Formal review refers to the administrative agency’s review of whether the application materials only meet the formal requirements, that is, whether the application materials are complete and in compliance with the legal form. The authenticity and validity of the application materials are not reviewed. , in the field of trademark registration, formal examination also includes the examination of whether the trademark registration application complies with relevant legal requirements and the requirements of the trademark registration application, such as whether the applicant's qualifications are legal, whether the applicant's address is correct, and the quality and specifications of the trademark and trademark drawings. , whether the quantity meets the requirements, etc. Formal examination and substantive examination are two different concepts. Substantive examination means that the administrative agency must not only examine whether the requirements of the application materials are met, but also examine whether the substantive content of the application materials meets the conditions. , such as the National Patent Office’s review of the novelty, creativity, practicality and other substantive contents of the invention applied for patent.