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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The EPO traditionally grants at least 60% of all patent applications, the rest being either withdrawn (30-35%) or refused (5%).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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Bibliographic Info

Article provided by Elsevier in its journal World Patent Information.

Volume (Year): 29 (2007)
Issue (Month): 4 (December)
Pages: 317-326

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Handle: RePEc:eee:worpat:v:29:y:2007:i:4:p:317-326

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Keywords: European Patent Office Grant Patent filing Induced withdrawals Claims Communications Examination procedure;

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  1. Bruno Van Pottelsberghe & Dominique Guellec, 2000. "Applications grants and the value of patents," ULB Institutional Repository 2013/6229, ULB -- Universite Libre de Bruxelles.
  2. Nicolas van Zeebroeck & Bruno Van Pottelsberghe & Dominique Guellec, 2009. "Claiming more: the increased voluminosity of patent applications and its determinants," ULB Institutional Repository 2013/60726, ULB -- Universite Libre de Bruxelles.
  3. Archontopoulos, Eugenio & Guellec, Dominique & Stevnsborg, Niels & van Pottelsberghe, Bruno & van Zeebroeck, Nicolas, 2006. "When Small is Beautiful: Measuring the Evolution and Consequences of the Voluminosity of Patent Applications at the EPO," CEPR Discussion Papers 5970, C.E.P.R. Discussion Papers.
  4. Bruno Van Pottelsberghe & Didier François, 2006. "The cost factor in patent systems," Working Papers CEB 06-002.RS, ULB -- Universite Libre de Bruxelles.
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