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Harumi Hata

Partner, Attorney at Buchalter

Medium firm (21 to 100 attorneys)Los Angeles, CA Website 213.891.5578
Institute for Corporate Counsel, Board of Governors (2024-Present)U.S.-Japan Council, Council Leader (2018-Present)California Lawyers Association Business Law SectionLos Angeles County Bar Association (LACBA)Los Angeles County Bar Association (LACBA) Board of Trustees (July 2014-June 2016; July 2011-June 2013)Los Angeles County Bar Association (LACBA) International Law SectionJapanese American Bar Association (JABA)Japan America Society of Southern California (JAS-SC)Japan Business Association of Southern California (JBA)Loyola Law School, Board of Directors (formerly, Board of Overseers) (2008-2019)

About

Harumi Hata, Partner at Buchalter, represents U.S., European, and Pacific Rim companies in mergers and acquisitions. She handles financing, real estate purchases and sales, and subsidiaries in the U.S. and abroad. She advises them on alliances and tax planning for activity across borders. She serves many of these companies as outside general counsel on day-to-day decisions. She covers regulatory issues in deals for insurers, their holding companies, and Fortune Global 500 companies. She earned her J.D. from Loyola Law School in 1985. She speaks Japanese and knows Japanese business practices and protocol. She advises high net worth individuals and families on assets they hold in the U.S., including real estate. She represents Japan-based clients on U.S. investments and other companies on transactions in Japan.

Who is a good fit for Harumi Hata

  • Multinational U.S., European, and Pacific Rim companies planning a merger or acquisition.
  • Insurance companies and their holding companies buying or selling assets or companies.
  • Japan-based companies making an investment or completing a deal in the U.S.
  • Non-Japan based companies completing an investment or a business transaction in Japan.

Education and admissions

Education
  • Loyola Law School, J.D., 1985
  • Loyola Marymount University, B.A., 1982
Bar admissions
California

Recognition

  • 2026 Legal 500 U.S. Elite, Corporate and M&A

Specialties

Buy-side M&A representationSell-side M&A representationEntity formation and holding structuresTransaction tax structuring

Deal profile

Typical deal size
Any deal size
Remote work
In-person / regional

Frequently Asked Questions

Harumi earned the 2026 Legal 500 U.S. Elite ranking for Corporate and M&A. She has served on the Institute for Corporate Counsel Board of Governors since 2024, and she served two terms on the Los Angeles County Bar Association Board of Trustees, from July 2011 to June 2013 and from July 2014 to June 2016.

Harumi has served as a Council Leader of the U.S.-Japan Council since 2018. She participates in the Japanese American Bar Association and the Japan America Society of Southern California. She participates in the Japan Business Association of Southern California. She also participates in the Los Angeles County Bar Association International Law Section.

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