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Mami Ohara

Baker & McKenzie (Gaikokuho Joint Enterprise)
Not admitted to practice law in this jurisdiction


Mami Ohara is a member of the Firm’s Corporate and Mergers & Acquisitions practice groups. She advises Japanese and international companies on global and domestic corporate reorganizations, cross-border compliance, mergers, acquisitions and corporate governance matters. Ms. Ohara recently returned to the Tokyo office after practicing in the Firm's Chicago and London offices.

Practice Focus

Ms. Ohara has worked on a range of cross-border corporate matters, including compliance, corporate reorganizations, mergers, acquisitions and joint ventures. She also serves as a member of the Firm’s Pharmaceutical / Life Sciences Industry Group, and handles regulatory matters in relation to the pharmaceutical industry.

Representative Legal Matters

  • Advised a US pharmaceutical company on the spinoff of its bioscience business into a new NYSE-listed company.
  • Advised a Japanese insurance company on its USD5.7 billion cash merger with a NYSE-listed US life insurance company.
  • Advised a US pharmaceutical company on the USD5.3 billion sale to another US pharmaceutical company of a portfolio of branded specialty and generic drugs in developed markets outside the United States.
  • Advised a major Japanese cosmetics company on its tender offer for a US cosmetics company.
  • Advised an oil company on its business integration with a mining company.
  • Represented an investment fund in potential management buyout opportunities.
  • Advised a global automotive company in connection with its US Securities Exchange Act reporting obligations.

Professional Associations and Memberships

  • New York State Bar Association - Member


  • New York~United States (2009)


  • Cornell Law School (LL.M., (Editor, Cornell International Law Journal)) (2008)
  • Keio University Law School (J.D.) (2007)
  • Keio University (LL.B.) (2002)


  • English
  • Japanese

Previous Offices

  • Chicago
  • London

Co-author, "Legal and tax practices on conducting business in Asia – from business start-up to expansion and withdrawal," Chuokeizai-sha, August 2011, Language: Japanese

Co-author, "How to Deal with Zeus – Advocacy of Parallel Proceedings from an Investor’s Perspective," 25-10 Mealey’s Int. Arb. Rep. 18, 2010


Speaker and Panelist, "Emerging Trade Opportunities with Japan - Abenomics and Recent Legal Developments," Trade Seminar hosted by JETRO Chicago, the Japan America Society of Chicago and Baker & McKenzie LLP, 23 January 2014, Language: English