Legal analysis: Patent owners can be individuals, enterprises and institutions, and also individuals and individuals, enterprises and institutions, individuals and enterprises and institutions jointly apply. The Patent Law does not stipulate the number of patentees.
Legal basis: Article 8 of the Patent Law of the People's Republic of China
An invention-creation made by two or more units or individuals in cooperation, or an invention-creation made by one unit or individual entrusted by another unit or individual, unless otherwise agreed, the right to apply for a patent belongs to the unit or individual that completed it or * * * completed it together; After the application is approved, the applicant unit or individual shall be the patentee.
article 9 only one patent right can be granted for the same invention-creation. However, if the same applicant applies for both a patent for utility model and an invention patent for the same invention-creation on the same day, and the patent right for utility model obtained first has not been terminated, and the applicant renounces the patent right for utility model, the invention patent right may be granted.
if two or more applicants apply for a patent for the same invention-creation, the patent right shall be granted to the person who applied first.