International Patent Application (PCT) Entry into Japan

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.

Necessary informations/documents for entry into Japanese national phase

Q) Necessary informations/documents for entry into Japanese national phase:

A)
(1) Full name and full address of Inventors,

(2) Full name, full address and nationality of Applicants, and

(3) International patent application number

The above informations should be described in Japanese language in a special transmittal form for entering the national phase.