Patent * * * has the following legal characteristics:
1. Pluralistic subjectivity, that is, the subject of patent right consists of two or more units, individuals or units and individuals;
2. The object is single, that is, some patents of * * * are the same invention and creation, and this subject is inseparable;
3. Collaboration in the disposal of rights, that is, when disposing of patent rights, it is generally necessary for all * * * people to reach an agreement;
4. It can be * * with * * or * *.