Common use of Ownership of Derivative Works Clause in Contracts

Ownership of Derivative Works. Subject to the underlying copyright in the Software by Berkeley Lab and its licensors, Licensee retains all title, copyright, and other proprietary interests in derivative works of the Software that are developed by or on behalf of Licensee. Berkeley Lab does not acquire any rights, express or implied, in such derivative works.

Ownership of Derivative Works. Subject to the underlying copyright in the Software by Berkeley Lab and its licensors, Licensee retains all title, copyright, and other proprietary interests in derivative works of the Software that are solely developed by or on behalf of Licensee. Berkeley Lab does not acquire any rights, express or implied, in such derivative works. However, if a derivative work is developed jointly by Berkeley Lab and Licensee (i.e. at least one developers from Berkeley Lab and at least one developer from Licensee), each party retains an undivided half-interest in all title, copyright, and other proprietary interests and may use such derivative work without obligation of accounting to the other party.