Patent Prosecution Highways

The Patent Prosecution Highway (PPH) is a programme between IP offices where the examination process of a patent application in one IP Office can be accelerated by referencing the examination results from another IP Office. Such a work-sharing arrangement allows applicants to obtain corresponding patents faster and more efficiently.

IPOS has PPH pilot programmes with Europe (EPO), China (SIPO) and Mexico (IMPI). IPOS is also part of the Global PPH programme with other 22 participating countries including USA and Japan.



(22 IP offices worldwide)

The GPPH was launched on Jan 6, 2014.  Under the GPPH pilot, a request for accelerated examination can be made by relying on the patent search and examination results (national work products) or international search and/or examination results under the Patent Cooperation Treaty (PCT). 

The GPPH network is established with  22 participating offices, including the US Japan, Korea, and Germany.



(China, Mexico, and Europe)

PPH with China (IPOS – SIPO)

  • Launched on Sep 1, 2013
  • Notice on filing PPH requests via SIPO


PPH with Mexico (IPOS – IMPI)

  • Launched on Apr 14, 2014
  • Notice on filing PPH requests via IMPI


PPH with Europe (IPOS – EPO)

  • Launched on Jan 6, 2015
  • Notice on filing PPH requests via EPO


IPOS’ PPH programmes with SIPO and IMPI follows the traditional PPH framework, where an application with claims which have been determined to be patentable in the Office of First Filing (OFF) is eligible to go through an accelerated examination in the Office of Second Filing (OSF) with a simple procedure upon an applicant’s request.

IPOS’ PPH programme with EPO is based on the “Mottainai” model, where an application filed at the Office of Earlier Examination (OEE) may request an accelerated examination for the corresponding application filed at the Office of Later Examination (OLE).