Ganji Tabe

Patent Attorney

Practice Areas

Mechanical and Civil Engineering
IP Legal Services


B.S., Department of Physics, Keio University
M.S., Department of Applied Physics, Tokyo Institute of Technology

Professional Background

27 years’ experience at the JPO, 1987 - 2014
Examiner and Administrative Judge, 1987 - 2004
Judicial research official, Osaka District Court (also Osaka High Court), 2004 - 2007
Director of Liquid Crystal Element Technology Sub-Division, First Patent Examination Department, 2007 - 2009
Senior Administrative Judge, Eighth Board of Appeal (Optical Devices), 2009 - 2011
Litigation Section, Board of Appeal, 2011 - 2013
Senior Administrative Judge, Seventh Board of Appeal (Optical equipment), 2013 - 2014


Prosecution, opinions, trials for invalidation, and suits against trial decisions

Mr. Tabe specializes in mechanical, electronic, and electrical engineering.  He is also qualified to represent parties in court in IP infringement litigation. During his tenure at the JPO, he worked extensively on patent examinations and appeal examinations in the fields of optical equipment and optical devices.  He was also involved in litigation cases as a representative of the JPO.  From 2004 to 2007, Mr. Tabe was a judicial research official of the intellectual property department at the Osaka District Court and the intellectual property department at the Osaka High Court.

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