What should I do if the patent agent's mistake causes economic losses to the client?

"Patent China Regulations" Article 17 Patent China people must undertake the patent China work assigned by the patent China institution, and may not accept the entrustment by themselves. "Measures for the Administration of Patents in China" Article 18 The patent holder in China shall accept the entrustment of the China patent institution approved for establishment and hold a patent practice certificate in China. Twenty-eighth people who do not hold the "Patent China Practitioner's Certificate" shall not engage in the patent China business in the name of the patent China person for the purpose of seeking economic benefits. Twenty-ninth patent China to undertake the patent China business, it should be entrusted in the name of the patent China institution where it belongs, sign a written entrustment contract with the client, collect fees uniformly and record them truthfully. Patent China people may not accept the entrustment to handle the patent China business without permission and collect fees. According to the provisions of the appeal, it is not enough to have the qualification of China people. You must have a practicing license, and you can't accept China's entrustment in your own name. According to Item 4, Paragraph 1, Article 25 of the Patent China Regulations, the qualification certificate will be revoked if the entrustment is accepted without permission. Twenty-fifth patent China people have one of the following acts, if the circumstances are minor, they shall be criticized and educated by their patent China institutions. If the circumstances are serious, the employment relationship can be terminated by the patent China institution where it belongs, and its patent China work permit can be withdrawn; The patent administration authorities of provinces, autonomous regions and municipalities directly under the Central Government shall give a warning or the Chinese Patent Office shall revoke the patent China qualification certificate: (1) Failing to perform their duties or being incompetent, thus harming the interests of the client; (2) divulging or plagiarizing the contents of the invention and creation of the client; (3) Exceeding the authority of China and harming the interests of the client; (four) to accept the entrustment, to undertake the patent China business without authorization, and to collect fees. If the acts mentioned in the preceding paragraph cause economic losses to the client, the China Patent Office may, after assuming the responsibility for economic compensation, claim compensation from the patentee in China according to a certain proportion.