State Intellectual Property Office of China (SIPO) and the National Institute of Industrial Property of Chile (INAPI) and the Industrial Property Office of the Czech Republic (IPO- CZ) have launched the Patent Prosecution Highway (PPH) pilot projects on January 1, 2018, which are to end on December 31, 2020 and December 31, 2019 respectively. 

http://english.sipo.gov.cn/news/official/201712/t201712 28_1324671.html