Legal analysis: patents can be applied by many people together. According to the Patent Law of People's Republic of China (PRC), the right to apply for a patent belongs to the invention-creation jointly completed by two or more units or individuals, or the invention-creation entrusted by other units or individuals. Therefore, all units and individuals who have completed the project can apply, and the number is not limited.
Legal basis: People's Republic of China (PRC) Patent Law.
Article 8. Unless otherwise agreed, the right to apply for a patent belongs to an invention-creation completed in cooperation with two or more units or individuals, or an invention-creation entrusted by other units or individuals. After the application is approved, the applicant unit or individual shall be the patentee.