U.S. Court of Appeals for the Sixth Circuit
Amerisure Mutual Insurance Co v. Swiss Reinsurance America Corp
This writing
- Type
- Opinion
- Author
- Richard Allen Griffin
- Filed
- Nov. 4, 2025
- Case
- Amerisure Mutual Insurance Co v. Swiss Reinsurance America Corp
- Case status
- Decided
Opening text
The first passage of the document, as extracted by the source provider.
NOT RECOMMENDED FOR PUBLICATION File Name: 25a0518n.06 No. 24-1492 UNITED STATES COURT OF APPEALS FOR THE SIXTH CIRCUIT FILED Nov 04, 2025 AMERISURE MUTUAL INSURANCE ) KELLY L. STEPHENS, Clerk COMPANY, fka Michigan Mutual Insurance ) ) Company, ) Plaintiff-Appellant, ) ON APPEAL FROM THE ) UNITED STATES DISTRICT v. ) COURT FOR THE EASTERN ) DISTRICT OF MICHIGAN SWISS REINSURANCE AMERICA ) CORPORATION, ) OPINION Defendant-Appellee. ) ) ) Before: MOORE, GRIFFIN, and RITZ, Circuit Judges. GRIFFIN, Circuit Judge. This appeal concerns whether collateral estoppel precludes plaintiff Amerisure Mutual Insurance Company from litigating an issue in federal court that was previously decided against it in an arbitration between Amerisure and one of its reinsurance providers, Allstate. Now, under identical reinsurance policy provisions at issue in that arbitration, Amerisure seeks a declaratory judgment to recover defense costs from a different reinsurance provider, defendant Swiss Reinsurance America Corporation (“Swiss Re”), arguing that it is not estopped from litigating the same issue because Swiss Re was not a party to the arbitration. The district court disagreed and granted summary judgm…
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