Efficient Patent Pools

46 Pages Posted: 15 Sep 2002 Last revised: 29 Jul 2022

See all articles by Jean Tirole

Jean Tirole

University of Toulouse 1 - Industrial Economic Institute (IDEI); University of Toulouse 1 - Groupe de Recherche en Economie Mathématique et Quantitative (GREMAQ); Centre for Economic Policy Research (CEPR)

Josh Lerner

Harvard Business School - Finance Unit; Harvard University - Entrepreneurial Management Unit; National Bureau of Economic Research (NBER); European Corporate Governance Institute (ECGI); Harvard University - Private Capital Research Institute

Multiple version iconThere are 2 versions of this paper

Date Written: September 2002

Abstract

The paper builds a tractable model of a patent pool, an agreement among patent owners to license a set of their patents to one another or to third parties. It first provides a necessary and suñcient condition for a patent pool to enhance welfare. It shows that requiring pool members to be able to independently license patents matters if and only if the pool is otherwise welfare reducing, a property that allows the antitrust authorities to use this requirement to screen out unattractive pools. The paper then undertakes a number of extensions. It evaluates the external test' according to which patents with substitutes should not be included in a pool; analyzes the welfare implications of the reduction in the members' incentives to invent around or challenge the validity of each other's patents; looks at the rationale for the (common) provision of automatic assignment of future related patents to the pool; and, last, studies the intellectual property owners' incentives to form a pool or to cross-license when they themselves are users of the patents in the pool.

Suggested Citation

Tirole, Jean and Lerner, Josh, Efficient Patent Pools (September 2002). NBER Working Paper No. w9175, Available at SSRN: https://ssrn.com/abstract=330314

Jean Tirole

University of Toulouse 1 - Industrial Economic Institute (IDEI) ( email )

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University of Toulouse 1 - Groupe de Recherche en Economie Mathématique et Quantitative (GREMAQ) ( email )

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Centre for Economic Policy Research (CEPR)

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