Nagashima Ohno & Tsunematsu's team advises on the range of regulatory and transactional matters. It assists a wide range of clients across the IT, internet, broadcasting, telecoms and space sectors, as well as those in the media and entertainment industries such as television, music, advertising and professional sports. Leading the practice is Keiji Tonomura who supports clients by providing day-to-day legal guidance, and advising on business launches and TMT-related acquisitions and investments. Soichiro Fujiwara is a key contact for M&A and corporate work in high-tech sectors, including transactions involving AI, IoT, and fintech. Ryo Okubo also plays a significant role, frequently advising domestic and international clients, particularly start-ups and tech companies on legal matters relating to space, telecoms and IT services.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- 'Professionality in the space industry.'
- 'They stand out for their highly skilled professionals with strong global experience. Communication is consistently clear and attentive.'
- 'Compared to other firms, the team’s expertise and international perspective are exceptional.'
- 'The individuals I work with are distinguished by their deep expertise, responsiveness, and professionalism.'
- 'They consistently provide practical solutions and clear advice. Compared to competitors, they demonstrate exceptional understanding of both local and international issues. I particularly value their collaborative attitude and reliability.'
- 'Good experience in the space sector.'
Key clients
- Airbnb
- Astroscale Japan Inc.
- NTT Corporation
- Fuji Media Holdings, Inc.
- Sony Group Corporation
- KADOKAWA Corporation
- X (formerly known as Twitter)
- Broadridge Financial Solutions
- Space Compass Corporation
- ispace, Inc.
- Mitsubishi UFJ Financial Group, Inc.
- Komatsu, Ltd.
Work highlights
Advised Sony Group Corporation on its minority investment in Kadokawa Corporation and formation of a strategic and business alliance.
Advised the client in its acquisition of WeWork’s Japan business.
Advised the client on its acquisiton of 79.5% stake in We Sell Celluar LLC.
Lawyers
Leading partners: Bengoshi
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Keiji Tonomura
Other key lawyers
Soichiro Fujiwara; Ryo Okubo