Strategic patenting and software innovation

Noel, Michael D. and Schankerman, Mark (2006) Strategic patenting and software innovation. . Centre for Economic Policy Research (Great Britain), London, UK.

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Abstract

Strategic patenting is widely believed to raise the costs of innovating, especially in industries characterised by cumulative innovation. This paper studies the effects of strategic patenting on R&D, patenting and market value in the computer software industry. We focus on two key aspects: patent portfolio size which affects bargaining power in patent disputes, and the fragmentation of patent rights ('patent thickets') which increases the transaction costs of enforcement. We develop a model that incorporates both effects, together with R&D spillovers. Using panel data for the period 1980-99, we find evidence that both strategic patenting and R&D spillovers strongly affect innovation and market value of software firms.

Item Type:	Monograph (Discussion Paper)
Official URL:	http://www.cepr.org
Additional Information:	© 2006 Michael Noel and Mark Schankerman
Divisions:	Economics STICERD
Subjects:	T Technology > T Technology (General) K Law > K Law (General)
JEL classification:	O - Economic Development, Technological Change, and Growth > O3 - Technological Change; Research and Development > O34 - Intellectual Property Rights: National and International Issues O - Economic Development, Technological Change, and Growth > O3 - Technological Change; Research and Development > O31 - Innovation and Invention: Processes and Incentives O - Economic Development, Technological Change, and Growth > O3 - Technological Change; Research and Development > O33 - Technological Change: Choices and Consequences; Diffusion Processes O - Economic Development, Technological Change, and Growth > O3 - Technological Change; Research and Development > O38 - Government Policy L - Industrial Organization > L4 - Antitrust Issues and Policies > L43 - Legal Monopolies and Regulation or Deregulation L - Industrial Organization > L8 - Industry Studies: Services > L86 - Information and Internet Services; Computer Software
Date Deposited:	27 May 2008 10:55
Last Modified:	15 Sep 2023 23:06
URI:	http://eprints.lse.ac.uk/id/eprint/5078

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