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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
2010-2020

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.

“Clients appreciate the firm’s strong trial capability and the breadth of its practice in both litigation and regulatory enforcement matters.”
The Legal 500 United States 2020

News & Events

    Publications

      Spotlight on
      Jonathan Youngwood Profiled in Law360 as an “MVP” in Class Actions
      Spotlight on
      Simpson Thacher Honored as Securities Litigation Firm of the Year for Third Consecutive Year
      Spotlight on
      Simpson Thacher Named 2017 and 2019 Finance Litigation Department of the Year by NYLJ
      Spotlight on
      Securities Law Alert Resource Center