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

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Author Info
Nicolas van Zeebroeck () (Centre Emile Bernheim, Solvay Business School, Université Libre de Bruxelles, Brussels.)
Bruno Van Pottelsberghe () (Centre Emile Bernheim, Solvay Business School, Université Libre de Bruxelles, Brussels)
Dominique Guellec () (OECD -DSTI, Paris.)

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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.

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File URL: http://www.solvay.edu/EN/Research/Bernheim/documents/wp06018.pdf
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Publisher Info
Paper provided by Université Libre de Bruxelles, Solvay Brussels School of Economics and Management, Centre Emile Bernheim (CEB) in its series Working Papers CEB with number 06-018.RS.

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Length: 26 pages
Date of creation: Nov 2006
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Handle: RePEc:sol:wpaper:06-018

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

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Find related papers by JEL classification:
O31 - Economic Development, Technological Change, and Growth - - Technological Change - - - Innovation and Invention: Processes and Incentives
O34 - Economic Development, Technological Change, and Growth - - Technological Change - - - Intellectual Property Rights
O50 - Economic Development, Technological Change, and Growth - - Economywide Country Studies - - - General

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Bronwyn H. Hall & Stuart J. H. Graham & Dietmar Harhoff & David C. Mowery, 2004. "Prospects for Improving U.S. Patent Quality via Post-grant Opposition," Law and Economics 0401002, EconWPA. [Downloadable!]
    Other versions:
  2. Jerry A. Hausman & Bronwyn H. Hall & Zvi Griliches, 1984. "Econometric Models for Count Data with an Application to the Patents-R&D Relationship," NBER Technical Working Papers 0017, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
    Other versions:
  3. Carl Shapiro, 2000. "Navigating the Patent Thicket: Cross Licenses, Patent Pools, and Standard-Setting," Competition Policy Center, Working Paper Series CPC00-011, Competition Policy Center, Institute for Business and Economic Research, UC Berkeley. [Downloadable!]
    Other versions:
  4. 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. [Downloadable!] (restricted)
  5. Jean O. Lanjouw & Mark Schankerman, 1999. "The Quality of Ideas: Measuring Innovation with Multiple Indicators," NBER Working Papers 7345, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  6. 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. [Downloadable!]
  7. Archontopoulos, Eugenio & Guellec, Dominique & Stevnsborg, Niels & van Pottelsberghe de la Potterie, Bruno & van Zeebroeck, Nicolas, 2007. "When small is beautiful: Measuring the evolution and consequences of the voluminosity of patent applications at the EPO," Information Economics and Policy, Elsevier, vol. 19(2), pages 103-132, June. [Downloadable!] (restricted)
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  8. 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. [Downloadable!] (restricted)
  9. Kortum, Samuel & Lerner, Josh, 1999. "What is behind the recent surge in patenting?1," Research Policy, Elsevier, vol. 28(1), pages 1-22, January. [Downloadable!] (restricted)
  10. Mosahid Khan & Hélène Dernis, 2005. "Impact of Patent Co-Operation Treaty Data on Epo Patent Statistics and Improving the Timeliness of EPO Indicators," OECD Science, Technology and Industry Working Papers 2005/2, OECD, Directorate for Science, Technology and Industry. [Downloadable!]
  11. 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 and Francis Journals, vol. 11(2), pages 133-148, January. [Downloadable!] (restricted)
  12. Tong, Xuesong & Frame, J. Davidson, 1994. "Measuring national technological performance with patent claims data," Research Policy, Elsevier, vol. 23(2), pages 133-141, March. [Downloadable!] (restricted)
  13. James Bessen, 2004. "Patent Thickets: Strategic Patenting of Complex Technologies," Working Papers 0401, Research on Innovation. [Downloadable!]
  14. Guellec, Dominique & Pottelsberghe de la Potterie, Bruno v., 2000. "Applications, grants and the value of patent," Economics Letters, Elsevier, vol. 69(1), pages 109-114, October. [Downloadable!] (restricted)
  15. Cameron, A Colin & Trivedi, Pravin K, 1986. "Econometric Models Based on Count Data: Comparisons and Applications of Some Estimators and Tests," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 1(1), pages 29-53, January. [Downloadable!] (restricted)
Full references

Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Harhoff, Dietmar & Hoisl, Karin & van Pottelsberghe de la Potterie, Bruno, 2009. "Languages, Fees and the International Scope of Patenting," Discussion Papers in Business Administration 10456, University of Munich, Munich School of Management. [Downloadable!]
    Other versions:
  2. de Rassenfosse, Gaétan & van Pottelsberghe, Bruno, 2008. "A Policy Insight into the R&D-Patent Relationship," CEPR Discussion Papers 6716, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
    Other versions:
  3. Mejer, Malwina & van Pottelsberghe, Bruno, 2008. "The London Agreement and the Cost of Patenting in Europe," CEPR Discussion Papers 7033, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
    Other versions:
  4. George Lazaridis & Bruno Van Pottelsberghe, 2007. "The rigour of EPO's patentability criteria: An insight into the "induced withdrawals"," Working Papers CEB 07-007.RS, Université Libre de Bruxelles, Solvay Brussels School of Economics and Management, Centre Emile Bernheim (CEB). [Downloadable!]
    Other versions:
  5. Gaetan de Rassenfosse & Bruno van Pottelsberghe de la Potterie, 2008. "On the Price Elasticity of Demand for Patents," ECARES Working Papers 2008_031, Université Libre de Bruxelles, Ecares. [Downloadable!]
    Other versions:
  6. Nicolas van Zeebroeck, 2009. "From patent renewals to applications survival: do portfolio management strategies play a role in patent length?," Working Papers CEB 09-028.RS, Université Libre de Bruxelles, Solvay Brussels School of Economics and Management, Centre Emile Bernheim (CEB). [Downloadable!]
  7. Nicolas van Zeebroeck, 2008. "Développement et impact des stratégies de dépôt de brevets," Working Papers CEB 08-041.RS, Université Libre de Bruxelles, Solvay Brussels School of Economics and Management, Centre Emile Bernheim (CEB). [Downloadable!]
    Other versions:
  8. Nicolas van Zeebroeck, 2009. "Filing strategies and the increasing duration of patent applications," Working Papers CEB 09-005.RS, Université Libre de Bruxelles, Solvay Brussels School of Economics and Management, Centre Emile Bernheim (CEB). [Downloadable!]
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