On the Effective Time of Patent Substantive Examination

The application and examination process of invention patent is as follows:

Application-Acceptance-Confidential Review-Grading-First Trial-First Trial Qualified-Publication of Application Documents-Actual Trial-Authorization

Your patent application can't be published until it passes the preliminary examination, and it can't enter the actual trial stage until it is published.

If you have got the notice of qualified preliminary examination and the patent documents have been published, then wait. The patent office has a large amount of examination, and cases have to be queued.