The state is a legal concept, and its subject identity is special, that is, it has the manager side, such as in many administrative, economic and legal relations; There are also aspects as equal civil subjects, such as government procurement and international trade; Of course, it can also be said that it is the subject of international law on the second floor.
The state cannot be the subject of patent application, and patent application is limited to units and natural persons. Of course, in China's public ownership environment, many patents applied by state-owned institutions are also owned by the state in a certain sense.