You can log on to the China Trademark Network of the Trademark Office of the Intellectual Property Office of the State Administration of Market Supervision for enquiries. The specific steps are as follows:

1. Log on to China Trademark Network official website (Trademark Office of the State Administration for Industry and Commerce). After entering the home page, find "Trademark Inquiry" in the title bar and click;

2. After entering, the description of trademark inquiry will pop up, and click "Agree" to enter the next interface;

3, in the middle of the page, find the "trademark comprehensive query", click;

4. Enter the name of the trademark to be queried in the "Trademark Name" column, and then click "Query";

5, then the system will give the corresponding query results.

Trademark approximate query: this query provides approximate retrieval function according to trademark components such as graphics and characters. , users can search for the same or similar trademarks on the same or similar goods by themselves.

Trademark comprehensive query: users can query a trademark by trademark number, trademark, applicant name, etc.

Bidding status query: users can query the status of related trademarks in the business process by trademark application number or registration number.

The above is the copy I saw on Zhihu for reference only.