Client grants Freelancer a limited, non-exclusive, revocable (at any time, at Client's sole discretion) right to use the Client Deliverables as necessary for the performance of the Services.
Upon completion or termination of the Service Contract, or upon written request by the Client, Freelancer shall immediately return all Client Deliverables to the Client and further agrees to purge all copies of Client Deliverables and Work Product contained in or on Freelancer's premises, systems, or any other equipment otherwise under Freelancer's control.
Within ten (10) days of Client's request, Freelancer agrees to provide written certification to the Client that all Client Deliverables have been returned or purged.
Client reserves all other rights and interest, including, without limitation, all Proprietary Rights, in and to the Client Deliverables.
Upon EdTec's receipt of Client's final payment therefor, Client shall have a perpetual, nontransferable, non-sublicensable, non-exclusive, paid-up right and license to use, copy, modify, and prepare derivative works of any deliverables originally developed in the course of the Services, whether individually by EdTec or jointly with Client ("Deliverables").