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Securities Litigation

For decades, clients have relied on our securities litigators in the most complex, high-profile, high-stakes securities matters of the day. The country’s most respected Fortune 500 corporations and financial institutions turn to us to help defend against headline-making allegations.

Band 1
Securities Litigation: Nationwide
Chambers USA
2010-2022

Simpson Thacher is go-to counsel for companies, officers, directors, boards and special committees in connection with securities fraud and 10b-5 matters, responding to shareholder demands, handling derivative litigations, and investigations. We advise clients in all aspects of M&A litigation—where we excel at defending challenges to the largest and most complex mergers and acquisitions.

We also represent clients in government investigations that precede or follow on the heels of securities fraud litigation.

“Pinnacle of the profession. As good as it gets in complex securities cases.”
The Legal 500 U.S. 2022, quoting a source

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      Publications

        Spotlight on
        Litigation Leaders: Simpson Thacher’s Jonathan Youngwood on Building a High Talent, Low Ego Litigation Culture
        Spotlight on
        Simpson Thacher Recognized with Impact Case Award at Benchmark Litigation Awards 2021
        Spotlight on
        Stephen Blake Profiled in Law360 as a “Rising Star” in Securities
        Spotlight on
        Simpson Thacher Honored as Securities Litigation Firm of the Year for Third Consecutive Year
        Spotlight on
        Securities Law Alert Resource Center