Smoothing the lies: Do patent examiners take notice if applicants include citations?
AbstractPatent citations added by examiners are often used indicators of technological impact and knowledge flows, despite various critiques. In this study, we analyse the distribution of examiner patent citations according to patent characteristics, to show their limitations. According to our findings, the number of applicant citations included is dependent on the science-base of the technology. However, this gets masked by the citations added by patent examiners, who smooth the distribution of citations across technology classes and include the same number of citations regardless of whether applicants cite any references. Some researchers have called for the use of applicant rather than examiner patent citations as indicators of technology impact and knowledge flows. Nevertheless, we show that the former also have important caveats, because applicants may increase the number of citations in international patents and when there are co-applicants. The implications are that analysts should consider a context-driven use of citation-based indicators.
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Bibliographic InfoPaper provided by INGENIO (CSIC-UPV) in its series INGENIO (CSIC-UPV) Working Paper Series with number 201005.
Date of creation: 16 Jun 2010
Date of revision: 06 Jun 2011
Publication status: Published in Azagra-Caro, J. M., Mattsson, P. and Perruchas, F. (2011), Smoothing the lies: The distinctive effects of patent characteristics on examiner and applicant citations. Journal of the American Society for Information Science and Technology, 62: n/a. doi: 10.
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This paper has been announced in the following NEP Reports:
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- NEP-INO-2010-06-26 (Innovation)
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