No matter where you buy a trademark, it has its own advantages and risks. To see whether it is reliable, you need to pay attention to: First, choose a website with trademark and patent agency qualifications. For trademark qualification verification, you can go to the State Trademark Administration Check the official website for the total list of "" registration agencies; second, check the trademark status through the State Trademark Administration (China Trademark Network), and you can check the general situation of the trademark from application to the present. The third is to check whether the original trademark registration certificate is authentic and valid. The fourth is to sign fair and reasonable three-party contracts, such as "Trademark Purchase Contract", "100% Loss Compensation Agreement", "Exclusive License Agreement", etc.