Legal basis: measures for filing patent licensing contracts
Article 3 The licensor of a patent exploitation license shall be a legitimate patentee or other obligee. Where a patent licensing contract is concluded with the patent right owned by ×××, the consent of other owners of ×××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××
Article 4 A patent licensing contract for filing shall be concluded in writing.