How to grasp the disclosure time of patent application? How to grasp the disclosure time of patent after patent application? The editor below has compiled relevant information for you, hoping to help you understand this issue better. How to grasp the disclosure time of patent applications. After the patent administration department of the State Council receives an invention patent application and determines upon preliminary examination that it meets the requirements of this Law, it will be announced immediately after eighteen months from the date of application. The patent administration department of the State Council may publish the application as early as possible upon the applicant's request. Under this provision, companies can choose whether to request early publication and thus choose to shorten or exhaust the eighteen-month period. How to determine the disclosure time of patent applications?