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The rigour of EPO's patentability criteria: An insight into the "induced withdrawals"

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  • Lazaridis, George
  • van Pottelsberghe de la Potterie, Bruno

Abstract

The EPO traditionally grants at least 60% of all patent applications, the rest being either withdrawn (30-35%) or refused (5%). This paper provides quantitative evidence suggesting that up to 54% of all patent withdrawals could be considered as induced by the work of EPO examiners, and hence may be taken as a more appropriate indicator of the rigour of the EPO. "Induced withdrawals" and refusals occur for up to 23% of all applications at the EPO. This share varies according to (1) the route chosen for an EPO filing; (2) the technological field that is considered; and (3) the country of residence of the assignee. The number of claims only slightly affects the share of withdrawals. However, on average, two additional claims induce an additional communication from the EPO, which in turn prolongs the procedural duration by an additional year.

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  • Lazaridis, George & van Pottelsberghe de la Potterie, Bruno, 2007. "The rigour of EPO's patentability criteria: An insight into the "induced withdrawals"," World Patent Information, Elsevier, vol. 29(4), pages 317-326, December.
    • Handle: RePEc:eee:worpat:v:29:y:2007:i:4:p:317-326
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    1. van Zeebroeck, Nicolas & van Pottelsberghe de la Potterie, Bruno & Guellec, Dominique, 2009. "Claiming more: the Increased Voluminosity of Patent Applications and its Determinants," Research Policy, Elsevier, vol. 38(6), pages 1006-1020, July.
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    Cited by:

    1. 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.
    2. Gaétan de Rassenfosse & Emilio Raiteri, 2022. "Technology Protectionism and the Patent System: Evidence from China," Journal of Industrial Economics, Wiley Blackwell, vol. 70(1), pages 1-43, March.
    3. 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.
    4. Schettino, Francesco & Sterlacchini, Alessandro & Venturini, Francesco, 2013. "Inventive productivity and patent quality: Evidence from Italian inventors," Journal of Policy Modeling, Elsevier, vol. 35(6), pages 1043-1056.
    5. Malva, Antonio Della & Hussinger, Katrin, 2012. "Corporate science in the patent system: An analysis of the semiconductor technology," Journal of Economic Behavior & Organization, Elsevier, vol. 84(1), pages 118-135.
    6. Danguy Jérôme & van Pottelsberghe de la Potterie Bruno, 2011. "Cost-Benefit Analysis of the Community Patent," Journal of Benefit-Cost Analysis, De Gruyter, vol. 2(2), pages 1-43, April.
    7. Puay Tang & Dagmara Weckowska & André Campos & Michael Hobday, 2010. "Managing Intellectual Property in Universities: Patents and the Protection Failure Problem," SPRU Working Paper Series 188, SPRU - Science Policy Research Unit, University of Sussex Business School.
    8. Nicolas van Zeebroeck, 2007. "Patents only live twice: a patent survival analysis in Europe," Working Papers CEB 07-028.RS, ULB -- Universite Libre de Bruxelles.
    9. Schettino, Francesco & Sterlacchini, Alessandro, 2009. "Determinants of patent withdrawals: Evidence from a sample of Italian applications with the EPO," World Patent Information, Elsevier, vol. 31(4), pages 308-314, December.
    10. Bruno van Pottelsberghe, 2008. "The London Agreement and the cost of patenting in Europe," Working Papers 264, Bruegel.
    11. Bronwyn H. Hall & Grid Thoma & Salvatore Torrisi, 2009. "Financial Patenting in Europe," NBER Working Papers 14714, National Bureau of Economic Research, Inc.
    12. Bruno van Pottelsberghe de la Potterie, 2011. "The quality factor in patent systems," Industrial and Corporate Change, Oxford University Press and the Associazione ICC, vol. 20(6), pages 1755-1793, December.
    13. Harhoff, Dietmar & Hoisl, Karin & Reichl, Bettina & van Pottelsberghe de la Potterie, Bruno, 2009. "Patent validation at the country level--The role of fees and translation costs," Research Policy, Elsevier, vol. 38(9), pages 1423-1437, November.
    14. Gaétan De Rassenfosse & Paul H. Jensen & T'Mir Julius & Alfons Palangkaraya & Elizabeth Webster, 2023. "Is the Patent System an Even Playing Field? The Effect of Patent Attorney Firms," Journal of Industrial Economics, Wiley Blackwell, vol. 71(1), pages 124-142, March.
    15. de Saint-Georges, Matthis & van Pottelsberghe de la Potterie, Bruno, 2013. "A quality index for patent systems," Research Policy, Elsevier, vol. 42(3), pages 704-719.
    16. Nicolas van Zeebroeck, 2009. "Filing strategies and the increasing duration of patent applications," Working Papers CEB 09-005.RS, ULB -- Universite Libre de Bruxelles.
    17. 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.
    18. Francesco SCHETTINO & Alessandro STERLACCHINI, 2007. "European Patenting and the Size of Inventors," Working Papers 308, Universita' Politecnica delle Marche (I), Dipartimento di Scienze Economiche e Sociali.
    19. Jussi Heikkilä & Michael Verba, 2018. "The role of utility models in patent filing strategies: evidence from European countries," Scientometrics, Springer;Akadémiai Kiadó, vol. 116(2), pages 689-719, August.
    20. Gaetan de Rassenfosse & Bruno van Pottelsberghe de la Potterie, 2013. "The Role Of Fees In Patent Systems: Theory And Evidence," Journal of Economic Surveys, Wiley Blackwell, vol. 27(4), pages 696-716, September.
    21. Elizabeth Webster & Paul H. Jensen & Alfons Palangkaraya, 2014. "Patent examination outcomes and the national treatment principle," RAND Journal of Economics, RAND Corporation, vol. 45(2), pages 449-469, June.
    22. 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, ULB -- Universite Libre de Bruxelles.

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