Professional Experience

Mr. Sugimura is a Managing Partner of SUGIMURA & Partners. His practice encompasses consultation to dispute resolution, in areas of intellectual property laws and adjacent area, including trade secret, information technology, privacy act and media/entertainment. Prior to assuming his position as the Managing Partner of SUGIMURA & Partners, Mr. Sugimura worked as an associate lawyer at Nishimura & Partners. He has also served as a Legislative Affairs Officer at General Affairs Division of Japan Patent Office, acting a primary role in revision of Patent Act, the employee invention system. Mr. Sugimura, based on the experience as the Legislative officer at JPO, has authored several articles on Japanese IP practice, with particular focus on employee invention.


Daiichi Tokyo BAR Association
Japan Patent Attorneys Association (JPAA)


The University of Tokyo, School of Law (J.D.)
The University of Tokyo (LL.B.)

Practice Areas

Intellectual Property Law
Corporate Law
Trade Secret
Information Technology
Privacy Act




“Practical Commentary on the Employee Invention System as Reformed in 2015”
Shojihoumu, Co-Authored 2016

“The Commentary on the Industrial Property Law (The 2014 Revisions to the Patent Act and Other Acts)”
Law & Technology, Co-Authored 2014

“Intellectual Property Law, 5th edition”
Kobundo Publishers, Co-Authored 2013


“How to Draft Usable Offensive/Defensive Intellectual Property Contracts”
Ministry of Economy, Trade and Industry, Central Region Branch, December 2016

“Practical Commentary on the Employee Invention System (Patent Act 35) as Reformed”
Japan Intellectual Property Association, October 2016

“Employee Invention System Reform, Practical Commentary and Q&A by Legislative Affairs Officer of JPO”
Economic Research and Study Association, March 2016