Patent Attorney	Taro Nagayoshi
Specialties	Design practice before the Japan Patent Office and Intellectual Property High Court; legal opinions on design infringement and validity.
Education	Tokyo University of the Arts, Fine Arts
Career	Worked for the Japan Patent Office as: a) Examiner and Chief Board of Appeal Examiner in the field of Design, b) Design Examination Standards Office and Hague Act sub-committee c) Director: Design Registration System Planning Office Lecturer at Tokyo Zokei University.

Managing Partner	Yasunori Ohtsuka
Specialties	Patent, design and trademark practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts and Customs (seizure of IP-infringing products at the customs offices); legal opinions on infringement and validity; particular experience in the area of business equipment, telecommunications and medical equipment.
Education	B.A., Chuo University, Law Diploma, Tokyo Electric University, School of Electronics
Career	Admitted to practice as a Japanese Patent Attorney in 1972. Worked as a Patent Attorney for Burroughs Japan prior to founding the Ohtsuka Patent Office. Brought the Office into the top twenty Patent Law Firms in Japan, and, in particular, into the top ten Patent Law Firms in the fields of electronics and physics.
Membership(s)	Member of Japan Patent Attorneys Association and other professional associations such as AIPPI , APAA and Institute of Intellectual Property; Chairman of the Japan/US Study Group at JPAA/AIPLA, Vice-President of LES
Publication(s)	Practical Advice on Patents (co-author; published by Ohm); The Basics of Patents (published by Ohm); Protecting Intellectual Property in Japan (AIPPI Japan); Trial/Appeal Procedure in the U.S. and in European Countries (Gyosei); Editor of Review of the CAFC’s Decisions (published by ILS)

Patent Attorney	Shuji Kimura (Partner)
Specialties	Patent, design and trademark practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts and Customs; legal opinions on infringement and validity; particular experience in Customs proceedings and also in the fields of automobile, industrial machinery, semiconductor production equipment, and amusement software fields.
Education	B.S., Mechanical Engineering, Waseda University
Career	Japanese Patent Attorney since 2000. Engineer, Tokyo R&D Corporation, specializing in electric power assisted steering systems. Actively handling Boards of Appeal and IP High Court cases.
Membership(s)	Japan Patent Attorneys Association (JPAA), the Customs Intellectual Property Information Center (CIPIC)
Publication(s)	The Basics of Patents（co-author; published by Ohm); contributes CAFC reports to The Lawyers (monthly journal)

Patent Attorney	Yasuhiro Sakata (Partner)
Specialties	Patent, design and trademark practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts; legal opinions on infringement and validity; Particular experience in the areas of Internet technology, telecomunications and mobile communications.
Education	B.S., The University of Tokyo, Electronic and Information Engineering M.S., The University of Tokyo, Electronic Engineering
Career	Japanese Patent Attorney since 2004. Conducted study on information technology with an emphasis on the fields of Internet search engines, web applications and artificial intelligence.
Membership(s)	Japan Patent Attorneys Association (JPAA), The Institute of Electronics, Information and Communication Engineers

Patent Attorney	Hideo Sugawara
Specialties	Patent, design and trademark practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts; legal opinions on infringement and validity; Particular experience in the areas of control engineering, fluid mechanics, material engineering and related technologies.
Education	B.S., Keio University, Mechanical Engineering M.S., Keio University, School of Integrated Design Engineering
Career	Japanese Patent Attorney since 2010.
Membership(s)	Japan Patent Attorneys Association (JPAA)