
DLA Piper Tokyo Partnership Gaikokuho Kyodojigyo Horitsu Jimusho’s corporate practice in Tokyo advises both domestic and international clients on cross-border matters, including in- and outbound energy-related M&A. Practice head Masahiko Ishida acts for both Japanese and international clients in a wide range of M&A and joint venture transactions, including in the tech and life sciences sectors. Peter Armstrong has been working in Japan on M&A, joint ventures, and foreign investments for over a decade. Beelian Tay advises on cross-border mergers, joint ventures, and corporate reorganisations in the healthcare, manufacturing, food, and clothing sectors.
Testimonials
Collated independently by Legal 500 research team.
‘Masahiko Ishida stands out in the sense that he understands the client's business deeply and offers appropriate advice based on the client's business.'
‘Masahiko Ishida and Maika Kawaguchi are both excellent M&A lawyers.'
‘Masahiko Ishida gets to the point quickly without having to explain in detail. He also advises us on points of concern that we are not aware of.’
‘They were reliable and knowledgeable in corporate law, IP, and technology law during the M&A process.’
‘As individuals, they have extensive experience and legal knowledge in M&A, and they are excellent in terms of being easy to communicate with.’
‘DLP Piper has a global team for M&A projects.'
‘They have an excellent commercial ability to understand the client's needs.'
‘The team has a good understanding of business and extensive experience in overseas renewable energy investment projects. There is smooth coordination with overseas offices and the team offers prompt and accurate responses.'
Key clients
- ENEOS Corporation
- Japan Bank for International Cooperation (JBIC)
- Marubeni Corporation
- Mitsubishi Corporation
- Sequoia Capital India Investments
- Tokyo Metropolitan Government
- Asahi Shuzo Co., ltd.
- Kansai Electric Power Company
- Tokuyama Corporation
- Yaskawa Electric Corporation
- Octopus Energy Group Limited
- Rakuten Symphony
Work highlights
- Advising Renesas Electronics Corporation on its AUD 9bn acquisition of ASX-listed Altium Limited.
- Advising KEPCO on its minority investment into Odfjell Oceanwind, a Norwegian floating wind engineering and construction company.
- Advised JBIC on its joint investment with Mitsui & Co., Ltd. in Wellesta Holdings Pte. Ltd., a company headquartered in Singapore.
Lawyers

Practice head
The lawyer(s) leading their teams.
Masahiko Ishida