1. Use keywords and letters containing registered trademarks of others in network domain names without the permission of trademark registrants;

2. maliciously register the registered trademark name of others as a domain name;

3. Other acts of infringing online trademarks.

legal ground

Article 5 of the Interpretation of the Supreme People's Court on Several Issues Concerning the Application of Laws in the Trial of Civil Disputes over Computer Network Domain Names.

If the defendant's behavior is proved to have one of the following circumstances, the people's court shall consider it malicious:

(1) Registering other people's well-known trademarks as domain names for commercial purposes;

(2) Registering or using a domain name identical with or similar to the registered trademark and domain name of the plaintiff for commercial purposes, deliberately causing confusion with the products and services provided by the plaintiff or the plaintiff's website, and misleading network users to visit its website or other online websites;

(3) Offering to sell, lease or transfer the domain name by other means at a high price to obtain illegitimate interests;

(four) after the domain name is registered, it has not been used or is not intended to be used, but deliberately prevents the right holder from registering the domain name;

(five) there are other malicious circumstances.