Widely praised for its grasp of novel areas such as AI and machine learning, Morrison Foerster’s leading technology transactions group in Tokyo has been advising major clients in the TMT space on high-profile matters for over two decades. With considerable international experience handling IP matters for tech companies, Masato Hayakawa leads the group. Ken Siegel, managing partner of the firm’s Tokyo office and head of its M&A team, regularly assists high-tech companies with acquisitions, joint ventures, and strategic alliances. Yukihiro Terazawa focuses on acting for international clients in Japanese litigation and tech transactions. Seth Graham’s broad practice covers licensing arrangements, technology transfers, outsourcing transactions, and development agreements; he is noted for his AI and semiconductors expertise, among other areas, as well as his project management skills.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘Seth Graham deserves recognition as he has been an invaluable partner in my company's engagement with Morrison Foerster. Seth's deep knowledge of IP law, combined with his expertise in AI, life sciences, and semiconductors, has been instrumental in guiding us through complex transactions. His ability to assemble the right team and manage intricate projects on time and within budget is truly commendable. Seth's strategic insights and meticulous attention to detail ensure that we are always well prepared for any challenges that may arise.'
- ‘Yukihiro Terazawa and Masato Hayakawa showcased exceptional expertise in a cross-border dispute and various license cases for our firm. Yukihiro’s deep understanding of international law and meticulous analytical skills allowed him to uncover critical insights and develop robust arguments, significantly strengthening our position. His adeptness at navigating complex legal systems ensured smooth proceedings and favorable outcomes. Hayakawa Masato brought invaluable expertise in IP and licensing. His profound knowledge of global IP laws enabled efficient resolution of licensing issues. Masato’s strategic approach to negotiations and ability to craft comprehensive agreements provided a solid foundation for future collaborations.'
‘Morrison Foerster has consistently been my company's go-to firm for high-stakes transactions and navigating novel areas of law and technology. Their team possesses an impressive grasp of developing legal issues, particularly in the realms of artificial intelligence, life science and machine learning. I have always appreciated their ability to bridge the gap between US and Japanese business cultures, thanks to their professionals' language skills and deep understanding of decision-making processes. This unique blend of expertise allows them to facilitate effective communication for me as client, both internally and externally, while seamlessly collaborating with our existing outside counsel network when needed.'
- 'With their global reach and local expertise, I believe Morrison Foerster truly deserves recognition for their service.'
‘Compared to other firms, Morrison Foerster’s TMT practice is notable for its forward-thinking strategies and unwavering dedication to client success. Their proactive and tailored solutions make them a trusted partner in the ever-evolving TMT landscape.’
Key clients
- SoftBank Group
- SoftBank Corporation
- TDK Corporation
- Fujitsu Limited
- Renesas Electronics Corporation
- ON Semiconductor Corporation (onsemi)
- Tencent Holdings Limited
- NTT Communications
- NTT Ltd.
- Dassault Systèmes KK
Work highlights
Advised Toshiba Corporation in relation to its $15bn take-private transactions, the largest take-private transaction in Japanese history.
Advised ARM Holdings plc, the world’s leading semiconductor IP company, on its $5.2bn initial public offering and listing on Nasdaq, the largest global IPO in 2023.
Advised SoftBank on the establishment of GreenBox Systems LLC, a new joint venture with Symbotic Inc., a leader in AI-powered automation technology for the supply chain.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Yukihiro Terazawa
Next generation partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Seth Graham
Practice head
Masato Hayakawa
Other key lawyers
Ken Siegel; Yukihiro Terazawa; Seth Graham