What does a patent agency do? What if it breaks the contract?

Take the legal route.

Article 8 of the Patent Agency Regulations stipulates that patent agencies shall undertake the following affairs: (1) provide patent affairs consultation; (2) Writing patent application documents and handling patent applications; Matters related to substantive examination or review request; (3) Matters related to raising objections and requesting the invalidation of the patent right; (4) Handling matters related to the right to apply for a patent, the transfer of the patent right and the licensing of patent exploitation; (5) Accepting the employment and appointing a patent agent as a patent consultant; (6) Handling other related affairs. Projects undertaken by patent agencies will also be recorded, and violations will be punished by law.

A patent agency is a service organization that is audited by the Provincial Patent Administration and approved by China National Intellectual Property Administration, and can accept the entrustment of the client to handle patent applications or other patent affairs in the name of the client within the scope of authorization.