Can the patent be cancelled?

Legal analysis: After filing a patent license contract, you can apply for cancellation, but the cancellation of filing also requires registration. In addition, the filing of the patent licensing contract cannot be recovered at any time, and it is necessary to apply for cancellation of the filing when the licensing contract expires, is cancelled or is changed.

Legal basis: measures for filing patent licensing contracts

Article 17 Where the term of exploitation license expires or the patent exploitation license contract is terminated in advance, the parties concerned shall, within 30 days after the term expires or the termination agreement is concluded, go to China National Intellectual Property Administration for filing and cancellation with the relevant documents such as the filing certificate and termination agreement.

Article 18 If the patent right involved in a registered patent licensing contract is declared invalid or terminated in advance, the parties concerned shall go through the formalities of filing and cancellation in time.