Toshiko Takenaka, Ph.D.

Of Counsel


Toshiko Takenaka's practice is focused on domestic and foreign intellectual property matters. She counsels clients in various aspects of patent law and trademark law, litigation and intellectual property matters. Toshiko received her LL.B. from Seikei University-Tokyo in 1981. She received her LL.M. in 1990 and Ph.D. in Comparative Law in 1992 from University of Washington School of Law.


Seikei University-Tokyo
LL.B. 1981

University of Washington
Comparative Law
Ph.D. 1992

University of Washington School of Law
Comparative Law
LL.M. 1990

Honors and Awards

  • Washington Research Foundation Professor of Technology Law
  • Nomination for Annelise Merier Research Award


Toshiko is a Washington Research Foundation/W. Hunter Simpson Professor of Technology Law. She has served as the Director of Center for Advanced Study and Research on Intellectual Property (CASRIP) at the University of Washington School of Law between 2003 and 2015. She teaches Patent Law, Advanced Patent Law, Advanced Trademark Law, Intellectual Property Enforcement Tutorial and Transnational IP Law Theory and Practice.

After receiving a Bachelor of Law degree from Seikei University, Tokyo, Toshiko pursued a successful career in patent prosecution and management with Texas Instruments Japan Ltd., where she served as a patent prosecution specialist. In 1986, she passed the Japanese Patent Attorney (Benrishi) Bar and worked as an associate for the Yamasaki Law and Patent Office. Toshiko was a visiting scholar with the Max Planck Institute for Domestic and International Intellectual Property in Munich, Germany, and a visiting professor at Waseda University in Tokyo, Japan.

Toshiko has extensively published in the field of comparative patent law and is a frequent speaker for academic and professional seminars focusing on patent law. She is on the board of editors for Journal of Intellectual Property Law and Practice and a member of Intellectual Property Committee within Japan’s Ministry of Economy, Trade and Industry’ Industrial Structural Council.


Toshiko is admitted to the New York State Bar. She is a member of the American Intellectual Property Law Association (AIPLA).

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