The licensee's main obligation in a patent license contract are as follows: accord to article 867 of that civil code, the licensee of a patent license contract shall exploit the patent in accordance with the agreement, and shall not license a third party outside the agreement to exploit the patent, and shall pay the royalties in accordance with the agreement.
Legal objectivity:
Article 867 of the Civil Code The licensee of a patent licensing contract shall exploit the patent in accordance with the agreement, and shall not license a third party other than the agreement to exploit the patent, and shall pay the royalties in accordance with the agreement.