People

Oki Mori

Partner

Tokyo Office

Oki Mori

Partner

Tokyo Office

Contact

People

Oki Mori is a partner at Nagashima Ohno & Tsunematsu. He practices in a wide variety of civil litigation and other dispute resolution procedures, including, but not limited to, consumer litigation (including consumer organization litigation), corporate litigation/non-contentious case, commercial dispute, personal information leakage litigation, products liability litigation, real estate litigation, finance litigation, labor litigation, tax litigation and litigation relevant to system development. Moreover, he specializes in consumer law such as cases involving the Act Against Unjustifiable Premiums and Misleading Representations, food labeling, product recall/accident report, the Product Liability Act, the Consumer Contract Act and the Act on the Protection of Personal Information.

He has extensive experience in responding to emergency situations involving governmental authorities such as the Consumer Affairs Agency and the Japan Fair Trade Commission etc. mainly in consumer law such as responses to investigations related to the Act on Preventing Unjustifiable Premiums and Misleading Representations, and also has obtained many judgments/orders in his favor in administrative litigation and appeal examination procedure.
Additionally, he has been invited to the Diet to give a statement of opinion for deliberations on the bill concerning the amendment of the Consumer Contract Act. In addition, he has recently been engaged in many public interest activities related to ADR and ODR. He not only serves as a mediator, but also takes part in the formulation of rules and standards in the ADR Institutions.
Furthermore, he was awarded the honor of being named the Dispute Resolution Lawyer of the Year at the ALB Japan Law Awards 2019 hosted by ALB (Asian Legal Business).
Furthermore, with respect to a case involving the Consumer Affairs Agency of Japan’s revocation of an administrative order for the first time, which was awarded the honor of being named the Impact Case of the Year at the Benchmark Litigation Asia-Pacific Awards 2020, Mr. Mori was in charge as lead partner.

Mr. Mori graduated with an LL.B. from Keio University in 2001. He was admitted to practice law in Japan in 2002. He worked at the General Affairs Division, Quality-of-Life Policy Bureau, Cabinet Office from 2007 to 2009, in the Legal Compliance Office, General Affairs Division, Minister’s Secretariat, Cabinet Office from 2008 to 2009, the Office for the Unification of Consumer Policy, Cabinet Secretariat from 2008 to 2009, and the Consumer Safety Division, Consumer Affairs Agency in 2009. He has served as an adjunct lecturer at Graduate Schools for Law and Politics, Faculty of Law, The University of Tokyo in 2006 and as an adjunct lecturer at Sophia Law School since 2010, as an adjunct lecturer at Department of Business Law, Graduate School of Law, Hitotsubashi University since 2021, as a professor at Keio University Law School since 2023.

Languages

Japanese, English

Qualifications

2002, Japan (Dai-Ichi Tokyo Bar Association)

Languages

Japanese, English

Qualifications

2002, Japan (Dai-Ichi Tokyo Bar Association)

Education/Professional Experience

2001: Keio University (LL.B.)
2002 -: Nagashima Ohno & Tsunematsu
2006: Adjunct Lecturer, the University of Tokyo, Graduate Schools for Law and Politics (University of Tokyo, School of Law)
2007 - 2009: General Affairs Division, Quality - of - Life Policy Bureau, Cabinet Office, Government of Japan
2008 - 2009: Legal Compliance Office, General Affairs Division, Minister's Secretariat, Cabinet Office, Government of Japan
2008 - 2009: Office for the Unification of Consumer Policy, Cabinet Secretariat, Government of Japan
2009: Consumer Safety Division, Consumer Affairs Agency, Government of Japan
2010 - present: Adjunct Lecturer, Sophia Law School
2012 - present: Member, Research & Planning Committee, Japan ADR Association
2013 - present: Arbitrator for Arbitration Center, Dai-Ichi Tokyo Bar Association
2014 - present: Partner, Nagashima Ohno & Tsunematsu
2016 - 2021: Vice-Chairman, Arbitration Center Committee, Dai-Ichi Tokyo Bar Association
2017 - 2023: Mediator, Real Estate Appraiser Mediation Center, Japan Association of Real Estate Appraisers (JAREA)
2019 - 2023: Secretary, ADR (Alternative Dispute Resolution) Center, Japan Federation of Bar Associations
2019: Member of the JCAA Mediation Rules Amendment and Established Review Board, Japan Commercial Arbitration Association (JCAA)
2019 - present: Secretary, Civil Judicial Reform General Promotion Division, Japan Federation of Bar Associations
2019 - present: Arbitrators, The Japan Commercial Arbitration Association (JCAA)
2019 - present: Mediators, The Japan Commercial Arbitration Association (JCAA)
2019 - present: Advisor, The Japan DPO Association
2020 - present: Director, The Japan Association for Online Dispute Resolution (JODR)
2021 - 2024: Chairman, Arbitration Center Committee, Dai-Ichi Tokyo Bar Association
2021 - present: Adjunct Lecturer, Department of Business Law, Graduate School of Law, Hitotsubashi University
2021: Member of the JCAA Mediation Rules Amendment and Established Review Board, Japan Commercial Arbitration Association (JCAA)
2022 - present: Member of the Ministry of Justice, ODR Promotion Council, Working Group on the Implementation of ODR and Utilization of Artificial Intelligence Technology
2023 - present: Professor, Keio University Law School
2023 - present: Committee Member and Deputy Secretary-General of ADR (Alternative Dispute Resolution) Center, Japan Federation of Bar Associations
2023 - present: Member of Working Group on Artificial Intelligence Strategies, Japan Federation of Bar Associations
2023 - present: Member of Management Committee, Real Estate Appraiser Mediation Center, Japan Association of Real Estate Appraisers (JAREA)
2024 - present: Vice-Chairman, Arbitration Center Committee, Dai-Ichi Tokyo Bar Association

Oki Mori

Oki Mori

Education/Professional Experience

Seminars

Promoting the Framework and encouraging businesses (including MSMEs) to consider settling their disputes by ODR using the listed ODR providers

Personal Information and Data Protection Seminar “Recent Noteworthy Developments in Japan, Europe, North and South America for Japanese Companies”

There’s Still time! A Webinar Just Prior to the Full Application of Thailand’s Personal Data Protection Act

COVID-19, Personal Information Protection Act and Protection of Privacy

Publications

Personal Data Transfer Restrictions (Japan)

Lexology Panoramic – Product Liability 2024 Japan

The Legal 500: 7th Edition Litigation Country Comparative Guide – Japan

Product Liability Comparative Guides

Awards

High evaluation received in the 2025 Edition of “The Best Lawyers in Japan”

High evaluation received in the 2024 Edition of “The Best Lawyers in Japan”

High evaluation received in the 2023 Edition of “The Best Lawyers in Japan” and “The Best Lawyers: Ones to Watch in Japan”

Topics

Announcing New Partners of NO&T