Patent change inventors buy patents.

The preemptive right is the right given by law to a specific object to claim his own property rights before other obligees. Often encountered in practice are:

1. When a shareholder of a limited liability company transfers his capital contribution to a person other than the shareholder, it must be agreed by more than half of all shareholders; Shareholders who do not agree to the transfer shall purchase the transferred capital contribution. If you don't buy the transferred capital contribution, it is deemed that you agree to the transfer. Under the same conditions, other shareholders have the preemptive right to purchase the capital contribution transferred with the consent of shareholders.

2. Where the lessor sells the house, it shall notify the lessee 15 days in advance, and the lessee shall enjoy the preemptive right under the same conditions.

3. If * * someone disposes of their share, others * * * have the preemptive right.

4. Preemptive right in intellectual property law.

(1) The invention completed under the entrustment contract belongs to the developer. If the developer assigns the right to apply for a patent, the principal has the preemptive right.

(2) the right to use and transfer the technical achievements of the post belongs to the unit. When the unit transfers the technical achievements of the post, the completer has the preemptive right.

(3) The patent application right of the invention completed by the cooperative technology development contract belongs to the cooperative partner * * *, and when one party transfers it, the other party has the preemptive right.