Patent Application Number in Japan

Q1) Is the Japanese patent application number same as the PCT application number ?

When is the application number notified ?

A1) No.


Q2) When is the application number notified ?

A2) The Japanese patent application number has the format of “2008-0000000”, more precisely “tokugan 2008-0000000”.

The application number is notified 3 to 5 month after the national phase patent application in Japan (national phase entry into Japan).

cf. In case of a non-PCT patent application, the patent number is given immediately after filing patent application.

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