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...

Many high technology goods are based on standards that require several essential patents owned by different IP holders. This gives rise to a complements and a double mark-up problem. We compare the welfare effects of two different business strategies dealing with these problems. Vertical...