32 CFR § 746.9 - Royalties.
(a) Nonexclusive license. Normally, royalties shall not be changed under nonexclusive licenses granted to United States citizens and United States corporations on government inventions; however, the Chief of Naval Research may require other consideration.
(b) Limited exclusive license. A limited exclusive license on a government invention shall contain a royalty provision and/or other consideration flowing to the Government.