The time for assigning the invention patent is generally the time agreed by the assignor and the assignee in the assignment agreement. If the patentee transfers the patent right to others for use or ownership according to law, the assignee shall pay the corresponding expenses according to law.
Legal objectivity:
patent law of the people's republic of china
Article 12
Any unit or individual that exploits another person's patent shall conclude an exploitation license contract with the patentee and pay the patentee the royalties. The licensee has no right to allow any unit or individual other than those stipulated in the contract to exploit the patent.
patent law of the people's republic of china
Article 13
After the publication of an application for a patent for invention, the applicant may require the entity or individual who exploits the invention to pay an appropriate fee.
patent law of the people's republic of china
Article 14
Where there is an agreement on the right to apply for a patent or the exercise of the patent right, such agreement shall prevail. If there is no agreement, * * * someone can exploit the patent alone or license others to exploit it by ordinary license;
Where another person is licensed to exploit the patent, the royalties collected shall be distributed among the owners.