is the world's leading subrogation and recovery law firm. We founded our subrogation and recovery practice in 1970. You have no legal obligations to respond to a subrogation letter. Subrogation is an insurer's right to recover payments made to you under your insurance policy from a third party who is at fault for the loss. In subrogation, your insurance company files a claim against the at-fault driver to recover what it paid to you. Like any legal document, the subrogation letter can be confusing if you aren't familiar with the term or the process. Click here to learn more about it! It's the process where an insurance company steps into your shoes to recover funds from the party responsible for your injury.