Mori Hamada's practice advises a prestigious roster of Japanese and international clients on matters related to settlement systems, fund transfers, cryptocurrency and cybersecurity. The team is led by Masakazu Masujima whose practice spans payment services, including money transmission and crypto assets, alongside crowdfunding and insurtech matters; Takane Hori who has expertise in data protection and cybersecurity; and Atsushi Okada who handles both domestic and cross-border tech-related transactions and legal issues. Masayuki Ishibashi is a key contact for security token offering and capital markets work, while Katsuya Terai offers broad regulatory and transactional guidance across the tech and financial sectors.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘The team has significant strength in depth and is ably led by Masayuki Ishibashi who is well-respected and an industry leader. They boast premium clients that engage them for the most innovative and cutting-edge projects.’
‘Our experience with MHM has always been excellent. They are commercial and facilitative and we appreciate their experience and expertise in the Japanese market, often bringing value to complicated and sophisticated matters.’
‘We have worked with partner, Masayuki Ishibashi, who we worked with on complex and novel fund tokenisation matters, involving listing security tokens issued by Japanese fund vehicles. He is very collaborative and has deep expertise in the Japanese market and is a pleasure to work with.’
‘The team has great commercial awareness about our business, our services and products and the industry writ large. The team take complex and challenging legal issues, boils them down to the key parts and delivers practical advice.’
‘Masafumi Masuda stands out. He has exceptional legal skills, but in my view, it is his strong commitment to serve his clients and the resulting dependability that clients can rely on that differentiates him from competitors.’
Key clients
- Accenture Japan Ltd
- Bitbank
- Coincheck
- CCC MK HOLDINGS Co., Ltd
- Culture Convenience Club Company
- SBI Holdings, Inc.
- GMO Internet, Inc.
- G.U. technologies Inc.
- Hitachi, Ltd.
- JCB Co., Ltd.
- Nium
- Payeoneer
Work highlights
Advising SBI Holdings, Inc. on its development of NFTs (Non-Fungible Tokens) functions called MYAKU-N! in a smartphone app called “EXPO2025 Digital Wallet” officially used in this year’s World Expo “Expo 2025 Osaka, Kansai, Japan”.
Advising the client on the successful Initial Public Offering of Coincheck Group N.V
Advising a railway company client on the formulation of the service scheme, data handling and privacy policies and the application for registration to provide fund transfer services as part of their initiative to launch a new payment service.
Lawyers
Leading partners: Bengoshi
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Leading associates: Bengoshi
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Masakazu Masujima; Takane Hori; Atsushi Okada
Other key lawyers
Masayuki Ishibashi; Katsuya Terai; Masafumi Masuda