Managing Partner:

sakamoto hidetaka


Academic background

March 1992 Graduated from Hirano Senior High School attached to Osaka Kyoiku University
March 1996 Graduated from Kyoto University, Faculty of Law
March 1998 Graduated from Kyoto University Graduate School of Law


October 1997 Passed the National Bar Examination
March 2000 Completed legal training at the Legal Training and Research Institute under the Supreme Court of Japan (term 52)
April 2000 Registered as lawyer (Osaka Bar Association)
Worked for Kitahama Central Law Office
March 2003  Established Mercury General Law Firm
June 2005  Registered as a tax accountant (Kinki Certified Public Tax Accountants’ Association)
December 2007  Established Mercury General Legal Professional Corporation

Current positions

(TSE listed : 6539)
Outside Auditor, TRYT Co., Ltd. and two affiliated companies
Outside Director, Anaphith Co., Ltd.
Association Director, Association of Proficiency Test in Disclosure

History of positions at bar associations

Vice Chair Public Relations Committee, Kinki Federation of Bar Associations
Vice Chair Public Relations Committee, Osaka Bar Association
Vice Chair Information Center Steering Committee, Osaka Bar Association 
Committee on Legal Training for Judicial Apprentice, Osaka Bar Association
Employment Support Special Committee, Osaka Bar Association

History of associations

Nationwide Bankruptcy Processing Lawyers Network
The Information Network Law Association
Antitrust Law Practice Association
Intellectual Property Law Practice Association

Experience as a lecturer

Specially-Appointed Lecturer, Kindai University Law School
Lecturer, Kindai University Bar Examination Training Institute
Lecturer, Ritsumeikan University Extension Center
Indian labor law, Indian arbitration, and joint-venture contract in India at a seminar hosted by Nikkei Manufacturing Technology
Indian labor lwat a seminar hosted by en-japan inc.
Case study to focus on Indian law at Japan Pharmaceutical Industry Legal Affairs Association
Part of company auditor, at Disclosure School of the Osaka Chamber of Commerce and Industry
Auditor course at Community Bank Shinyo Kumiai
Auditor course at Kyushu Community Bank Shinyo Kumiai
Additionally, seminars in companies on Compliance, Act on the Protection of Personal Information, etc.


June 2007 “Theory and Practice of Intellectual Property Contracts” (Shojihomu Co., Ltd.) (Contributing Author)
December 2009″Response to Employee’s Drug Use” (Business Legal Affairs)
December 2009 “Response to Employee’s Drug Use” (Business Legal Affairs)
July 2017 “Problems related to corporate law and tax law related to the provision of benefits to a subsidiary of the parent company ” (Intellectual property management)