Effective September 1, 2018, electronic retrievals of priority documents between the United States Patent and Trademark Office (USPTO) and the State Intellectual Property Office of China (SIPO) will be managed via the World Intellectual Property Organization (WIPO) Digital Access Service (DAS), in accordance with the WIPO DAS agreement established on April 20, 2009.

The direct electronic priority document exchange (PDX) program between the USPTO and the SIPO implemented by on October 8, 2014 will end then.


AFD China Newsletter is intended to provide our clients and business partners information only. The information provided on the newsletter should not be considered as professional advice, and should not form the basis of any business decisions.