After the contract for the assignment of patent application right is established and takes effect, the assignee shall enjoy the patent application right according to the contract, and after the patent application is approved, it becomes the patentee, and the assignor no longer enjoys the rights of the patentee. Therefore, after the patent application right transfer contract is established and takes effect, the transferor has no right to sign a technical secret transfer contract with others, and the effectiveness of the technical secret transfer contract is affected by the previous contract.