Shigeki Tatsuno

  1. 81-3-6888-1124
  2. 81-3-6888-3124

Practice Groups

・Corporate Transaction
・Financial Services & Transactions
・Asia and Emerging Countries Practice


・"Resurgence Of M&A Activities In Japan And How Deal Levels May Be Boosted By Recent Amendments To The Companies Act" (Expert Guide: Mergers & Acquisitions 2015, CorporateLiveWire website) (June 2015) (co-author)
・"Japanese cross-border M&A" (Financier Worldwide website) (February 2015) (co-author)
・"Patent Systems in ASEAN Countries" (PHARMSTAGE) (November 2014)
・"The change to the scope of "Ordinary Wage" by the Korean Supreme Court's judgment" (Business Homu) (May 2014)
・"Funds: Private Equity, Hedge and All Core Structures" (Japan Chapter) (Wiley 2014) (assisted with publication)
・"Mergers and Acquisitions in Turkey," Kokusai Shoji Homu, Vol. 41, No. 11 (December 2013) (co-author)
・"Q&A: Strategies for Corporate Law Practice in Asia and Emerging Countries" (Shoji Homu 2013) (co-author)
・"Joint Venture" (Japan Chapter) (European Lawyer Reference, 2012) (co-author)
・"Getting the Deal Through - Product Recall 2013" (Japan Chapter) (Law Business Research, 2012) (co-author)
・"Appointments of outside directors in financial institution," Financial Law Journal, No.1955 (October 10, 2012)
・"The Corporate Governance in Foreign Countries -Korea-," Gekkan Kansayaku, Vol.600 (June 2012) (co-author)
・"ANALYSIS Take Over Bid" (Shoji Homu 2009) (co-author)
"The points to be noted in the process of acquisition of listed companies in France," Kokusai Shoji Homu, Vol.36 No.6 (June 2008) (co-author)

・"Important Legal Issues on Investment in Venture - Latest Trends, Due Diligence, Investment Agreement and Alliance Agreement-," Lecture presented at a seminar organized by Finance Facsimile News (April 2015)
・"Legal and Labor Issues over Expansion into Indonesia," Lecture presented at a seminar organized by Japan Productivity Center (January 2015)
・"Legal issues in venture investment," Lecture presented at a seminar organized by Financial Management Forums, Inc. (December 2014)
・"Joint Ventures: the basic elements of a JV contract and specific issues for Asia and the emerging markets," Lecture presented at a seminar organized by Corporate Management Forums, Inc. (November 2013)
・"Joint Ventures: overseas joint venture issues in perspective," Lecture presented at a seminar organized by Financial Management Forums, Inc. (June 2012)


The University of Tokyo (LL.B., 2000); The Legal Training and Research Institute of the Supreme Court of Japan, 2001-2002; graduate study, New York University School of Law (LL.M., 2007). Associated with Herbert Smith (currently, Herbert Smith Freehills), Paris, November 2007 - July 2008.

Professional Admissions

Japan (2002)
New York (2008)

Professional and Academic Associations

・Dai-ni Tokyo Bar Association
・New York State Bar Association
・Entertainment Lawyers Network
・Member of the Human Research Ethics Review Committee of Graduate School of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, The University of Tokyo (November 2014 -)


・Japanese (first language)