What is the purpose of patent examination in China Intellectual Property Office?

Examining whether the patent application complies with the relevant provisions of the Patent Law, including formal examination and substantive examination. Substantive examination includes examining the novelty and creativity of patent applications, granting patent rights to patent applications that meet the requirements, and issuing examination opinions to those that do not meet the requirements. If the applicant can't overcome the problems in the review opinions, it will be rejected.