O’Melveny Worldwide

Vivian Wang guides clients on all aspects of antitrust matters, especially through the antitrust merger review processes and in antitrust government investigations across a wide range of industries, including technology, life sciences, financial services, consumer goods and business services. She is also experienced in anti-corruption investigations and compliance counseling.

Prior to joining the firm, Vivian worked at the DC offices of prominent US law firms.

  • Sanofi in its US$1.9 billion acquisition of Kadmon Holdings, Inc.
  • Sanofi in its US$3.2 billion acquisition of Translate Bio
  • Foley Trasimene Acquisition Corp. in its $7.3 billion merger with Alight Solutions LLC
  • Sanofi in its US$1.45 billion acquisition of Kymab, Ltd.
  • Foley Trasimene Acquisition Corp. II in its US$9 billion merger with Paysafe
  • Black Knight in its US$1.8 billion acquisition of Optimal Blue
  • Allergan plc in its US$63 billion sale to AbbVie Inc.
  • A US investment holding company in its unsolicited offer to acquire a real estate data & analytics company
  • Various private equity funds in the acquisitions in the pharmaceuticals, logistics and data & analytics sectors
  • Various Chinese State-Owned-Enterprises in anti-corruption investigations and the design and implementation of compliance programs


  • Mandarin Chinese
  • English


Bar Admissions

  • New York
  • District of Columbia


  • New York University School of Law, J.D.
  • Georgetown University Law Center, LL.M.
  • Peking University, LL.B.; B.A.

Honors & Awards

  • Recognized by The Legal 500 Greater China (2024) in China, Antitrust and Competition: Foreign Firms

Professional Activities


  • American Bar Association, Antitrust Section