The CNIPA and the Norwegian Industrial Property Office (NIPO) have jointly decided to extend their Patent Prosecution Highway (PPH) pilot program for another five years from April 1, 2023 to March 31, 2028. The established Guideline of CNIPA-NIPO PPH Request remains controlling the pertinent requirements and procedures governing applicants' PPH requests at the two offices.
http://english.cnipa.gov.cn/art/2023/4/7/art_1340_183398.html
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