Grant Tanabe


Grant Tanabe’s practice focuses on corporate and commercial transactions, including strategic transactions and relationships such as joint ventures, cross-border M&A, and private equity investments as well as technology licensing and servicing agreements. Grant also supports clients on labor and employment matters, including appropriately terminating employees, preventing and resolving harassment issues, and drafting HR company work rules.


Attorney at Law


State of Hawaii, U.S.A. (1997)
Japan (2011) as Gaikoku Jimu Bengoshi (Registered Foreign Lawyer)


Hawaii State Bar Association
Dai-ni Tokyo Bar Association
American Chamber of Commerce in Japan (2004 to present)
U.S.-Japan Council, Member (2015 to present)

U.S.-Japan Council, Regional Chair for Japan (2019 to 2020)

European Business Council (2004 to 2008)

Professional Experience

2015 – present

Sonderhoff & Einsel, Law and Patent Office

2010 – 2015

K&L Gates Gaikokuho Joint Enterprise

2008 – 2010

PricewaterhouseCoopers Co., Ltd.

2004 – 2008

Aflac International



University of Hawaii (M.B.A.)


Willamette University College of Law (J.D.)


University of Hawaii (B.A.)


“Workplace Harassment Comes in Many Forms: How Can You Help Your Company Prevent and Deal With Harassment in the Workplace” (S&E Newsletter) August 2018


Entry No. 9 Article of Foreign Lawyers Practicing Law in Japan, In-house Lawyer Experience and Practical Advice (Business Homu, Vol. 18/No.4) April 2018 (in Japanese)


“Understanding the Business Culture as well as the Legal Issues for a Successful M&A Transaction in Japan” (Lexis Nexis Japan Lawyers Guide, 2016/17) 2016


“Against the Odds” (Asian-Mena Counsel) 2011


“Practice Management: The changing office environment and organisational culture in a remote world” (The MSI Virtual International Conference, MSI Global Alliance) October 2020


“Changes to Foreign Direct Investment Rules and Their Impact:  Guidance for In-house Counsel” (The Japan In-House Counsel Network, JICN) August 2020


“Workplace Harassment Comes in Many Forms: How Can You Help Your Company Prevent and Deal with Harassment in the Workplace?” (The Japan In-House Counsel Network, JICN) February 2018


The Application of Artificial Intelligence (AI) and its IP Law Aspects in Japan” (EU-Japan Centre for Industrial Cooperation) September 2017


 “Japan’s Labor Officials Newly Aggressive Actions To Enforce Overtime Regulations – Overview of the MHLW’s Team to Eliminate Excessive Work and Practical Ways Companies Can Deal with Overtime Issues” (Asian Legal Business, Japan In-House Legal Summit) May 2017


“Power Harassment: What is it? How should your Company prevent it? What should you do if it happens?” Japan In-House Counsel Network (Tokyo, 2014)


“Proposed New Amendments to the Company Act: Will these Amendments Change the Landscape of Corporate Governance in Japan?” Japan In-House Counsel Network, (Tokyo, 2012)


Japanese, English