According to the Memorandum of Understanding on Patent Prosecution Highway (PPH) pilot program between State Intellectual Property Office of PRC (SIPO) and Hungarian Intellectual Property Office (HIPO), the SIPO-HIPO PPH pilot program was started on March 1, 2016, and expired on February 28, 2019.

The Sino-Korean pilot program will be extended with no time limits. Requirements and procedures to file a PPH request between SIPO and KIPO remain unchanged.

The Sino-Austrian pilot program will be extended for two years from March 1, 2016 to February 28, 2018, according to the decision made by SIPO and the Austrian Patent Office. Requirements and procedures to file a PPH request between SIPO and the Austrian Patent Office remain unchanged.

http://english.sipo.gov.cn/news/official/201603/t201603 03_1246343.html

http://english.sipo.gov.cn/news/official/201603/t201603 03_1246344.html