How to complain about invention patents?

The process of applying for a patent for invention is as follows:

1. application: the applicant submits the application materials according to the regulations;

2. Acceptance and payment: China National Intellectual Property Administration accepts the application and the parties pay the patent application fee;

3. Preliminary review: China National Intellectual Property Administration will conduct preliminary review after acceptance;

4. Announce in advance: announce immediately after the first trial is passed;

5. Substantive examination: China National Intellectual Property Administration conducts substantive examination according to the requirements of the applicant;

6. Authorized registration: after examination and approval, the invention patent certificate is authorized to be issued, and registration and announcement are made at the same time.