1. The main website for searching trademarks is the China Trademark Office, which is currently the most authoritative. 2. Let’s briefly talk about the strategy of trademark search: (1) Trademark similarity search is used to check whether there are identical or similar trademark applications for the same or similar goods; similar searches can be done through international classification numbers, similar groups, and search methods. , query type and other strategies to obtain more accurate query results; (2) Trademark comprehensive query, used to query comprehensive information of a certain trademark, such as trademark registration number/application number, trademark applicant name, similar groups, application date, application Personal address and other information to query; (3) Trademark status query, used to query the status of trademark application or registration in the business process, such as opposition, review, cancellation and other legal status.