(1) Provide patent consultation; (2) Write patent application documents, handle matters related to patent applications, requests for substantive examination or reexamination; (3) Handle matters related to requests to declare patent rights invalid; ( 4) Handle matters related to patent application rights, transfer of patent rights and patent licensing; (5) Accept employment from units or individuals and assign patent agents to serve as patent consultants; (6) Handle other patent matters. Sichuan Lijiu Law Firm is the first professional law firm in Sichuan Province that focuses on providing intellectual property legal services. It has patent agency qualifications and trademark agency qualifications. Team members all have good educational backgrounds and professional qualities, and most of them come from first-class domestic universities such as Peking University, Tsinghua University, and the Chinese Academy of Sciences, forming a talent team dominated by doctors and masters. The lawyers, patent agents and trademark copyright agents in the Lijiu team have been engaged in intellectual property business for a long time. They have acted as agents for many influential intellectual property cases and have rich practical experience; involving electricity, machinery, medicine and chemical industry, etc. Multiple areas of expertise.