Legal analysis: the pledge of patent right refers to the act of real right guarantee that the debtor or the third party guarantees the performance of his debt with patent right. When the debtor fails to perform the debt, the creditor has the right to be paid in priority from the discount, auction or sale of the patent right.
Legal basis: Article 3 of the Measures for the Registration of Patent Pledge, if a patent right is pledged, the pledger 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.