When necessary, the actor uses the same or similar trademark on the same or similar goods without the permission of the trademark owner, or other acts that interfere with or hinder the trademark owner from using its registered trademark and damage the legitimate rights and interests of the trademark owner. The natural person or legal person whose trademark exclusive right is infringed upon when the actor sells goods that he knows or should know are counterfeit registered trademarks has the civil right to demand the infringer to stop the infringement, eliminate the influence and compensate for the losses. The act of bearing the liability for compensation is to bear the liability for compensation. The infringer usually bears the responsibility of stopping the infringement, and the actor who knows or should know that it is an infringement is also liable for compensation. If the circumstances are serious, they shall also bear criminal responsibility. China's criminal law has special provisions on intellectual property crimes.