Tokyo International Law Office is known for leading high-value cross-border corporate and M&A transactions, particularly in the energy, media, manufacturing, and finance sectors. The team is co-led by Mikiharu Mori, who brings broad experience across transactional work, from domestic strategic consolidations to intricate cross-border acquisitions, and Koki Yamada, who is deeply involved in complex, high-stakes corporate matters, offering strong cross-border advocacy for Japanese businesses. Junzaburo Kiuchi is also a key figure in the team, providing strategic advice on general corporate and commercial law, with a focus on international expansion, governance frameworks, and corporate reorganisations.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘While the firm is based in Tokyo, lawyers are excellent at working in cross-border cases.’
‘Koki Yamada is prominent in providing effective advice.’
'Their team provided invaluable support across multiple areas. From navigating Japanese corporate and regulatory requirements to structuring the M&A aspects efficiently, they offered practical, business-oriented guidance. What made the practice unique was not only its deep expertise in cross-border transactions, but also its ability to anticipate cultural and operational challenges.'
Key clients
- Toyota Motor Corporation
- Piece Peace Studio
- NTT Data
- Omron Corporation
- Money Forward
- JSR Corporation
- GMO Research & AI Inc.
- Amp Solar Group
- Inoac Corporation
- AUO Corporation
- Avaloq AG
- Konica Minolta
Work highlights
Acted as sole legal counsel to Toyota Motor Corporation (TMC) in its acquisition of 100% of the share capital of Primeearth EV Energy Co., Ltd. (PEVE) from Panasonic Holdings Corporation.
Acted as lead counsel to a Singapore-based investor consortium, including First Fiore Investments, in its acquisition of trust beneficial interests in three multifamily residential buildings located in Osaka, Japan. The total purchase price was approximately JPY 2.42 billion.
Acted as legal counsel to NTT Data Corporation in a complex cross-border strategic alliance and mutual capital investment with ALLOYED LIMITED, a UK-based leader in advanced metal component design and 3D printing technologies.
Practice head
Mikiharu Mori; Koki Yamada
Other key lawyers
Junzaburo Kiuchi