Legal analysis: The review of the substance of a trademark 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 trademark passes the substantive examination, it will issue a preliminary approval announcement and the trademark registration will enter the next stage. After the trademark registration is successful, the effective period of use is 10 years. If it expires after 10 years, it can be renewed. exhibition.

Legal basis: "Trademark Law of the People's Republic of China" Article 56 The exclusive right to register a trademark is limited to the approved registered trademark and the approved goods for use.