
Anderson Mori & Tomotsune's practice provides targeted legal support across patent litigation, IP licensing, trade mark and copyright disputes, as well as in the range of tech-focused transactions. The team is spearheaded by Yasufumi Shiroyama, who acts for clients in a broad range of IP matters, including patent, trade mark, and copyright infringement cases, and Yoshikazu Iwase who has extensive experience handling patent infringement litigation in Japan. Akihito Nakamachi is also a key figure in the team who harnesses particular capabilities advising tech-driven clients, from start-ups to global corporates, on the range of IP matters.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Client satisfaction: NPS ®
Testimonials
Collated independently by Legal 500 research team.
- 'Always very responsive. AMT team provide high work quality and understanding of both factual and legal issues across Japan and the US.'
- 'Anderson Mori has a strong intellectual property team with expertise in the overlap of IP and other regulatory areas, such as export controls.'
Key clients
- Toyota Motor Corporation
- British Broadcasting Corporation (BBC)
- DENSO CORPORATION
- AISIN CORPORATION
- JTEKT CORPORATION
- ADVICS CO., LTD.
- USHIO INC.
- BluE Nexus Corporation
- Taiyo Holdings Co., Ltd.
- KAKEN PHARMACEUTICAL CO., LTD.
- NGK INSULATORS, LTD.
- NISSIN KOGYO CO., LTD.
Work highlights
Advised SUPERNOVA Inc., a startup specialising in generative AI, on drafting the terms and conditions for its partnership with NTT Docomo Inc. to launch Japan’s first full-scale generative AI service for the general public.
Advised Toyota Motor Corporation on its high-profile collaboration with NTT Inc. to advance the use of generative AI in autonomous driving and Intelligent Transportation Systems (ITS).
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading partners: Bengoshi
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Yasufumi Shiroyama; Yoshikazu Iwase
Other key lawyers
Akihito Nakamachi
Comparative Guides
Comparative Guide
Acquisition Finance
Japan
Satoshi Inoue, Yuki Kohmaru & Hikaru Naganuma
Comparative Guide
Private Client
Japan
Yutaka Shimoo
Comparative Guide
Private Equity
Japan
Keita Tokura, Raku Raku, Yasutaka Emoto & Hikaru Naganuma
Comparative Guide
Blockchain & Crypto Assets
Japan
Takato Fukui, Keisuke Hatano, Takeshi Nagese & Huan Lee Tan


