Trademark substantive review generally takes 9 months. Trademark substantive examination is a series of activities including review, data retrieval, analysis and comparison, investigation and research, preliminary approval or rejection of trademark applications. The Trademark Office makes a preliminary decision to approve the registration. If the applicant passes the substantive examination, a preliminary approval announcement will be issued, and the trademark registration will enter the next stage. Article 28 of the Trademark Law of the People's Republic of China shall review the trademark applied for registration within nine months from the date of receipt of the trademark registration application documents. If it complies with the relevant provisions of this Law, the Trademark Office shall Preliminary approval announcement.