Articles
TMT: Japan Enacts Active Cyber Defense Law
(August 2025)
Keiji Tonomura, Yoshiteru Matsuzaki (Co-author)
- Technology
- AI and Robotics
- Telecommunications
Keiji Tonomura
Partner
Tokyo Office
- Languages
- Japanese, English
- Qualifications
- 2007(-2012), 2014, Japan (Dai-Ichi Tokyo Bar Association)
Publications
Keiji Tonomura: Publications
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Articles
Chambers Global Practice Guides Artificial Intelligence 2025 Japan – Law & Practice
(June 2025)
Keiji Tonomura, Yukiko Konno, Minh Thi Cao Koike, Yoshiteru Matsuzaki (Co-author)
- Technology
- AI and Robotics
- Data and IoT
- Data Protection and Privacy
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Articles
TMT: Bill of AI Act in Japan
(April 2025)
Keiji Tonomura, Akira Komatsu (Co-author)
- Technology
- AI and Robotics
- Telecommunications
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Articles
Chambers Global Practice Guides Fintech 2025 Japan – Trends & Developments
(April 2025)
Keiji Tonomura, Shu Sasaki, Kazuyuki Ohno, Otoki Shimizu (Co-author)
- Technology
- Finance
- FinTech
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Articles
Chambers Global Practice Guides TMT 2025 Japan – Trends & Developments
(February 2025)
Keiji Tonomura, Minh Thi Cao Koike, Akira Komatsu, Yuki Matsumiya (Co-author)
- Technology
- Digital Transformation (DX)
- Digital Platform
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Newsletters
＜AI Update＞ AI Inventorship: IP High Court in Japan Rules AI Cannot Be Listed as Inventor
Keiji Tonomura, Yoshiteru Matsuzaki (Co-author)
- Technology
- AI and Robotics
- Intellectual Property
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Articles
TMT: Japan’s Current State of Content Moderation on Social Media
(October 2024)
Keiji Tonomura, Minh Thi Cao Koike (Co-author)
- Technology
- AI and Robotics
- Telecommunications
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Articles
Lexology Panoramic – Technology M&A 2025 Japan
(November 2024)
Keiji Tonomura, Masaki Mizukoshi, Uchu Takehara, Hitomi Kono (Co-author)
- M&A
- Mergers & Acquisitions
- Technology
- Internet/IT Services/Cloud
