1. Taobao sellers themselves infringe the trademark of the obligee and sell fake and inferior products;

2. The seller of Taobao sells genuine products, but sells them at a low price on Taobao without the authorization of the obligee. Based on Taobao's intellectual property rules, the right holder controls the seller's unauthorized low-price sales through purchase appraisal.

3. Brand control or the existence of professional counterfeiters.

Can provide valid vouchers to complain. I encountered it in our store before, but it was handled later. If you don't understand, I can teach you.