legal ground
Article 6 of the Patent Law of People's Republic of China (PRC) (202 1.6. 1 came into force)
An invention-creation made by carrying out the tasks of the unit or mainly using the material and technical conditions of the unit is a service invention-creation. The right to apply for a patent for a service invention-creation belongs to the unit; After the application is approved, the entity shall be the patentee.
The right to apply for a patent for a non-service invention-creation belongs to the inventor or designer; After the application is approved, the inventor or designer shall be the patentee.
Where an invention-creation completed by making use of the material and technical conditions of the entity has a contract with the inventor or designer to stipulate the right to apply for a patent and the ownership of the patent, such agreement shall prevail.