Examples Illustrating Recent Japanese Patent Search Cases

Every month we perform a few foreign patent searches for clients worldwide for the purpose of infringement, patentability, validity, invalidity,etc.

In this section, we list a few examples of such projects we performed recently. If you have a specific search project, we would be happy to send you a proposal and estimate.

• We performed a very comprehensive Japanese prior art search for wind turbine rotor blades and wind turbines
The scope of this project is to find Japanese prior art, including patent, non-patent literatures as well as internet search that disclosing wind turbine rotor blades and wind turbines. For infringement litigation.


• Search for Japanese Prior Art about True Random Number Generator for Game Machines
The scope of this project is to find prior art published before 1998 in the area of random number generator and RN generation method for game machines and computers. For inValidity case.


• Another example of emitting diode search for validity patent litigation
Combination of full text and IPC search were used, and 860 hits were screened and reviewed. Patentability case.

Some other examples and information:

• Finding Japanese Patent about Light-emitting Diode (LED): infringement case


• Example of Full Text Search about Wireless Communication Device


• Japanese patent numbering system


• Navigation system / GPS


• Searching Japan Patent and Non-patent Literature. Another GPS Navigation System case


• Lithographic Method of Semiconductors. Infringement case


• Digital Cameras


• Another Digital Cameras case with unique parameter setting function


• Another Digital Cameras with image rotation during display, patent infringement litigation case