Intellectual property civil litigation, administrative litigation, arbitration case and intellectual property criminal case agency and defense business:

Administrative mediation and litigation (including investigation) of patent infringement disputes, trademark infringement disputes and trade secret infringement;

Administrative mediation and litigation of trademark infringement disputes (including investigation);

Acting as the administrative mediation and litigation (including investigation) of copyright infringement disputes, acting as the agent of other intellectual property infringement disputes' administrative mediation and litigation (including investigation) of intellectual property civil litigation, administrative litigation and arbitration cases;