Interactive Map: Laws in All 50 States. Click on a state for a summary of that state's laws affecting or impacting subrogation recoveries.Users are urged to confirm that the cited law remains current and consult with counsel on specific legal questions. Cozen O'Connor is the world's leading subrogation and recovery law firm. We founded our subrogation and recovery practice in 1970. Identify, investigate, recover and prevent payments linked to accident-related medical and disability claims with Optum Subrogation Services. Our San Jose Subrogation services are your resource center for recovery. A Subrogation Letter should clearly state the facts of the case, including details of the incident (e.g. Our subrogation services help clients recover millions on claims each year with a focus on making responsible third parties pay fair compensation. The opinion confirms the established principle that an insurer may not sue an insured to recover money paid for the risk that the insurer promised to insure.