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Insurance and Reinsurance

The largest insurance and reinsurance companies in the world count on us for our industry experience and our record of demonstrated excellence. Simpson Thacher is “a market leader for insurer representation” declared Chambers USA 2024. “The team is top notch and incredibly strategic in its decision making and execution of its legal services,” stated a Legal 500 2024 source.

Insurance Firm of the Year
2013-2019, 2021-2022, 2024 – Benchmark Litigation

Through our litigation of the most significant cases of the last quarter-century, we are unsurpassed in helping to establish the controlling U.S. precedents in insurance and reinsurance case law. We have prevailed on issues involving:

  • Duty to defend
  • Fortuity
  • Number of occurrences
  • Allocation
  • Trigger of coverage
  • Pollution and other exclusions
  • Insurer rights in policyholders’ bankruptcy
  • Follow-the-fortunes
  • Antitrust and trade practice challenges to insurer conduct

We also are a leader in capital-raising in the insurance sector, and our insurance industry clients turn to us for advice on their most important mergers and acquisitions.


Department of the Year
Insurance Litigation Department of the Year – New York Law Journal 2024

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        Spotlight on
        Insurance Law Alert Resource Center
        Spotlight on
        Simpson Thacher Named Insurance Litigation Department of the Year by NYLJ for Fourth Time
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        Simpson Thacher Named National Insurance Firm of the Year by Benchmark Litigation for Tenth Time
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        Simpson Thacher Named a Law360 Insurance “Practice Group of the Year” for 2023
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        Simpson Thacher Named Finalist for The American Lawyer’s Insurance Litigation Department of the Year 2021
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        Bryce Friedman Named a 2020 “MVP” in Insurance by Law360