Naoki Idei

・Disputes/lawsuits involving the termination of distributorship agreements

・Lawsuits involving defects in medical devices

・Disputes/lawsuits involving the infringement of patents/design patents/trademarks and unfair competition concerning medical devices

・Cross-border lawsuits and arbitration involving copyrights (in Japan and the USA)

・International arbitration involving a license agreement

・Lawsuit involving alleged unfair competition based on the physical design of a musical instrument

・Labor contract issues and lawsuits involving post-termination, non-competition obligations

・Disputes/lawsuits involving negligence in the course of contract negotiations

・Professional malpractice disputes and lawsuits

・Disputes arising out of the termination of international joint venture agreements and dissolution of a joint venture company

・Served as arbitrator and mediator in many arbitration/ADR institutions including JCAA, ICC, Daini-Tokyo Bar Association Arbitration and Mediation Center, Construction Dispute Review Board, Nuclear Damage Claim Dispute Resolution Center, etc.

American Bar Association
Inter-Pacific Bar Association
Japan Association of Arbitrators
Japan ADR Association
Japan ODR Association
Lawyers Network for Foreigners

“The Japan International Dispute Resolution Center – Its Achievements and Challenges”, Japan Commercial Arbitration Journal, Vol. 6 (English) (JCAA, October 2025)

“Do Mediation Parties Owe Confidentiality in Japan?”, Japan Commercial Arbitration Journal Vol. 3 (English) (JCAA, September 2022)

“Development of the Nuclear Damage Claim ADR”, JCAA Newsletter No. 35 (English) (JCAA, March 2016)

“Arbitration Issues”, Jurist issue on “Issues of Civil Procedure Law” (Japanese) (Yuhikaku, March 2009)

“Confusion Concerning the Design of Goods”, Research on Intellectual Property Rights Volume V (Japanese) (Yushodo Shuppan, 2008)

“New Arbitration Law, Theory and Practice”, Jurist No. 1265 (Japanese) (Yuhikaku, March 2004 - June 2005)

“New Arbitration Law Q&A” (Japanese) (Sanseido, 2004)

“Standing for Non-Use Cancellation”, Research on Intellectual Property Rights Volume IV (Japanese) (Tokyo-Nunoi Shuppan, 1999)

“Work for Hire and Statutory License”, Research on Intellectual Property Rights Volume III (Japanese) (Tokyo-Nunoi Shuppan, 1995)

“Use of Images in Copyrighted Works”, Research on Intellectual Property Rights Volume I (Japanese) (Tokyo-Nunoi Shuppan, 1989)

“The Future of International Arbitration and Mediation – From Civil Law and Common Law Perspectives”, the Japan International Arbitration Week the Ministry of Justice Special Session (Moderator) (November 26, 2025)

“Asian Approach to Dispute Settlement”, 16th Annual Conference of the Japan Chapter of the Asian Society of International Law (Moderator) (June 29, 2025)

“Asia Development Bank Institute Policy Dialogue on Alternative Dispute Resolution - Session 1” (Panelist) (February 18, 2025)

“Global Insights: Japan’s Role in Shaping International Arbitration”, JCAA Arbitration Days seminar Day 1 - “Global Visions: Japan’s Evolving Role in International Arbitration” (Panelist) (November 20, 2024)

the ICC Tokyo Arbitration Day, Panel 1 “Japan, Toward A Preferred Place of Arbitration: Advantages and Challenges” (panelist), hosted by ICC Court of Arbitration (April 18, 2023)

International Legal Ethics Symposium “IT and the Ethics of the Lawyer: A Global Perspective” (MC / speaker), hosted by Professional Ethical Conduct Study Group of Lawyers and Bar Associations (March 11, 2023)

“Lawyer-Client Privilege and Administration of Justice” the session in the International Legal Ethics Conference (at UCLA) (panelist (on-line)), hosted by International Legal Ethics Conference 2022 (August 15, 2022)

International Legal Ethics Symposium in Tokyo 2022 (ILEST22) -“The Mandate of the Lawyer and Lawyer-Client Confidentiality”, Part II “Agenda for Institutionalization of Protection of Confidentiality in Japan” (MC/Moderator), Professional Ethical Conduct Study Group of Lawyers and Bar Associations (March 5, 2022)

“Harmonizing Common Law and Civil Law Practice. The role of bars in cross-border cooperation” (panelist), International Bar Association (October 28, 2021)

“The Development of Arbitration/ADR Law” (lecturer), Kansai Kinyuu Houmu Kondankai (April 10, 2021)

“The Rule of Law and International Arbitration/Mediation” ancillary meeting (emcee and moderator), Kyoto Congress (March 11, 2021).

“The Basics of Arbitration and Mediation in Disputes Between Enterprises” webinar (speaker), jointly hosted by the Japan Commercial Arbitration Association and Kojima Law Offices (November 19, 2020)

“Revised Foreign Lawyers Act and Efforts to Activate International Arbitration” (speaker), joint seminar hosted by Japan’s Ministry of Justice, the Japan Federation of Bar Associations, and the Japan International Dispute Resolution Center (November 18, 2020)

UIA（Union Internationale des Avocats） Event For Bar Leaders “E-Courts: Lights and Shadows of Digitalization” (Webinar) (panelist),（September 29, 2020）

“Meeting the Legal Needs of Japanese and Singapore Businesses：Japan-Singapore International Legal and Dispute Resolution Conference, Panel 2” (panelist), Singapore Ministry of Law（March 12, 2019）

“Recent Developments in Arbitration and other ADR in Japan” (speaker), Japan Federation of Bar Associations and Conseil Nationaldes Barreaux (November 20, 2018)

“Mediation of Mass Claims in Natural and Man Made Disasters” (panelist), ABA Section of International Law 2016 Fall Meeting (October 20, 2016)

Roundtable discussion: “Key Strategies for Controlling Time and Costs in International Arbitration” and “Effective Management of Arbitration: A guide for In-house counsel and other party representatives” (moderator), ICC Global Headquarters (October 19, 2015)

“Japan’s Justice System Reform on Trial: Japan’s Civil Justice Reform on Trial” (presenter), 4th East Asian Law and Society Conference (August 6, 2015)

Symposium - “He Hali‘a Aloha No Jon: Memories of Aloha for Jon - International Environmental and Nuclear Law”, University of Hawaii (January 31, 2013)