Simpson Thacher’s litigation department is among the largest and most active in New York City, the Firm’s headquarters. The Firm’s litigation practice encompasses every type of complex litigation, including antitrust, insurance and reinsurance, intellectual property, product liability and mass tort, securities, mergers and acquisitions, labor and employment, and other commercial litigation for U.S. and non-U.S. clients.

The Firm also has an active practice in international dispute resolution on behalf of United States and multinational companies, including significant international arbitrations.

The Firm's diverse litigation practice serves many regular clients of the Firm as well as those who come to the Firm solely for its litigation capabilities. These clients include major U.S. and non-U.S. corporations, commercial banks, investment banks, merchant banks and insurance companies.

With over 300 of the Firm's lawyers in the litigation department, our strength, and a substantial part of our success, lies in rigorously preparing each case on the assumption that it will be tried, either in court or in an alternative forum.