
The fintech team at Nagashima Ohno & Tsunematsu has extensive experience representing major Japanese banks and financial institutions in business developments and reforms involving mobile payments, biometric authentication, AI, and related technologies. Led by Taku Umezawa and Keiji Tonomura, the team assist with collaborations, joint ventures, and acquisitions of fintech startups. Umezawa is prominent in financial regulation area and data protection, while Tonomura focuses on tech-related transactions, data protection and privacy. Another name to note is Shu Sasaki, who has been focusing on financial regulation and fintech matters.
L’éditorial du Legal 500
- Profil
- Réseaux sociaux
Témoignages
Collectés indépendamment par l'équipe de recherche du Legal 500.
- 'The firm can provide specialist advice in various legal areas. Mr. Keiji Tonomura is excellent and quick to respond to various legal questions.'
- 'The team coordinates cross-department collaborations very well. Additionally, Keiji Tonomura, who was in charge of our case, helped us to stay updated on policy changes surrounding cryptocurrencies. This allowed us to proceed while incorporating the latest developments.'
Clients clés
- Mitsubishi UFJ Financial Group, Inc.
- Toyota Financial Services Corporation
Points forts
- Advised Gaiaz on the launch of the PlanetDAO project, utilising Kabushiki Kaisha as a vehicle for DAO.
Avocats
Les grands avocats du marché
Avocats associés reconnus parmi les leaders du marché par leurs pairs et leurs clients, régulièrement présents dans les grands dossiers dans lesquels ils sont au premier plan.

Responsable de la pratique
Taku Umezawa; Keiji Tonomura
Autres avocats clés
Shu Sasaki