If a trademark is infringed by others, you can defend your rights through administrative means, that is, you can complain to the administrative department for industry and commerce or bring a lawsuit directly to the court. The specific litigation process is as follows: 1. Sue: Submit a complaint to a court with jurisdiction. The people's courts at or above the intermediate level have jurisdiction over trademark civil dispute cases of first instance. 2. Filing a case: If the court considers that it meets the conditions for filing a case, it shall notify the parties to pay the legal fees within 7 days, and file a case after paying the fees. 3. After the court accepts the complaint, it will send a copy of the complaint to the other party within 5 days, and the other party will reply within 15 days. 4. Exchange evidence. 5. Hold a trial. 6. If the collegial panel makes a ruling or ruling and refuses to accept the ruling, it shall appeal to the people's court at a higher level within 10 days from the date of service; Those who refuse to accept the judgment shall appeal to the people's court at a higher level within 15 days from the date of service.