How long does it take to change the patent?

Generally speaking, whether it is practical or invention, it takes 30 working days to change the authorized patent and one and a half months to issue the license. At present, the change is relatively fast, and it will be ready in about a week or two. The electronic compliance notice will be issued one or two days after the change. A copy of the patent register and the paper conformity notice will be received in about two weeks, and the certificate will be obtained in about one month.