2. Give priority to all patents. After the patent application is submitted for priority examination, the whole defense speed will be faster. In other words, after the patent application enters the fast track, it may speed up the authorization or the rejection. Therefore, the application for priority review must comprehensively consider the possibility of authorization, cost or other factors such as competitors' known infringement, and finally determine whether it is really necessary to speed up. Not all patents are suitable for priority examination. For example, cases that are not suitable for priority examination include: the technical field does not meet the requirements of priority examination, the patent itself is not innovative, and it is unwilling to let the patent enter the conclusion state prematurely for special reasons. However, whether the patent application needs priority examination depends on the applicant's own needs and the patent application itself.