What documents does the patentee need to prepare for the change? What is the procedure? Where can I go to handle it in Guangzhou? Can I only go to the intermediary?

Question 1: As long as the changed materials meet the requirements, the Patent Office applies for the change, whether it is the transferee or the transferor.

Question 2: Prepare the catalogue change request, the patent right transfer agreement and the identification documents of both parties.

Question 3: The change can be handled by the original entrusted agency, or it can be changed by itself (the letter of dissolution of agency relationship and termination of agency relationship has been added in the materials of question 2).

Question 4: The agency seems to be able to handle it. For details, please call the local organization, organization address and Baidu.