1688’s powerful merchants can enter the brand management page from the seller’s workbench to renew. The specific steps are as follows. 1. Enter the qualification update page: If the trademark certificate or authorization period has expired, select Brand Certificate Expiration Update, and upload the new trademark certificate and authorization letter (the trademark certificate registration number must be consistent with the one that has been reviewed), and submit it. . 2. If the trademark has been invalidated and needs to be replaced with a trademark with the same name and a different registration number, please select the new business category page to submit information.