In November 2019, the China National Intellectual Property Agency (CNIPA) issued new patent examination guidelines for applying China’s “inventive step” requirement, the patentability standard roughly equivalent to the U.S. patent requirement of “nonobviousness.”

https://www.law.com/thelegalintelligencer/2020/06/26/application-of-invention-concept-after-new-china-patent-examination-guidelines/