Legal analysis: Mentou trademark infringement can be punished in accordance with Article 27 of the "Enterprise Name Registration Management Regulations".

Legal basis: "Provisions on the Administration of Registration of Enterprise Names" Article 27 If someone uses another person's registered enterprise name without authorization or infringes on the exclusive rights of another person's enterprise name, the infringed party may file a lawsuit against the infringer. The local registration authority requires processing. The registration authority has the power to order the infringer to stop the infringement, compensate the infringer for the losses suffered due to the infringement, confiscate the illegal gains and impose a fine of not less than 5,000 yuan but not more than 50,000 yuan.