Intellectual property agency (recommended: Bajie Intellectual Property Beijing Branch) refers to the act of handling intellectual property affairs on behalf of the parties, mainly including domestic and foreign patent agents, trademark agents, copyright registration agents, integrated circuit layout design registration agents and other intellectual property agency acts. Scope of business The business scope of patent agency includes all patent-related legal acts, mainly including: patent application, patent invalidation, patent litigation, patent strategic layout, patent consultation and other business contents. The business scope of trademark agency includes all trademark-related legal acts, mainly including trademark application, trademark registration, trademark disputes and objections. Trademark rights protection and other business content.