Awards
Mayuko Tsujimoto is a corporate and M&A lawyer working at Nagashima Ohno & Tsunematsu US LLP. Ms. Tsujimoto has extensive experience advising clients on M&A, general corporate matters and employment law issues in Japan and the U.S. She has represented both Japanese and foreign clients in various cross-border transactions.
Ms. Tsujimoto received an LL.B. from Kyoto University in 2008 and an LL.M. from Harvard Law School in 2016.
Practice Areas
Education/Professional Experience
- 2008
- Kyoto University (LL.B.)
- 2010 -
- Nagashima Ohno & Tsunematsu
- 2016
- Harvard Law School (LL.M.)
- 2016 - present
- Nagashima Ohno & Tsunematsu NY LLP (now Nagashima Ohno & Tsunematsu US LLP (New York Office))
- 2021 - present
- Partner, Nagashima Ohno & Tsunematsu NY LLP (now Nagashima Ohno & Tsunematsu US LLP (New York Office))
- 2026 - present
- Nagashima Ohno & Tsunematsu US LLP (Silicon Valley Office)
Awards
Seminars
-
September 25, 2025 (Thu) 11:00 - 12:00Future Outlook for M&A Targeting Listed Companies in Japan in light of Public M&A Rules in Major Foreign Jurisdictions
- Shuichi Nishimura
- Kosuke Hamaguchi
Online (Live & On-Demand)
- M&A
- Mergers & Acquisitions
-
July 31, 2025 (Thu) 15:00 - 16:00Latest Practices in Cross-Border M&A: Trends and Future Outlook for Japanese Companies in Transactions with the U.S., China, and Europe in Light of Global Developments
- Makoto Ohnuma
- Mayuko Tsujimoto
- Haseru Roku
Online (Live & On-Demand)
- M&A
- Mergers & Acquisitions
- Global Practice
-
June 4, 2025 (Wed)Asia Access Connect: A new era for Japanese M&A
- Ryo Okubo
- Mayuko Tsujimoto
Lever Club (New York)
- M&A
- Mergers & Acquisitions
- International Trade and Commerce, and Economic Sanctions
-
December 5, 2023 (Tue) - December 4, 2024 (Wed) 16:00Key Considerations on M&A from the Seller’s Perspective in Light of Recent Developments
- Wataru Matsumoto
- Mayuko Tsujimoto
Online (On-Demand)
- M&A
- Mergers & Acquisitions
- Corporate
Publications
-
Media
Japan’s Largest Law Firms See Soaring Concern Among Japanese Corporates Over Russia’s Draft Nationalization Law
(April 2022)
Hironobu Tsukamoto, Makoto Ohnuma, Mayuko Tsujimoto (Comment)
- Corporate
- Corporate Governance
- Global Investigations / Crisis Management / Compliance
-
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
-
Articles
Expected Amendment to Procedural Rules on Allotment of Shares
(June 2013)
Tsuyoshi Shimizu, Mayuko Tsujimoto (Co-author)
- Corporate
- General Corporate
