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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

Independent local firms

Within: Independent local firms

Sugimura & Partners advises clients on patent, design, and trade mark prosecution and strategy, proceedings before the JPO, infringement, and unfair competition matters. The firm has recently added a litigation team, well-equipped to handle contentious IP matters. Practice head Kenji Sugimura is a strong choice for patent prosecution.

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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

    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: