The transfers to all the intellectual property rights which the has been granted in the performance of the work. If it is not possible to transfer these rights, the grants a perpetual, exclusive, transferrable, sub licensable worldwide licence with regard to the rights and the agrees to cooperate with the transfer of these rights to . Once the rights of the are transferred to , grants a perpetual, non-exclusive, non-transferrable, non-sub licensable, worldwide licence for such rights to the , unless deems this to be impossible as a result of the obligations which has with regard to third parties. In that case, will investigate whether it is possible to grant the a more limited licence.