Where an application for a patent right is filed for an invention-creation completed by cooperation, it shall be filed in accordance with the agreement of the partners. Where there is no contract or agreement, the right to apply for a patent for the invention-creation achievement completed by cooperation belongs to all parties. If one or more parties transfer their patent application rights, the other partners shall enjoy the preemptive right under the same conditions. If one or more parties to a cooperative invention-creation waive their right to apply for a patent for their invention-creation, the other parties who have not waived their right to apply for a patent may exercise their right to apply for a patent. However, after one or more parties who have not given up the right to apply for a patent file a patent application, the invention and designer of one or more parties who have given up the patent application may exploit their patents free of charge. To sum up, the ownership of the patent application for cooperative invention-creation is shared by all parties. If one party does not agree to apply for a patent, the other party or parties shall not apply for a patent. (1) To apply for a patent for invention or utility model, the applicant shall submit the written request, specification and its abstract, claims and other documents. The request shall specify the name of the invention or utility model, the name of the inventor or designer, the name and address of the applicant and other matters. (2) The specification shall give a clear and complete description of the invention or utility model, which shall be subject to the realization of the technical personnel in the technical field; Attached drawings shall be attached when necessary. (3) The abstract shall briefly explain the technical points of the invention or utility model. The patent claim shall be based on the specification and indicate the scope of patent protection. To apply for a patent for a design, the applicant shall submit a request, a picture or photograph of the design and other documents, and shall specify the product and its category in which the design is used. (4) The date when the Patent Office receives the patent application documents is the filing date. If the application documents are mailed, the postmark date of mailing shall be the application date. An applicant who applies for a patent for invention or utility model for the first time in a foreign country within 12 months, or for a patent for design for the first time in a foreign country within 6 months, and applies for a patent on the same subject in China, may enjoy the priority according to the agreement signed by the foreign country and China or the international treaties to which they are both parties, or according to the principle of mutual recognition of priority. (5) Where an applicant files an application for a patent for invention or utility model in China for the first time within 12 months, he may enjoy priority. Where the applicant claims priority, he shall make a written statement at the time of application and submit a copy of the first patent application document within three months; Failing to submit a written statement or a copy of the patent application documents within the time limit shall be deemed as not claiming priority. (6) An application for a patent for an invention or utility model shall be limited to one invention or utility model. Two or more inventions or utility models belonging to a general inventive concept may be filed as one application. An application for a patent for a design shall be limited to a design used by a product. Two or more designs of products sold or used in the same category in sets may be filed as one application. The applicant may withdraw his patent application at any time before being granted the patent right. The applicant may modify his patent application documents, but the modification of the application documents for patents for inventions and utility models shall not exceed the scope recorded in the original specifications and claims, and the modification of the application documents for patents for designs shall not exceed the scope shown in the original pictures or photographs. (7) A patent for invention refers to a patent granted by proposing a brand-new solution to the existing technical problems arising from creative activities. An inventor may apply to the Patent Office for a patent for invention according to law. Therefore, it is necessary to fill in an application for a patent for invention. Matters needing attention when filling out an application for a patent for invention: when applying for a patent for invention, documents such as a request for a patent for invention, a specification, a patent claim and an abstract of the specification shall be submitted. The application documents are in duplicate, and copying is allowed, but the signature of the applicant or agency is not allowed; The application must be filled in Chinese. If there is no unified Chinese translation of the foreigner's name and place, the original text should be indicated: if this form cannot be filled in, a blank sheet of paper can be attached, but it must be the same size and quality as this form, and the column number should be indicated when it is added; Other matters needing attention shall be handled in accordance with the requirements of the Patent Office.