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This content is provided by Atsushi Oishi.

Practice Areas

M&A, tax, Private Client / Wealth Management

Professional Memberships

Admitted in Japan, 1998; New York, 2004. Daini-Tokyo Bar Association; Registered as Licensed Tax Accountant, 2006; Member of Task Force on Management Buy Out Transactions organised by the Ministry of Economy, Trade and Industry (2007); Member of the Expert Committee on Anti-Tax Haven Legislation and Intangible Assets, organized by the Ministry of Economy, Trade and Industry (2013); Invited researcher at Global Family Business Research Institute, Waseda University (2016).


Worked at Weil, Gotshal & Manges, New York (2003-04).


"The International Comparative Legal Guide to: Private Client 2018- Japan Chapter" The International Comparative Legal Guide to: Private Client 2018, 2018; "Increased Options for M&As: Legal and Tax Affairs Under the Revised Industrial Competitiveness Enhancement Act" Junkan Keirijouhou No. 1523, 2018; "Tax Q&A: Transaction Drafting Issues - Second edition" Chuokeizai-sha, 2018; "Tax Reform 2017: Impacts on M&A Practice" Sozei Kenkyu, 2017; "Cross-border Stock-for-stock Merger Between a Japanese Listed Company and a UK Private Company" Commercial Law Review, 2016; "Comprehensive Analysis of M&A Laws of Japan" Yuhikaku Publishing, 2015; "M&A Strategies from both a Tax and Legal Perspective - Second edition" Chuokeizai-sha, 2015; "New developments in cross-border M&A with stock as consideration" Commercial Law Review, 2014; "Tax Correction" Jurist, 2013; "Minority Squeeze-Out Mechanisms under Amended Corporate Law: Comparative Overview of Legal and Tax Considerations" Keiri-jouhou, 2012.


Graduated from the University of Tokyo (LLB); New York University School of Law (LLM, 2003).