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Clifford Chance

Clifford Chance
Mary Jane Yoon

Mary Jane Yoon


Mary Jane Yoon

Mary Jane Yoon represents clients in complex commercial litigation and government investigations. She has represented corporations undergoing investigation by the Financial Industry Regulatory Authority, the Department of Justice, and the New York Office of the Attorney General, among others. 

Mary Jane has also represented corporations and individuals in commercial litigation involving shareholder disputes, contract disputes, fraud, and accounting malpractice.

  • Representing global investment manager in connection with investigation of potential insider trading
  • Represented consumer goods manufacturer in defense of putative class action alleging FCRA violation, which was dismissed with prejudice in the SDNY
  • Second-chaired and won bench trial in the District of Connecticut in representation of broadcast network in shareholder dispute
  • Represented financial institution in investigation by, and settlement with, the New York Office of the Attorney General for purported violation of New York General Business Law

News and client work

View all news and client work featuring Mary Jane Yoon

Contact details

2022 Predictions on Artificial Intelligence from Mary Jane Yoon

What's next for Artificial Intelligence and Web 3.0? Counsel Mary Jane Yoon shares her predictions for 2022.

Career and qualifications

  • Yale University (BA) 2008
  • Columbia University School of Law (JD) 2011
  • Admitted Attorney-at-Law in New York 2013

Professional bodies

  • International Association of Korean Lawyers, Regional Governor (NY)