Yutaka Miyoshi IP Law - Japan

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Mori Hamada & Matsumoto
16th Floor, Marunouchi Park Building
2-6-1 Marunouchi, Chiyoda-ku
Tokyo 100-8222, Japan

Tel: +81-3-5223-7749
Fax: +81-3-5223-7649

Email: yutaka.miyoshi@mhmjapan.com
Web: www.mhmjapan.com

Yutaka Miyoshi has focused on the area of intellectual property litigation. He has also been engaged in a number of cases involving unfair competition and product liability litigation. He has handled legal matters in a broad variety of areas, such as semiconductors, telecommunication, communication satellites, optical lenses, various types of machinery, medical drugs, biotechnology-related goods, game software, Internet-related business and entertainment including sports business.


Tokyo Bar Association; New York State Bar Association; Member of the Legal Committee, Asian Football Confederation (2011 to date); Member of Executive Committee, Japan Football Association (2012 to date).


Joined Mori Hamada & Matsumoto (1995).


“Patent Litigation – Third Edition”, Thomson Reuters (Professional) UK Limited, 2016 (Co-Author); “Trade Mark Litigation – Second Edition 2013”, European Lawyer, 2013; “Overview of Japanese Class-Actions -Committee on Collective Consumer Damage Report-“, Accounting & Auditing Journal, Vol. 23 No.2 January, 2011; “Copyright Law (New Edition)”, Chuokeizai, October 2008.


Keio University (LLB, 1991); The George Washington University Law School (LLM, Intellectual Property 2003).

The IP Law Practice:

Our legal expertise covers licensing, joint research and development, technology transfers, and other aspects of intellectual property law. We provide advice, assistance, and representation with respect to the management and strategic use of intellectual property, filing and conducting trademark applications, personal information and privacy, contract negotiations, and dispute resolution.

Our lawyers are also active in holding seminars and lectures (for the public and clients), and publishing articles on intellectual property.


Recent court cases in Japan have made it increasingly important for both large and small companies to give careful attention to the management of intellectual property rights generated in the course of day-to-day operations, particularly in terms of preventing the disclosure of trade secrets. We advise both start-up ventures and large corporations, as well as universities that handle technology transfers, in connection with internal policies and procedures to control, protect, and acquire intellectual property rights, and to increase corporate value through brand strategy.


Our trademark team comprises lawyers and a patent attorney who deal with all matters relating to trademarks, including preliminary investigations of trademarks, strategic trademark portfolio advice, applications for registration, transfers and other procedures, and procedures for invalidation. We provide total brand management and support to our clients, from pursuing trademark applications to dealing with infringement matters.

Mori Hamada & Matsumoto:

Mori Hamada & Matsumoto is a full service law firm that has served clients with distinction since its establishment, in December 2002, by the merger of Mori Sogo and Hamada & Matsumoto. Even as business conditions have rapidly shifted both within Japan and internationally, the firm’s goal has been to grow with our clients through tireless effort and constant innovation.

Led by top-rated lawyers across a wide array of practice areas, our large team of legal professionals and support staff offer the firm their experience, expertise and hard work to bring our clients the best results in every matter we handle. Our team strives to build new frameworks to tackle cutting-edge problems, to break down barriers on tough cases, and to find a common resolution in matters with many conflicting interests.

Based on this solid foundation of experience, Mori Hamada & Matsumoto also contributes significantly to the constant evolution and improvement of the Japanese legal system, and to the creation of a legal infrastructure that will enable our clients to excel.

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