We develop a theory of control rights in the context of licencing interim innovative knowledge for further development, which is consistent with the inalienability of initial innovator's intellectual property rights. Control rights of a downstream development unit, a buyer of the interin...

We develop a model of two-stage cumulative research and development (Ramp;D), in which one Research Unit (RU) with an innovative idea bargains to license her nonverifiable interim knowledge exclusively to one of two competing Development Units (DUs) via one of two alternative modes: an Open sale...