Masayuki Yamanouchi
Partner
Tokyo
LEGAL AWARDS
The Best Lawyers in Japan™・Best Lawyers: Ones to Watch in Japan™ (2025 Edition)
Key Practice Areas
Intellectual Property
Tech/Data/IT/Telecom
Life Sciences
IP Dipspute (litigation, arbitration, customs action)
Health Care, Pharmaceutical and Life Science
TEL:81-3-6775-1187
/FAX:81-3-6775-2187
Masayuki holds a master's degree in science, and has been engaged in a number of patent infringement lawsuits and other IP related matters since he became a lawyer. His main focus is on the pharmaceutical industry, in patent infringement actions as well as licensing negotiations, joint development projects, and technology transfer projects. He also has expertise and experience in other forms of intellectual property, including trademarks, copyrights, and trade secrets. In addition, with his experience in the U.S. (both in law school and at a law firm focusing on patent matters), he also provides advice to clients involved in patent lawsuits in the U.S.
SERVICES
Practice Areas
Intellectual Property
Tech/Data/IT/Telecom
Life Sciences
Media and Entertainment
Dispute Resolution
Industries
Medical, Pharmaceutical, Healthcare, Life Science and Biotechnology
RELATED INSIGHTS
CAREER
Mar 2002
Keio University (Bachelor of Science)
Mar 2004
Keio University (Master of Science)
Mar 2007
The University of Tokyo School of Law (J.D.)
2007 - 2008
The Legal Training and Research Institute of the Supreme Court of Japan
Jun 2013
graduate study, Stanford Law School (LL.M.)
Sep 2013 - Jun 2014
Associated with Finnegan, Henderson, Farabow, Garrett & Dunner (Palo Alto Office)
QUALIFICATIONS
Japan (2008)
New York (2014)
PROFESSIONAL AND
ACADEMIC ASSOCIATION
ACADEMIC ASSOCIATION
Daini Tokyo Bar Association
LANGUAGES
Japanese (first language)
English
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Masayuki Yamanouchi
TEL:81-3-6775-1187
/FAX:81-3-6775-2187
Intellectual Property
Tech/Data/IT/Telecom
Life Sciences
IP Dipspute (litigation, arbitration, customs action)
Health Care, Pharmaceutical and Life Science
Yamanouchi Masayuki
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