1. The applicant submitted the PCT international application to China National Intellectual Property Administration, China.
2. The international stage. China National Intellectual Property Administration, China accepts patent applications as an acceptance bureau and publishes international search reports as an international search unit.
3. Internationally published patent applications. The International Bureau will publish it within 18 months from the priority date.
4. Make a request for international preliminary examination. The applicant shall file an international preliminary examination request at the same time as the application or within 19 months from the priority date, and pay the examination fee.
5. International trials. According to the international preliminary examination report issued by the international preliminary examination unit, the applicant may modify his patent application documents according to the report.
6. Announcement stage. The announcement stage is to tell you whether your patent application is approved or not.