Legal analysis: the application is made public in advance and the real trial is requested. Enter the real experimental stage after half a year from the date of application. Now the review is relatively fast, and it will enter the real trial stage in more than three months, but the real trial stage does not necessarily mean that your case will be really tried, but you should be waiting for the proposal. If there is no requirement for publicity in advance and actual trial is required, it will be 18 months.
Legal basis: Article 34 of the Patent Law. After receiving an application for a patent for invention, the administrative department for patent in the State Council, after preliminary examination, finds that it conforms to the provisions of this Law, and shall publish it immediately after 18 months from the date of application. The patent administration department of the State Council may publish its application at an early date upon the request of the applicant.