Secondly, subordination has many functions, one is to increase the probability of authorization in the process of examination, the other is to increase the probability of patent survival in the process of invalidation, and the third is to facilitate infringement evidence collection in the process of infringement.
Patent right, referred to as "patent" for short, is an intellectual property right that the inventor or his obligee enjoys the exclusive right to exploit a specific invention within a certain period of time according to law.
The nature of patent right is mainly reflected in three aspects: exclusivity, timeliness and regionality.