The law firm HUASUN and the law firm of the cooperation attorney work in cooperation, but they are not a joint firm, a joint partnership, a joint law firm and/or a shared office. Each firm is liable only for their own clients. The result of mandating is that only the respective attorney or the respective mandated firm is responsible and liable for the respective client. There is no joint and several liability between the law firm HUASUN and the law firm of the cooperation attorney.