Legal analysis: Joint liability for trademark infringement refers to the joint infringement of a trademark, which usually refers to the act of two or more legal persons or natural persons (including unincorporated associations and individual partnerships) violating the provisions of trademark management laws and regulations, and the joint infringement of the exclusive right to use a registered trademark by others.

Joint liability is a form of liability in which several debtors each bear full payment for the same debt. That is, a form of debt in which the creditor can request payment in whole or in part to one, several or all of the debtors at the same time or successively.

Legal basis: Article 168 of the Civil Code of the People's Republic of China

If two or more people commit tort together and cause damage to others, they shall be jointly and severally liable.

article 169th whoever instigates or helps others to commit an infringement shall be jointly and severally liable with the perpetrator.

Whoever instigates or helps a person with no capacity for civil conduct or a person with limited capacity for civil conduct to commit tort shall bear tort liability; If the guardian of the person without civil capacity or with limited civil capacity fails to perform his guardianship duties, he shall bear corresponding responsibilities.

Article 17 Where two or more persons commit acts that endanger the personal and property safety of others, and the acts of one or more of them cause damage to others, and the specific infringer can be identified, the infringer shall bear the responsibility; If the specific infringer cannot be determined, the actor shall bear joint and several liability.

article 171 if two or more persons commit torts separately and cause the same damage, and each person's torts are enough to cause all damage, the tortfeasors shall be jointly and severally liable.

article 184 where the property of another person is infringed, the property loss shall be calculated according to the market price at the time of the loss or other reasonable means.

article 185 where the intellectual property rights of others are intentionally infringed, if the circumstances are serious, the infringed person has the right to demand corresponding punitive damages.