Article 15 of the Patent Law stipulates that if 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.
Except in the circumstances specified in the preceding paragraph, the exercise of all the patent application rights or patent rights of * * * shall be subject to the consent of the owner of * * *.