The Guidelines for Patent Examination (hereinafter referred to as the examination guidelines) introduce the concept of "common knowledge" in determining the inventive step of a claimed invention.

Yujie Jin of Liu Shen & Associates explains the elements of Chinese patent law that deal with common knowledge, and gives advice on dealing with them during substantive examination Common knowledge is ...

Jamie Q. Roberts does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...