Wilmer Cutler Pickering Hale and Dorr LLP

105 Best Lawyers awards

Wilmer Cutler Pickering Hale and Dorr LLP logo

Awarded Practice Areas

Commercial Litigation Criminal Defense: White-Collar Litigation - Securities

Biography

Denise Tsai is a litigator with an emphasis on securities and financial services litigation, complex commercial disputes, and internal corporate and government investigations. Ms. Tsai has defended numerous corporations and their officers and directors against claims of breaches of fiduciary duty, fraud, and accounting issues, in matters before the Securities and Exchange Commission (“SEC”), the Department of Justice (“DOJ”), and other regulators, as well as in civil and criminal litigation. She has experience handling all phases of civil litigation including dispositive motion practice and preparing witnesses for depositions and trial, and has worked on winning trial and appellate teams. Ms. Tsai has also advised companies and secured successful resolutions in government investigations by the SEC, DOJ, the Financial Industry Regulatory Authority, and other federal and state regulators. Ms. Tsai also maintains a robust pro bono practice, particularly in assisting immigrants through the US naturalization process and in civil rights litigation.
Wilmer Cutler Pickering Hale and Dorr LLP

105 Best Lawyers awards

Wilmer Cutler Pickering Hale and Dorr LLP logo

Overview

  • Stanford University, J.D., graduated 2013
  • Amherst College, BA, Political Science, graduated 2007

  • Massachusetts, Massachusetts Bar Association

  • US Court of Appeals for the First Circuit
  • US Court of Appeals for the Eleventh Circuit
  • Massachusetts, Massachusetts Bar Association
  • Stanford University, J.D., graduated 2013
  • Amherst College, BA, Political Science, graduated 2007
  • US Court of Appeals for the First Circuit
  • US Court of Appeals for the Eleventh Circuit

Client Testimonials

Awards & Focus

Recognized in Best Lawyers: Ones to Watch® in America 2026 for work in:
  • Commercial Litigation
  • Criminal Defense: White-Collar
  • Litigation - Securities
Additional Areas of Practice:
  • Appellate Practice

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