What is a patent agent? What does a patent agent do?

What is a patent agent? What does a patent agent do? Patent agency is a kind of entrusted agency, which means that a patent agency is entrusted by the parties and entrusts a patent agent with the qualification of national patent agency to apply for a patent or handle other patent affairs in the Patent Office within the scope of authorization. Patent agencies can undertake patent consultation, patent application, substantive examination or reexamination request, patent invalidation, patent litigation and other related affairs. So what are the work contents of patent agents? What are the duties of patent agents: (1) Providing patent affairs consultation; Work content of patent agent (2) Writing patent application documents and handling patent applications; Matters related to substantive examination or review request; The work content of the patent agent (3) matters related to raising objections and requesting the invalidation of the patent right; Work content of patent agent (4) Handling matters related to patent application right, patent transfer and patent license; Work content of patent agent (5) Accepting employment and appointing patent agent as patent consultant; Work content of patent agent (6) Handling other related affairs.