M&A and Corporate Finance


Anderson Mori & Tomotsune


Anderson Mori & Tomotsune is one of the largest, full service law firms in Japan, with over 400 lawyers, including Japanese lawyers (bengoshi) and lawyers qualified in foreign jurisdictions, and approximately 170 other professional staff including more than 15 patent lawyers, immigration lawyers, foreign legal trainees, translators and paralegals. The firm has extensive experience in representing Japanese and international clients in their M&A transactions in Japan and around the world. Our clients include global financial institutions, multinational corporations and private equity funds. Our particular strength lies in the area of complex cross-border M&A transactions, acting for international clients in their M&A activities in Japan and for Japanese corporations expanding abroad. Our experience also comprises structuring venture capital, private equity, joint venture and strategic investment transactions, usually with a cross-border element. We also have experience in corporate reorganization matters, both in the bankruptcy and the non-bankruptcy context.

Shigeki Tatsuno


Tokyo, Japan

☎ +81 3 6775 1098


Shigeki Tatsuno is a partner at Anderson Mori & Tomotsune who specializes in the area of mergers and acquisitions, joint ventures, and cross-border investments. Mr. Tatsuno has extensive experience in advising venture companies and advising on PE funds. He also advises foreign and domestic clients on intellectual property issues/transactions and general corporate matters. He has a wide-ranging client base both in Japan and overseas and across a variety of industries and sectors, including the life sciences sector. His knowledge of the life sciences sector also saw his appointment as a member of an ethics review committee of the University of Tokyo’s Faculty of Pharmaceutical Sciences. Mr. Tatsuno is a graduate of the University of Tokyo and holds an LLM from New York University School of Law. He is a member of the Japan Federation of Bar Associations and the New York State Bar Association.

Kei Sasaki - AMT Photo.jpg

Kei Sasaki


Tokyo, Japan

☎ +81 3 6775 1140



Kei Sasaki offers a wide range of legal services including international and domestic tax advice; advice on financial transactions such as banking, structured finance and project finance; financial regulation and energy and resources. His practice areas are expanding to FinTech business advice, including structuring and registration in relation to prepaid payment instruments and virtual currency matters such as ICO or Virtual Currency Exchanges Business in Japan.


Takeshi Suzuki


Tokyo, Japan

☎ +81 3 6775 1288


Takeshi Suzuki works mainly in the fields of antitrust and competition law, M&A transactions and other corporate legal affairs. Prior to joining Anderson Mōri & Tomotsune, he practiced cross-border M&A transaction matters, as well as Japanese and EU competition law in Tokyo and Brussels for approximately four years at a leading UK firm. He then worked for the Merger Investigation Division of the Japan Fair Trade Commission as a chief case handler of merger filings for approximately two years. With this background, his practice focuses on Japan and international competition law, with a particular emphasis on merger control. He also provides legal advice in a number of matters related to domestic cartel/bid rigging, distribution, intellectual property, Subcontract Act.

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