What is the Electronic Priority Document Exchange (PDX) program?
This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice.
The Electronic Priority Document Exchange (PDX) program is a system that allows for the electronic transmission of priority documents between participating foreign intellectual property offices. As stated in the MPEP:
Electronic Priority Document Exchange (PDX) agreements provide for the electronic transmission of priority documents to and from participating foreign intellectual property offices.
This program simplifies the process of obtaining certified copies of foreign priority applications, which is crucial for establishing priority claims in patent applications.