(1) The intellectual property right owner requests the customs to detain the goods suspected of infringement after discovering them, but the customs fails to receive a notice from the people's court requesting customs to assist in the enforcement of relevant rulings within 20 working days after detaining the goods; (2) After the Customs was unable to determine whether the relevant goods infringed the relevant intellectual property rights within the 30 working days stipulated in the Regulations and notified the intellectual property right holder, it failed to receive the request from the People's Court within 50 working days from the date of detaining the goods. The customs assists in the execution of the notice of the relevant ruling; (3) the consignee or consignor of the goods suspected of infringing the patent rights submits an application to the customs for counter-guarantee release of the goods that meets the conditions specified in the Regulations; (4) the customs determines after investigation that the consignee or consignee The evidence provided by the cargo owner can prove that the detained goods do not infringe the relevant intellectual property rights. (5) Before the customs determines that the detained suspected infringing goods are infringing goods, the intellectual property right owner withdraws the application to detain the suspected infringing goods.