1. What documents are required for trademark property preservation? According to the "Interpretation on Property Preservation of Registered Trademark Rights by People's Courts" promulgated by the High People's Court on January 21, 2001, when the People's Court requests the Trademark Office to implement property preservation measures for registered trademark rights, the following documents should be submitted: 1. Notice of assistance in enforcement; 2. Relevant civil rulings and judgments; 3. Letter of introduction from the court introducing the enforcement personnel to come to conduct property preservation of the registered trademark; 4. Certificates of the enforcement personnel. 2. What should you pay attention to when handling trademark property preservation? 1. The person subject to execution must be the same as the registrant. 2. The period of preservation of registered trademark rights shall not exceed 6 months at a time, starting from the date when the Trademark Office receives the notice of assistance in enforcement. If it is necessary to continue to take preservation measures for the registered trademark right, the People's Court shall re-issue a notice of assistance in enforcement to the Trademark Office before the expiration of the preservation period, requesting continued preservation. Otherwise, the property preservation of the registered trademark right will be deemed to be automatically terminated. 3. The people's court shall not conduct repeated preservation of registered trademark rights that have been preserved. 4. Identical or similar trademarks on identical or similar goods should be sealed together. 5. The period of seizure shall not exceed the validity period of the seized registered trademark. 6. Trademark registration applications cannot be blocked. 7. Assist in completing the execution procedures, and the Trademark Office signs and receives the "Delivery Certificate".