What should I do if I receive a complaint about intellectual property rights for more than three days without complaining?

You can contact the complainant and explain your purchase channel. If the two sides reach an understanding, you can ask the complainant to issue a complaint cancellation letter for you, stating that the complaint is cancelled;

(2) Purchase voucher:

If your goods are purchased through formal channels, you can provide proof of purchase. However, only verifiable purchase vouchers such as invoices are valid, and receipts and purchase receipts are invalid;

(3) Authorization certificate:

If you also have brand authorization, you can provide authorization documents, such as distribution agreement and brand authorization agreement. If a person is punished for patent infringement of other people's intellectual property rights, at least one of the following documents shall be provided when appealing:

(1) Patent certificate:

If you are the patentee of the goods you sell, you can provide a patent certificate to appeal;

(2) Complainant's purchase voucher:

If the goods you sell are purchased from the complainant, that is, the patentee, you can provide the purchase certificate to make a complaint. However, only verifiable purchase vouchers such as invoices are valid, and receipts and purchase receipts are invalid;