1. The trademark registrant has changed his address, and the Industrial and Commercial Bureau already has a change certificate

2. There is only one original copy of the change certificate. You can go to the Industrial and Commercial Bureau to open a "file" Change information of "Inquiry Seal"

3. If you don't have it, you can submit a copy

To change the name of the registrant, you must submit the original. If you want to change your address, a copy will be enough.