The change of patentee is an important act in the process of intellectual property activities. No matter which country it is in, during the process of changing the patentee, the required materials are highly specialized and the procedures are complicated, which creates difficulties for many parties. So, what documents need to be prepared to change the patentee? Please see below for details. Documents that need to be prepared for changing the patentee: 1. Request for change of bibliographic items The request for change of bibliographic items is an application submitted by the applicant to the State Intellectual Property Office to indicate the applicant's requirements. The content of the request includes the applicant's situation, patent number, matters before change, matters requested for change, etc. It should be noted that the request for change of the bibliographic item is not applicable to the change of the name of the invention. The change of the name of the invention shall be made in the form of opinion statement or amendment. 2. Documents proving changes in bibliographic items (1) If the applicant or patentee has rights transferred due to disputes over ownership of rights, or the inventor has changed due to disputes over qualifications, if the dispute is resolved through negotiation, a document signed or stamped by all parties shall be submitted. Rights transfer agreement; if the dispute is determined by a judgment of the People's Court, the legally effective judgment of the People's Court shall be submitted. After receiving the judgment, the Patent Office shall notify the other parties to inquire whether to file an appeal. Within the specified time limit (two If there is no reply within 3 months) or it is clear that there is no appeal, the judgment will become legally effective; if an appeal is filed, the party concerned shall issue a notice of acceptance of the appeal, and the original People's Court judgment will not become legally effective. If the dispute is mediated and decided by the local Intellectual Property Office (or corresponding functional department), after receiving the mediation decision, the Patent Office shall notify other parties and inquire whether to file a lawsuit in court; failure to respond within the specified period (two months) or If it is clear that no lawsuit has been filed, the mediation decision will have legal effect; if a lawsuit is filed, the parties concerned shall issue a court acceptance notice, and the original mediation decision will not have legal effect. (2) If a patent applicant or patentee has a transfer of rights due to the transfer or donation of rights and requests to change the patent applicant or patentee, the original or notarized copy of the transfer or donation contract must be submitted; the contract If it is concluded by a legal person, the contract must be signed or stamped by the legal representative or an authorized person, and the official seal of the legal person or the contract-specific seal must be affixed; notarized documents must be submitted when necessary. When a citizen concludes a contract, it must be signed or stamped by himself; notarized documents must be submitted when necessary. If there are multiple patent applicants or patentees, proof of consent of all rights holders to the transfer or donation should be submitted. 3. If the applicant for the document describing matters related to the enterprise legal person or the patentee is a legal person, a legally binding document must be issued for changes in the bibliographic items caused by its merger, reorganization, division, cancellation, bankruptcy or restructuring. 4. If the applicant is a natural person and the applicant or the patentee inherits due to death, the applicant shall submit a document issued by a notary office proving that the party is the only legal heir or that the party has included all legal heirs. Unless otherwise expressly provided, the joint heirs shall jointly inherit the patent application right or patent right. Changing patent rights personnel is an important activity. The change procedure can be said to be simple, but it cannot be said to be complicated. The reason is because you need to prepare some documents during the change process, so that the change process can be completed quickly.