Patent Licensing in Vertically Disaggregated Industries: The Royalty Allocation Neutrality Principle

This paper investigates patent licensing in vertically disaggregated industries, where patent holders may license to upstream producers only, downstream producers only, or to both upstream and downstream producers. We consider whether consumer welfare will be greater if the patent holder's ability to license multiple parties along a production chain is restricted. We also analyse whether a policy that restricts licensing to upstream manufacturers constitutes appropriate public policy. These questions have significant policy implications. Under the legal doctrine of first sale, or patent exhaustion, a patent holder's ability to license multiple parties along a production chain is restricted. How and when such restrictions should be applied is a controversial issue, as evidenced by the US Supreme Court's granting certiorari in the Quanta case. Some commentators have even argued that refusing to license to upstream component manufacturers may constitute an abuse of dominance and thus infringe the competition laws. We find that under ideal circumstances how royalty rates are split along the production chain has no real consequence for social welfare. Even when we depart from ideal conditions, however, we still find no economic justification for restrictions of the patent holders' ability to license multiple parties or to license to downstream producers only.