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With more than 25 years of experience in intellectual property counseling and litigation, Michiru Takahashi has represented famous brands such as Starbucks, Dell, Mag Instrument, and Sunkist. Her practice focuses on trademark, unfair competition, and copyright issues, including infringement litigation and trademark prosecution.

Michiru has significant experience protecting trade dress and product configuration. As lead counsel, she represented Mag Instrument in the landmark case at the Intellectual Property High Court. The case marked the first time the court granted 3-D trademark registration to a product configuration (i.e., Mini Maglite flashlight product shape). She also has extensive experience in cross-border technology transactions, including patent and know-how licensing and development agreements.

In addition, Michiru frequently counsels clients on privacy and data security issues. With more than 10 years of experience in this practice, she regularly advises foreign clients on Japanese personal information protection law, including the development of internal policies and measures against privacy breach cases. She also has significant experience advising Japanese multinational clients in relation to international transfer of personal data and EU and other Asian nations' data protection laws and regulations.

Michiru is a member of the Daini Tokyo Bar Association, the Japan Patent Attorneys Association, the International Association for the Protection of Intellectual Property (AIPPI), and the International Trademark Association.


  • Mag Instrument is first to obtain 3-D trademark registration in Japan in landmark Intellectual Property High Court decisionJones Day recently acted as counsel to Mag Instrument, Inc. ("Mag Instrument") in an action filed with the Japanese Intellectual Property High Court.
  • Dell pursues trademark protection and enforcement in JapanJones Day represents Dell Inc. in terms of trademark prosecution in Japan and filing of oppositions.
  • Dell settles dispute over unauthorized name useJones Day represented Dell Inc. in terms of unauthorized use of Dell's name for the domain and obtained settlement on mutually agreeable terms.
  • Fresenius Medical Care settles Japanese patent infringement case involving membranes used in dialyzersJones Day defended Fresenius Medical Care's Japanese JV, Fresenius-Kawasumi, in a patent infringement case regarding membranes used in dialyzers.
  • Mag Instrument builds and protects flashlight trademark portfolio in JapanJones Day is representing Mag Instrument in several trademark prosecution and opposition matters in Japan relating to its famous MAGLITE® brand.
  • Mag Instrument files action to protect distinctive design of Mag flashlights in JapanJones Day won a victory for California-based Mag Instrument, Inc., the manufacturer of the world-famous MAGLITE® flashlights, against Asahi Electric Co. in Osaka District Court in Japan, where Mag had sued Asahi under the Unfair Competition Prevention Law, which offers protection against copied products.
  • Mag Instrument settles trade dress infringement suit involving flashlight shapeJones Day represented Mag Instrument, Inc. in a trade dress infringement suit regarding the product shape of a flashlight.
  • Mag Instrument resolves trade dress infringement suit involving flashlight shapeJones Day represented Mag Instrument, Inc. in a trade dress infringement suit regarding the product shape of a flashlight.
  • Midway Games negotiates exclusive distributorship agreement with Aruze for video gamesJones Day represented Midway in terms of its negotiation for video game exclusive distributorship agreement with Aruze Corp.
  • Starbucks pursues counterfeit products and trademark infringement in JapanJones Day represented Starbucks Corporation in various counterfeit product cases and trademark infringement cases in Japan, several of which obtained favorable settlement results.
  • Additional Publications

    • January 2018
      Law and Practice Japan, Pharmaceutical Advertising, Chambers Global Practice Guides
    • December 2017
    • September 2017
      Data Breach Advisory Note-Japan, DataGuidance
    • May 2016
      Data Breach Advisory Note-Japan, DataGuidance (on-line)
    • May 2009
      A Privacy Primer for Corporate Counsel, Thomson Reuters/Aspatore
    • January 2007
      Q&AでスッキリわかるIT社会の法律相談/Q&A Legal Issues in IT Society(清文社)
    • March 2006
      Personal Information Protection Law in Japan, Privacy & Data Security Law Journal
    • March 2006
      Personal Information Protection Law in Japan, Privacy & Data Security Review
    • March 2006
      Personal Information Protection Law in Japan, World Data Protection Report, BNA International
    • June/July 1995
      Parallel Importation of Patented Goods Does Not Constitute Patent Infringement, Issue 73 of Patent World

    Speaking Engagements

    • October 23, 2017
      How to Prepare for the GDPR for Japanese Companies
    • October 2017
      ジョーンズ・デイセミナー:EU一般データ保護規則(GDPR)への備え - 日本企業向け -
    • July 2017
    • April 2017
      ジョーンズ・デイ ライフサイエンスセミナー:医薬品に関する国際契約書の作成・交渉(1)
    • July 2016
    • June 2016
      ジョーンズ・デイ ライフサイエンスセミナー:近時の EUにおけるデータに関する新情勢
    • April 2016
      AIPPI JAPANセミナー:米国特許訴訟の最新情報
    • September 2015
    • September 2015
      日本弁理士会セミナー:米国における知財法務の最新動向 ~現在のアンチパテント環境における道標
    • December 2014
      AIPPI JAPANセミナー:米国特許訴訟の最新情報
    • September 2013
    • September 2012
    • November 30, 2001
      Privacy Protection in the Network Society, Tokyo Metropolitan Research Laboratory of Public Health.
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