legal ground
Article 56 of the Trademark Law
The amount of compensation for infringement of the exclusive right to use a trademark refers to the benefits obtained by the infringer during the infringement period, or the losses suffered by the infringer during the infringement period, including the reasonable expenses paid by the infringer to stop the infringement. If the infringer gains benefits from the infringement listed in the preceding paragraph, or the losses suffered by the infringed are difficult to determine, the people's court shall award compensation of less than 500,000 yuan according to the circumstances of the infringement.