Legal analysis: If you are sued for trademark infringement, the person being sued can collect evidence to respond to the lawsuit, or you can entrust a lawyer to represent the case and protect your legitimate rights and interests. The parties have the right to appoint an agent, apply for recusal, collect and provide evidence, conduct debates, request mediation, file an appeal, and apply for enforcement. The parties can review the relevant materials of this case and copy the relevant materials and legal documents of this case.

Legal basis: "Civil Procedure Law of the People's Republic of China" Article 49: The parties have the right to appoint an agent, apply for recusal, collect and provide evidence, conduct debates, request mediation, file Appeal, application for execution. The parties can review the relevant materials of this case and copy the relevant materials and legal documents of this case. The scope and methods for accessing and copying relevant materials in this case shall be prescribed by the Supreme People's Court. The parties must exercise their litigation rights in accordance with the law, abide by the order of litigation, and perform legally effective judgments, rulings, and mediation documents.