Effective December 1, 2018, the World Intellectual Property Organization (WIPO) Digital Access Service (DAS) will manage electronic retrievals of priority documents between the USPTO and the Korean Intellectual Property Office (KIPO), in accordance with the WIPO DAS agreement established on April 20, 2009. There is no fee for this service and participation for a particular application is voluntary.

Furthermore, the certified copy requirement is considered satisfied when a priority document is retrieved electronically via the WIPO DAS service, during pendency of the U.S. application. More information will be available on the USPTO Electronic Priority Document Exchange (PDX) Program page of the USPTO website.