Awards
Kei Okubo is a partner at Nagashima Ohno & Tsunematsu. His practice focuses on M&A and other corporate restructuring transactions. He also advises many domestic and foreign clients on general corporate matters.
He worked at Morrison & Foerster LLP in San Francisco as a visiting international attorney from 2005 to 2006. He graduated with an LL.M. from Stanford Law School in 2005 and with an LL.B. from the University of Tokyo in 1998. He was admitted to the Japan Bar in 2000.
Practice Areas
Education/Professional Experience
- 1998
- The University of Tokyo (LL.B.)
- 2000 -
- Nagashima Ohno & Tsunematsu
- 2005
- Stanford Law School (LL.M.)
- 2005 - 2006
- Morrison & Foerster LLP, San Francisco
- 2008 - present
- Partner, Nagashima Ohno & Tsunematsu
Awards
Seminars
-
October 16, 2025 (Thu) 14:30 - 18:30Nagoya Seminar: Cutting-Edge Legal Issues in Corporate Capital and Global Strategy – Latest Practices in Responding to Shareholder Activism and Cross-Border M&A Strategy
- Fumihide Sugimoto
- Kei Okubo
- Yasuhiro Kasahara
THE STRINGS HOTEL NAGOYA
- Corporate
- Corporate Governance
- M&A
- Mergers & Acquisitions
-
September 7, 2017 (Thu) 15:00 - 17:30M&A Seminar “The Revised Civil Code and Recent Contract Practices”
- Soichiro Fujiwara
- Kei Okubo
- Ryo Okubo
JP Tower Hall & Conference
- Corporate
- General Corporate
- M&A
- Mergers & Acquisitions
-
September 12, 2016 (Mon) 15:00 - 17:30
M&A Seminar “Viewpoints of M&A Risk Control – Representations and Warranties and M&A in Corporate Restructurings”
- Kei Okubo
- Kazuo Tsuiki
- Yutaka Kuroda
JP Tower Hall & Conference
- Corporate
- General Corporate
- M&A
- Mergers & Acquisitions
-
October 8, 2008 (Wed)A lecture presented at a seminar “M&A strategy for global development from maturing domestic market” organized by Nikkei Inc.
- Kei Okubo
- M&A
- Mergers & Acquisitions
Publications
-
Books
“Merger Handbook [4th Edition]”
Shojihomu Co., Ltd. (September 2019)
Yuko Tamai (Editor-in-Chief), Kayo Takigawa, Kei Okubo (Editors), Tomohiko Iwasaki, Kaoru Hattori, Takashi Saida (Co-authors)
- M&A
- Mergers & Acquisitions
-
Books
“Forefront of M&A Risk Management”
Shojihomu Co., Ltd. (March 2018)
Kayo Takigawa (Author and Editor), Yuko Tamai, Tomohiko Iwasaki, Kei Okubo, Tomohiro Okawa, Wataru Matsumoto (Co-author), Mayuko Tsujimoto, Oki Osawa, Yuzuka Oyamada, Tomohiro Sekiguchi (Writing Collaborator)
- M&A
- Mergers & Acquisitions
- Global Practice
-
Books
“Merger Handbook [3rd Edition]”
Shojihomu Co., Ltd. (October 2015)
Yuko Tamai (Editor-in-Chief), Kayo Takigawa, Kei Okubo (Editors), Tomohiko Iwasaki, Kaoru Hattori, Takashi Saida (Co-authors), Nozomu Takashima, Yuki Matsumiya (Writing Collaborators)
- M&A
- Mergers & Acquisitions
-
Books
“Company Split Handbook [2nd Edition]”
Shojihomu Co., Ltd. (October 2015)
Ryuji Sakai (Author and Editor), Tomohiko Iwasaki, Kayo Takigawa, Kaoru Hattori, Kei Okubo, Takashi Saida, Hiroshi Tago (Co-authors), Nozomu Takashima, Yuki Matsumiya (Writing Collaborators)
- M&A
- Mergers & Acquisitions
