When the brand finds that other merchants sell products infringing their appearance patents on Alibaba platform, they can submit complaints to Alibaba platform. In the process of complaint, the brand needs to provide valid proof of the patent right of appearance, such as patent certificate and patent announcement, to prove that it has legal rights to the patent right of appearance.
At the same time, the brand also needs to upload infringing links or related evidence for Alibaba platform to review and investigate.