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Claiming more: the increased voluminosity of patent applications and its determinants

Author

Listed:
  • Nicolas van Zeebroeck
  • Bruno Van Pottelsberghe
  • Dominique Guellec

Abstract

The joint increase in the number and size of patents filed around the world puts the patent system under pressure. This paper analyses the sources of this surge in number of claims and pages of patent applications at the EPO. Four hypotheses are scrutinized: the diffusion of national drafting practices, the increasing complexity of inventions, the emergence of new sectors, and new patenting strategies. The results show that the increasing voluminosity is explained by all these hypotheses and suggest that the diffusion of the US model through the PCT is one of the major factors driving the size of EPO patent applications.

Suggested Citation

  • Nicolas van Zeebroeck & Bruno Van Pottelsberghe & Dominique Guellec, 2006. "Claiming more: the increased voluminosity of patent applications and its determinants," Working Papers CEB 06-018.RS, ULB -- Universite Libre de Bruxelles.
  • Handle: RePEc:sol:wpaper:06-018
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    References listed on IDEAS

    as
    1. Dominique Guellec & Bruno Van Pottelsberghe de la Potterie, 2002. "The Value of Patents and Patenting Strategies: Countries and Technology Areas Patterns," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 11(2), pages 133-148.
    2. Paul H. Jensen & Alfons Palangkaraya & Elizabeth Webster, 2005. "Patent Application Outcomes across the Trilateral Patent Offices," Melbourne Institute Working Paper Series wp2005n05, Melbourne Institute of Applied Economic and Social Research, The University of Melbourne.
    3. Nicolas van Zeebroeck & Bruno van Pottelsberghe de la Potterie, 2011. "Filing strategies and patent value," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 20(6), pages 539-561, February.
    4. Bruno van Pottelsberghe de la Potterie & Didier François, 2009. "The Cost Factor in Patent Systems," Journal of Industry, Competition and Trade, Springer, vol. 9(4), pages 329-355, December.
    5. Guellec, Dominique & Pottelsberghe de la Potterie, Bruno v., 2001. "The internationalisation of technology analysed with patent data," Research Policy, Elsevier, vol. 30(8), pages 1253-1266, October.
    6. Carine Peeters & Bruno Pottelsberghe de la Potterie, 2006. "Innovation strategy and the patenting behavior of firms," Journal of Evolutionary Economics, Springer, vol. 16(1), pages 109-135, April.
    7. James Bessen, 2004. "Patent Thickets: Strategic Patenting of Complex Technologies," Working Papers 0401, Research on Innovation.
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    9. Carl Shapiro, 2001. "Navigating the Patent Thicket: Cross Licenses, Patent Pools, and Standard Setting," NBER Chapters,in: Innovation Policy and the Economy, Volume 1, pages 119-150 National Bureau of Economic Research, Inc.
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    17. Nicolas van Zeebroeck & Bruno van Pottelsberghe de la Potterie & Wook Han, 2006. "Issues in measuring the degree of technological specialisation with patent data," Scientometrics, Springer;Akadémiai Kiadó, vol. 66(3), pages 481-492, March.
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    Full references (including those not matched with items on IDEAS)

    More about this item

    Keywords

    Patent voluminosity; Patent applications; IP strategy; Claim drafting; Patent systems.;

    JEL classification:

    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital
    • O50 - Economic Development, Innovation, Technological Change, and Growth - - Economywide Country Studies - - - General

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