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Shearman & Sterling

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Masahisa Ikeda

Work +81 3 5251 1601
Shearman & Sterling LLP

Work Department

Capital Markets


Masahisa Ikeda is the Managing Partner of Shearman & Sterling’s Tokyo office. Mr. Ikeda’s practice covers general corporate matters, with a particular focus on capital markets, M&A and asset management. He has extensive experience representing Japanese issuers and underwriters in registered global offerings, listings and global private placements, and representing Japanese corporations either as buyers or sellers in cross-border M&A and private equity transactions. He has provided advice to numerous industrial and financial clients in Japan, including many of the largest electronics manufacturers, high-technology companies, securities firms, and U.S. and Japanese regulatory authorities. He also represents numerous Japanese corporations on various U.S. antitrust law matters and anti-corruption matters. Mr. Ikeda has been named a leading practitioner for capital markets, M&A and asset management by Chambers Global, Chambers Asia, Asia Pacific Legal 500, IFLR 1000 and the Nihon Keizai Shimbun.


English; Japanese; French


Harvard Law School, J.D, 1993, cum laude; University of Tokyo, LL.B., 1990; Harvard University, A.B., 1989, magna cum laude

Japan: Antitrust and competition law

International firms and joint ventures

Within: International firms and joint ventures

The team at Shearman & Sterling works with colleagues in the US and Europe to advise Japanese corporations and financial institutions on complex antitrust matters, including mergers and acquisitions, joint ventures, class actions, private antitrust litigation, cartels and civil government investigations. Masahisa Ikeda is the main contact.

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Japan: Banking and finance

International firms and joint ventures

Within: International firms and joint ventures

The energy sector remains a strong focus of Shearman & Sterling, where project finance specialist Etienne Gelencsér is a key name. Other noteworthy individuals include Asia regional managing partner Masahisa Ikeda and Kenneth Lebrun, who handles private equity transactions. Clients include financial institutions, funds, underwriters and Japanese companies.

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Japan: Capital markets

International firms and joint ventures

Within: Leading individuals: foreign lawyers (gaiben)

Masahisa Ikeda - Shearman & Sterling

Within: International firms and joint ventures

As ‘a great firm for US law advice’, Shearman & Sterling has ‘a wealth of experience operating in the Japanese market’, thanks in part to the ‘exceptional knowledge’ of practice head Masahisa Ikeda. Ikeda has notable expertise acting for Japanese corporates in SEC-registered and private placement offerings; he recently advised Toyota on a take-private transaction of Daihatsu Motor involving an SEC registration, and acted for JXTG Holdings on its $16bn business integration with TonenGeneral including a share exchange and related SEC disclosure obligations. Counsels Toshiro Mochizuki and Kana Morimura are also recommended.

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Japan: Corporate and M&A

International firms and joint ventures

Within: International firms and joint ventures

The ‘extremely helpfulKenneth Lebrun heads the ‘highly knowledgeable’ group at Shearman & Sterling, and recently led advice to Sompo Holdings on its $6.3bn takeover of Endurance Speciality Holdings. Other mandates included assisting Japan Nuclear Fuel with its acquisition of a 5% stake in New Areva Holding, acting on the $2bn merger of Daishi Bank and Hokuetsu Bank, and handling Integral’s $218m acquisition of Aderans. Merrill Lynch Japan Securities and Coca-Cola Bottlers Japan are also clients; Lebrun advised the latter on its establishment as a result of the integration of Coca-Cola West and Coca-Cola East Japan. Regional managing partner and head of the Tokyo office Masahisa Ikeda is highly regarded for his cross-border M&A expertise and knowledge of private equity transactions; he recently led advice regarding the business integration of JX Holdings and TonenGeneral through a share exchange, forming JXTG Holdings. Associate Gordon Palmquist is also a key name to note.

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Legal Developments in Japan

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to
  • Taking control of a Japanese publicly listed company:

    Introductory notes for successfully completing an M&A
  • Yuasa and Hara Business Law News

    Contents of the Issue Law on liability for breach of contract Review on the amendment to the cabinet office order on Corporate Disclosure

    The Minister for Justice, Alan Shatter (“the Minister”), has published the Criminal Justice Bill 2011 (“the Bill”). The main purpose of the Bill is stated to be “…to amend the criminal law to improve certain procedural matters and strengthen Garda investigative powers. The intention is that such improvements will assist in reducing the delays associated with the investigation and prosecution of complex crime, in particular white collar crime.”
  • Japan: New legislative framework for Sukuk

    The new framework passed in May 2011 will provide a solid legal platform for issuing Sukuk Ijarah under Japanese law. NAOKI ISHIKAWA highlights key legal structures and tax treatment in respect of the anticipated Sukuk issuances in Japan.
  • Yakult Bottle Acquired Distinctiveness

    Do you know about Yakult's delicious lactic acid drink which is contained in a small bottle? Yakult's lactic acid drink (hereafter referred to as "Yakult drink") is the most famous lactic acid drink in Japan and today is also being sold in many countries around the world. When you are enjoying Yakult drink, please keep in mind the case mentioned below.
  • Tax: Japan: International Joint Ventures

    Tax on international joint ventures. Country Q&A (Japan).
  • Japan: Recent Developments in Practice and Law

    The successful closing of two Islamic fi nance transactions which was announced in July 2010 by Nomura Holdings have paved a concrete path for Japanese corporations to consider overseas Islamic fi nance markets for their fund raising activities. The fi rst transaction was in Asia for the issuance of Sukuk Ijarah and the second was in the Middle East for the establishment of a Commodity Murabahah facility (Nomura Deals).
  • Renewable energy takes off in Japan

    Like many other countries, Japan has decided to reform its renewable energy (RE) policy, to dramatically increase the use of renewable energy. The core policy mechanism is a feed-in tariff (FIT). This chapter summarises the contemplated Japanese FIT and its practical impact on existing and future investment in this sector, providing an overview of:
  • Licensing - 2010

    Q & A on Licensing in Japan 
  • Law on the Civil Jurisdiction of Japanese Courts over Foreign Countries, etc.

    The Law has been enacted to clarify the scope of application of the civil jurisdiction of Japanese courts over foreign countries, etc., and set exceptions to civil preocedings involving foreign countries, etc., based on the United Nations Convention on the Jurisdictional Immunities of States and their property (UN Convention on Immunities) (see Article 1).