Is the patent right pledged or mortgaged?

Legal analysis: patent right is pledge. Patent right belongs to intangible assets, which cannot be mortgaged, but can only be pledged.

Legal basis: Article 3 of the Measures for the Registration of Patent Pledge in People's Republic of China (PRC), if the patent right is pledged, the pledgor and the pledgee shall conclude a written pledge contract. The pledge contract can be a separate contract or a guarantee clause in the main contract.