How to write a patent agency contract? Give a few examples.

Party A (principal) and Party B (trustee) Party A intends to apply for a patent for service invention and non-service invention for this project, and hereby appoints Party B as its agent. Through consultation, both parties enter into this contract for compliance. Party B accepts the entrustment of Party A and entrusts the patent agent as its agent. 2. Entrusting matters: application category: □ invention patent □ utility model patent □ design patent ① Inventor's name: ② First applicant's name: unit code or personal ID number address: postal code: ③ Second applicant's name: address: postal code: III. The agent of Party B shall earnestly and responsibly safeguard the legitimate rights and interests of Party A, properly handle the patent application, and shall not disclose information before the invention patent is made public. Party A shall fully disclose the specific contents of inventions and creations in accordance with the requirements of the Patent Law and cooperate with Party B's application. If the patent application is not approved due to insufficient disclosure of Party A's technical disclosure materials, Party A shall bear the responsibility. 5. Party A entrusts Party B to apply for a patent. If there is an applicant, it shall submit a copy of the agreement with the applicant on patent application to Party B. If there is any dispute over the ownership of the application in the future, the applicant shall be responsible. Party A shall provide Party B with the name, detailed mailing address and telephone number of Party A's contact person. If Party A changes the contact person, mailing address or telephone number, it shall promptly notify Party B of the change result, otherwise Party A shall bear the consequences. Party B shall timely convey to Party A the relevant documents of the Intellectual Property Office (including application acceptance, authorization notice, patent certificate, etc.). ) According to the mailing address or telephone number provided by Party A.. According to the charging method of Party B, both parties agree that Party A shall pay Party B the agency fee, consulting fee and service fee of RMB. For invention patents, you need to pay an agency fee of RMB. The above fees shall be paid at the time of entrustment or the completion of application documents, and shall be settled within one week after Party B submits the patent application at the latest. If it is not settled within the time limit, the agency contract shall be terminated. After the patent is granted, the annual monitoring fee and the annual payment fee shall be charged separately. 9. If the patent application is authorized, this agency contract will naturally terminate when the patent certificate is obtained. If the patent application fails to pass the examination, the agency contract will be terminated naturally when the notice of withdrawal or rejection is received from the Patent Office. Party A: (Seal) Party B: Representative: (Signature) Representative: (Signature) 200,200.