Do Shorter Product Cycles Induce Patent Thickets?
AbstractThe traditional argument that shorter product cycles favor trade secret over patenting is reviewed. A game theoretic model provides an argument that shorter product cycles can induce firms to file more patent applications. The firms may be trapped in a prisoners' dilemma where all firms would jointly prefer to patent less and to not have a patent thicket. If firms start applying for patents on technologies which are not yet mature in order to cover ideas that may eventually turn successful, this may create a patent thicket. The transition into a situation where firms start patenting many ideas instead of single mature technologies is initiated and accelerated when network effects are present or patents exhibit a blocking property. --
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Bibliographic InfoPaper provided by ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research in its series ZEW Discussion Papers with number 08-098.
Date of creation: 2008
Date of revision:
patent thicket; product cycles; licensing; network effects;
Find related papers by JEL classification:
- L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance
- L2 - Industrial Organization - - Firm Objectives, Organization, and Behavior
- O31 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
- K2 - Law and Economics - - Regulation and Business Law
This paper has been announced in the following NEP Reports:
- NEP-ALL-2009-02-14 (All new papers)
- NEP-COM-2009-02-14 (Industrial Competition)
- NEP-INO-2009-02-14 (Innovation)
- NEP-IPR-2009-02-14 (Intellectual Property Rights)
- NEP-LAW-2009-02-14 (Law & Economics)
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