Can the patent application fee be refunded?

According to the detailed rules for the implementation of the Patent Law, procedures such as patent application shall be handled in accordance with the regulations. The refund of the patent application fee is explained as follows: if the applicant overpays, wrongly pays or re-pays the patent fee, it will be refunded after verification by the patent office within one year from the date of payment. If it is submitted after more than one year, it will generally not be returned. Applicants can also ask for a refund if they have paid for a program, but the program has not actually started. For example, after paying the request fee for substantive examination, the applicant withdraws the application before the substantive examination or the application is deemed to have been withdrawn, and may request a refund of the actual examination fee. However, if the application is deemed to have been withdrawn due to insufficient payment of the application fee, it shall not be required to refund part of the application fee already paid. Because the application procedure has started from the acceptance, after the application is accepted, the rights and other rights that are the basis of foreign priority and domestic priority are also obtained. When the application is regarded as withdrawn, the application procedure ends. Go through all kinds of formalities without deadlines. If it is deemed that the formalities have not been put forward, all other expenses can be refunded except the filing fee for project change.