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Japan

 

 

In Japan, two kinds of patent applications are possible.  The first is a patent application and the second is a utility model patent application.

 

In the application process for patent, once the application is filed at the Japanese Patent Office, it will undergo a formality examination.  Then, the application will be published prior to examination.  Upon a request to proceed examination is filed by the applicant, it will undergo substantive examination.  If all requirements are complied with, the application will be allowed to grant and publication.

 

In the application process for utility model, after the application is filed, it will undergo fundamental important point examination.  The application will go through formality checking.  Amendment may be required before it can proceed to grant and publication.

 

The duration of a patent right shall expire after a period of 20 years from the filing date of the patent application.

 

The duration of a utility model right shall expire after a period of 10 years from the filing date of the application.