At present, in most cases, patent application documents are submitted to the State Information Bureau by electronic application, which is automatically received and reviewed by the system of the State Information Bureau. In many cases, it will be fed back to the applicant (or agency) through the system on the same day (even a few hours), so that the acceptance notice will be issued on the application date.
However, it is necessary to manually accept the patent application documents submitted to the State Information Bureau in paper form, which makes the application date of the acceptance notice late.