How long is the change period of the northern intellectual property-utility model patent inventor?

The change cycle of utility model patent inventor takes about 1-2 months as long as the operation is smooth. If the utility model patent is authorized and free, the required operation cycle will be relatively short. The inventor of the utility model patent may change it at any time. Where a change is requested due to the inventor's omission or wrong filling, a certificate signed or sealed by all applicants (or patentees) and all inventors before the change shall be submitted. And submitted to the patent office for examination, usually entrusted to professionals to handle, more efficient, and will not delay time because of operational errors.

The inventor of a patent is a technician who makes technical contributions to the technical scheme recorded in the patent. In the patent application stage and authorization stage, the inventor can make modifications. There is no specific time limit for the change of patent inventors. Generally, when applying, they make mistakes, write less or write more, and they can change, add or subtract later. However, any changes require the signatures of all inventors in the original application stage. If the name is wrong, you need to provide a copy of your ID card. Now we want to quickly complete the change of the inventor of the utility model patent, more in order to evaluate the professional title, and the participants should change the inventor's position to meet the requirements of patent promotion.