Cancellation method of patent exclusive license registration: If the party needs to cancel the patent exclusive license registration, it can submit the registration certificate, termination agreement and other relevant documents to the State Intellectual Property Office within 30 days after the expiration of the term or the conclusion of the termination agreement. Go through registration and cancellation procedures.
: Article 14 of the "Measures for the Recording of Patent Exploitation Licensing Contracts"
The relevant contents of the filing of patent licensing contracts shall be registered in the Patent Register by the State Intellectual Property Office and shall be recorded in the Patent Registration Book. The following contents are announced in the gazette: licensor, licensee, main classification number, patent number, application date, authorization announcement date, type and term of implementation license, and filing date.
If the patent license contract is changed, canceled or revoked after being filed, the State Intellectual Property Office will register and announce it accordingly.
Article 17
If the term of the license expires or the patent license contract is terminated in advance, the parties shall, within 30 days after the expiration of the term or the conclusion of the termination agreement, present the filing certificate and terminate the agreement. and other relevant documents to the State Intellectual Property Office for registration and cancellation procedures.