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SUGIMURA & Partners

Work +81 3 3581 2241
Fax +81 3 3580 0506
Palo Alto, Tokyo

Kenji Sugimura

Work +81 3 3581 2241
SUGIMURA & Partners

Work Department

Architecture, design, trademarks, international treaties.


Mr Sugimura is a Managing Partner of the firm. As an experienced Japanese patent attorney and litigator specialising in mechanics and architectural engineering, he is actively involved in IP organizations, such as AIPPI, APAA, FICPI, INTA, and the JPAA. He currently serves as a member of the board of FICPI-Japan and on JPAA’s International Activities Center subcommittee. Mr Sugimura has authored several articles on Japanese IP practice in international IP magazines. His writings focus on new changes and trends in Japanese IP practice, general differences between Japanese IP practice and IP practices in the US and Europe, and industry specific opportunities within the Japanese IP market.


Prior to assuming his position of SUGIMURA & Partners, Mr Sugimura was a professional architect for Lord Norman Foster in London and a head architect in the construction of the HSBC Headquarters in Hong Kong, a leading example of high-tech architecture. He brings the international exposure, bold vision, and attention to detail from his architecture background to enrich SUGIMURA’s dedicated attention to the firm’s international clients.


English, Japanese




Waseda University (BS Architecture; MS Architecture).

Japan: Intellectual property

Intellectual property – Independent local firms

Within: Intellectual property – Independent local firms

SUGIMURA & Partners provides IP services to both domestic and international clients ranging from single inventors and start-ups, to well established academic institutions and multinational corporations. Co-head Kenji Sugimura is a Japanese patent attorney and litigator specialising in mechanics and architectural engineering, while fellow head Koji Sugimura’s practice focuses on dispute resolution in the areas of intellectual property, trade secrets, information technology, privacy, and media/entertainment.

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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

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  • Tax: Japan: International Joint Ventures

    Tax on international joint ventures. Country Q&A (Japan).
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    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).