A patent agency is an institution registered in China National Intellectual Property Administration, which is engaged in patent application, patent right and other related legal affairs. There must be at least three employees who hold the practicing certificate of patent agents. The main business of this agency is to represent patent applications and related legal affairs within the validity period of patent rights.
Patent management refers to the use of patent law to carry out work closely related to economy and commerce in patent application or patent right, such as patent application or patent right transaction, implementation license, pledge financing, etc. , including the layout of enterprise patent applications.
The above is my personal understanding, offensive reference!