Subrogation occurs when a party assumes the legal rights of another party. If an insurance company filed a subrogation claim for property damage against you, a skilled property damage attorney could can help you.Customize the letter template with your personalized artwork and contact information. Procedures to follow when filing a claim: City Secretary's Office City of Houston Post Office Box 1562 Houston, Texas 77251-1562 Facsimile No.: 832.393.1109 Cozen O'Connor is the world's leading subrogation and recovery law firm. We founded our subrogation and recovery practice in 1970. A waiver of subrogation is a legal endorsement that prevents an insurer from recovering the money they've paid out on a claim from a negligent third party. All types of insurance claims and policies can involve subrogation. The best way to overcome an innate inability to recognize third-party tort liability is training. When the subrogation rights had no value.