Legal analysis: The legal effect of warning notice letters. Warning letters are a form of self-relief and rights protection when infringement occurs. They do not themselves have the effect of enforcement. They are mainly used to warn the infringer of the corresponding legal consequences. Prompt them to stop the infringement. In addition, infringers who still refuse to stop infringement after receiving a warning letter can be confirmed as malicious infringers, and their infringement liability will be aggravated to a certain extent in subsequent litigation

Legal basis: "People's Republic of China** * and Civil Code

Article 120: If civil rights and interests are infringed, the infringed party has the right to request the infringer to bear tort liability.

Article 183: If one is harmed due to protecting the civil rights and interests of others, the infringer shall bear civil liability, and the beneficiary may provide appropriate compensation. If there is no infringer, the infringer has escaped or is unable to bear civil liability, and the victim requests compensation, the beneficiary shall provide appropriate compensation.

Article 1,167 If an infringement endangers the personal or property safety of others, the infringed party has the right to request the infringer to bear tort liability such as ceasing the infringement, removing obstacles, and eliminating danger.

Article 1,168 If two or more persons jointly commit infringement and cause damage to others, they shall bear joint and several liability.

Article 56 of the "Trademark Law of the People's Republic of China" The exclusive right to register a trademark is limited to the trademark approved for registration and the goods approved for use.