Tetsuya Yaguchi

Tetsuya Yaguchi is a registered patent attorney in Japan who focuses his practice on patent counseling, patent licensing and patent infringement litigation in semiconductor, computer, software and electronics industries.

Prior to joining the firm, Mr. Yaguchi was Senior Director of Business Development at Acacia Research Group LLC in Tokyo.Previously, he worked in the Intellectual Property Division at Renesas Electronics Corporation from 2004-2014, and the Intellectual Property Office at Hitachi, Ltd. from 1998-2004.During the period, he was engaged in various projects of patent licensing, litigation and ITC as a manager.

Mr. Yaguchi’s native language is Japanese, and he is fluent in English.


Tsukuba University, M.E. (1998)

Chiba University, B.E. (1996)


Japan Patent Attorneys Association (1993)

Professional & Community Activities

Licensing Executives Society Japan