1. The termination (invalidation) of the patent right means that the patent right loses its legal effect before the expiration of the protection period or for other reasons.
For example, if the annual fee is not paid in accordance with the regulations, the patentee waives the patent right in writing, or the patent right expires and terminates.
The termination of the patent right generally means that the patent right already exists.
Second, the patent right is invalid, also known as the patent invalidation, which means that the Patent Reexamination Board declares that the granted patent right is not legally binding because it does not conform to the provisions of the Patent Law on novelty, creativity and practicality.
Invalid patent right shall be deemed as nonexistent from the beginning.