Awards
Practice Areas
Education/Professional Experience
- 1995
- The University of Tokyo (LL.B.)
- 2002
- University of San Diego School of Law (LL.M.)
- 2006 and 2008 - 2009
- Adjunct Lecturer, The University of Tokyo
- 2007 - present
- Nagashima Ohno & Tsunematsu
- 2017 - present
- Ad Hoc Member, the Industrial Structure Council, Ministry of Economy, Trade and Industry (Commission Member, Trade Committee, Subcommittee on Trade Remedies)
- 2018 - present
- Trustee, The Sasakawa Pace Foundation
- 2024 - present
- Outside Audit & Supervisory Board Member of Toyo Seikan Group Holdings, Ltd.
- 2024 - present
- Ad Hoc Member, the Industrial Structure Council, Ministry of Economy, Trade and Industry (Commission Member, Trade Committee, Subcommittee on Unfair Trade Policies and Measures)
Awards
Seminars
-
September 4, 2025 (Thu) 15:00 - 17:00Global Competition Law Update: Key Insights and Critical Points from US, EU, and Japanese Lawyers
- Kaoru Hattori
- Yoshitoshi Imoto
- Ryohei Tanaka
Nagashima Ohno & Tsunematsu Tokyo Office
- Antitrust and Competition
- Antitrust and Competition Law Advice
-
May 29, 2024 (Wed) 14:30 - 17:45Exploring the Frontiers of Economic Security with Takayuki Kobayashi, Member of the House of Representatives and Legislative Official: Overview of the Security Clearance System (Act on the Protection and Use of Critical Economic and Security Information) and its Impact on Corporate Practices
- Takayuki Kobayashi (member of the House of Representatives)
JP TOWER Hall & Conference
- Corporate
- Corporate Governance
- General Corporate
-
March 26, 2024 (Tue) - December 27, 2024 (Fri) 16:00“Management Challenges in the Economic Security Era”: Part 5 – “International Trade, Economic Security and Supply Chain Restructuring”
- Kaoru Hattori
- Ryosaku Kondo
- Makoto Kuroki (KPMG Consulting)
Online (On-Demand)
- International Trade and Commerce, and Economic Sanctions
-
December 7, 2023 (Thu) - December 6, 2024 (Fri) 16:00Latest Developments in Competition Law: Special Edition “Navigating Fact-finding Surveys”
- Kaoru Hattori
Online (On-Demand)
- Antitrust and Competition
- Other Antitrust Law Investigations
Publications
-
Articles
Lexology Panoramic – Cartel Regulation 2025 Japan
(January 2025)
Kaoru Hattori, Yoshitoshi Imoto, Ryohei Tanaka (Co-author)
- Antitrust and Competition
-
Newsletters
Carbon Pricing in Japan – How is it Situated in International Border Carbon Adjustment Measures?
Kaoru Hattori, Ryosaku Kondo (Co-author)
- International Trade and Commerce, and Economic Sanctions
-
Articles
Lexology Getting the Deal Through – Cartel Regulation 2024 Japan
(November 2023)
Kaoru Hattori, Yoshitoshi Imoto, Ryohei Tanaka (Co-author)
- Antitrust and Competition
-
Articles
Lexology Getting the Deal Through – Cartel Regulation 2023 Japan
(November 2022)
Kaoru Hattori, Yoshitoshi Imoto, Ryohei Tanaka (Co-author)
- Antitrust and Competition