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ProfessionalsAlex Young K. Oh

Alex Young K. Oh

Tel: +1-202-223-7334
Fax: +1-202-204-7375


2001 K Street, NW
Washington, DC 20006-1047
Fax: +1-202-204-7375

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Bar Admissions 

Co-chair of the Anti-Corruption & FCPA Practice Group, Alex Oh has an extensive white collar defense and regulatory investigations practice focusing on the Foreign Corrupt Practices Act, as well as on securities and accounting fraud issues; Alex also conducts cross-border internal investigations for multinational corporations; and regularly counsels Fortune 100 companies on compliance matters.

Prior to joining Paul, Weiss, Alex served for nearly four years as an assistant U.S. attorney in the Criminal Division of the U.S. Attorney's Office for the Southern District of New York. During her tenure, she was a member of the Securities & Commodities Fraud Task Force and the Major Crimes Unit, and was the lead prosecutor in high-profile accounting and securities fraud prosecutions. Alex was the lead trial lawyer in numerous jury trials during her tenure as a prosecutor.


An experienced trial lawyer, Alex has tried numerous criminal and civil jury and bench trials in federal and state courts, and also has argued in numerous courts of appeals throughout the country. Alex also regularly represents Fortune 100 clients in investigations conducted by the U.S. Department of Justice, the Securities and Exchange Commission, FINRA and other state and federal regulatory authorities. Additionally, Alex has conducted numerous high-profile internal investigations on behalf of special and audit committees of the board of directors of public corporations.

Key FCPA, white collar defense and investigations matters include:

  • Representation of a global specialty chemical company in a joint Department of Justice and SEC investigation of potential violations of the Foreign Corrupt Practices Act, which ended in declinations from both agencies;
  • Representation of a publicly-listed global energy company in a SEC investigation of potential violation of the Foreign Corrupt Practices Act;
  • Representation of a large semi-conductor company in a SEC investigation of potential violations of securities laws;
  • Representation of a large international trading company in an investigation conducted by a multi-lateral development bank of potential corruption issues;
  • Representation of Bank of America in litigation and investigations arising out of its merger with Merrill Lynch;
  • Representation of a major financial institution in connection with a Congressional investigation of offshore tax shelters;
  • Representation of a multi-national company in an international corruption investigation;
  • Representation of a global consumer products company in an internal investigation into potential fraud at a subsidiary in China;
  • Representation of the board of directors of a European technology company in an internal investigation involving intellectual property issues;
  • Representation of the Special Review Committee of the Board of Directors of Fannie Mae in an independent internal investigation of various accounting issues; and
  • Representation of the Audit and Finance Committee of Adecco S.A., the world’s largest provider of temporary employees, in a worldwide internal investigation into accounting issues.

Alex also has an extensive civil litigation and trial practice. Recent matters include:

  • Representation of UBS in a lawsuit alleging fraud in connection with the sale of certain CDOs backed by mortgage-backed securities;
  • Representation of Merck in a securities fraud class action litigation relating to the sale of Vytorin;
  • Representation of Pfizer in a products liability trial involving claims that the company’s hormone therapy drug caused breast cancer;
  • Representation of Exxon Mobil Corporation in multiple lawsuits alleging Alien Tort Statute and related claims; and
  • Representation of BASF in connection with the enforcement of a covenant not to compete.

Alex also has extensive appellate experience, and has briefed and/or argued several appeals before the U.S. Courts of Appeals for the Second, Fourth, Ninth and the D.C. Circuits.

Alex is a member of the New York City Bar Association. She serves as a Trustee for the Lawyers' Committee for Civil Rights Under Law and is on the Board of Trustees of the Legal Aid Society of the District of Columbia. In addition, Alex serves on the Criminal Justice Act Panel for the United States Court of Appeals for the District of Columbia Circuit and the United States District Court for the District of Columbia. A frequent writer on topics related to white collar defense and regulatory investigations, Alex is one of the authors of the U.S. chapter of Corporate Internal Investigations: An International Guide, Second Edition (Oxford University Press, 2013).

Alex has an extensive pro bono practice and has litigated voting rights cases and constitutional challenges to voter registration and identification laws. Alex served as a notes editor of the Yale Law Journal.

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