Oklahoma constitution
Article X: revenue and taxation
Section 15

F. Subject to requirements imposed by law, the governing boards of institutions within The Oklahoma State System of Higher Education and employees of those institutions may have an ownership interest in a technology, whether or not the technology is protected pursuant to federal or state law governing intellectual property, and may have an ownership interest in a business enterprise or private business entity, if the ownership interest is acquired as a result of research or development of a technology involving the authorized use of facilities, equipment, or services of such institutions.