1. Priority requirements of Japanese patent application (if any):

1). An application for priority shall be filed within 12 months from the filing date of the first application in other countries.

2) At the time of application, it should be claimed that the priority certificate can be submitted to the Japanese government within 16 months from the priority date.

3) The domestic priority shall be claimed within 12 months from the filing date of the previous case, and the previous case shall be abandoned.

2, the Japanese patent application review procedures:

1) review system: Japan implements the system of first application, public application and actual trial request for invention patents.

2) The patent application is published 18 months after the filing date (priority date);

3) Need to request the entity to review within 3 years from the date of application (or priority date). The examination is conducted by the examiner of the concession office, who judges whether the patent application can be granted a patent right.

Generally, foreign patent applications will entrust an agency. Because of the difficulty, it is very troublesome and time-consuming to apply for it without knowing foreign policies. In case of rejection, you still have to entrust a lawyer.