Keiji Tonomura
Partner
Tokyo Office
Keiji Tonomura
Partner
Tokyo Office
Keiji Tonomura is a partner at Nagashima Ohno & Tsunematsu. His practice focuses on mergers and acquisitions and intellectual property and information technology related transactions and counseling. He has extensive experience representing global and local clients on mergers and acquisitions, joint ventures, strategic alliances and other complex business transactions as well as data security and data privacy issues across a range of industry sectors, with a particular focus on the TMT (technology, media and telecoms) sectors and the new business fields generated by the development of emerging technologies, such as sharing economy, Fintech, IoT and AI. He also regularly provides global and local clients with corporate governance related and other general corporate advice.
Practice Areas
Languages
Japanese, English
Qualifications
2007(-2012), 2014, Japan (Dai-Ichi Tokyo Bar Association)
Practice Areas
Languages
Japanese, English
Qualifications
2007(-2012), 2014, Japan (Dai-Ichi Tokyo Bar Association)
Legal Seminar
Kiyoshi Honda, Shigeki Minami, Keiji Tonomura, Masaki Mizukoshi, John Lane, Takeshi Hayakawa, Yuki Matsumiya
Nagashima Ohno & Tsunematsu Tokyo Office
ADVANCE Corporate Law Seminar
Yutaka Kuroda, Shuichi Nishimura, Keiji Tonomura
Online (Live & On-Demand)
Technology & Innovation Seminar
Keiji Tonomura, Atsushi Yamaguchi, Akira Komatsu
Online (On-Demand)
NO&T - McDermott Will & Emery Joint Seminar
Akemi Suzuki, Keiji Tonomura, Dr. Boris Uphoff (McDermott Will & Emery)
Nagashima Ohno & Tsunematsu Tokyo Office
(June 2025)
Keiji Tonomura, Yukiko Konno, Minh Thi Cao Koike, Yoshiteru Matsuzaki (Co-author), Masahiro Kondo (Contributor)
(April 2025)
Keiji Tonomura, Akira Komatsu (Co-author)
(April 2025)
Keiji Tonomura, Shu Sasaki, Kazuyuki Ohno, Otoki Shimizu (Co-author)
(February 2025)
Keiji Tonomura, Minh Thi Cao Koike, Akira Komatsu, Yuki Matsumiya (Co-author)