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Mapping the importance of the real world: The validity of connectivity analysis of patent citations networks

  • Barberá-Tomás, David
  • Jiménez-Sáez, Fernando
  • Castelló-Molina, Itziar
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    Recent empirical findings have questioned the use of patent citations as a measure. This points to the need of validation of patent citations methodologies, which we address by testing a recent methodology for studying technological evolution, namely connectivity analysis of citation networks. We find connectivity analysis to be a valid tool to identify the reliable knowledge which opens the way to further technological evolution of a surgical prosthesis, the artificial spinal disc. We also illustrate how connectivity analysis represents how this reliable knowledge differs depending on the stage of technological evolution. The corroborated validity of connectivity analysis of patent citations may trigger a renaissance in the use of this kind of patent data.

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    File URL: http://www.sciencedirect.com/science/article/B6V77-51PB8JB-1/2/27f13ecf92704f6e7e93e37269b01720
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    Article provided by Elsevier in its journal Research Policy.

    Volume (Year): 40 (2011)
    Issue (Month): 3 (April)
    Pages: 473-486

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    Handle: RePEc:eee:respol:v:40:y:2011:i:3:p:473-486
    Contact details of provider: Web page: http://www.elsevier.com/locate/respol

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    1. Giuri, Paola & Mariani, Myriam & Brusoni, Stefano & Crespi, Gustavo & Francoz, Dominique & Gambardella, Alfonso & Garcia-Fontes, Walter & Geuna, Aldo & Gonzales, Raul & Harhoff, Dietmar & Hoisl, Karin, 2007. "Inventors and invention processes in Europe: Results from the PatVal-EU survey," Research Policy, Elsevier, vol. 36(8), pages 1107-1127, October.
    2. J.S. Metcalfe, 2002. "special issue: Knowledge of growth and the growth of knowledge," Journal of Evolutionary Economics, Springer, vol. 12(1), pages 3-15.
    3. Murmann, Johann Peter & Frenken, Koen, 2006. "Toward a systematic framework for research on dominant designs, technological innovations, and industrial change," Research Policy, Elsevier, vol. 35(7), pages 925-952, September.
    4. Arthur, W. Brian, 2007. "The structure of invention," Research Policy, Elsevier, vol. 36(2), pages 274-287, March.
    5. Palomeras, Neus, 2003. "Sleeping patents: any reason to wake up?," IESE Research Papers D/506, IESE Business School.
    6. Gambardella, Alfonso & Harhoff, Dietmar & Verspagen, Bart, 2008. "The Value of European Patents," CEPR Discussion Papers 6848, C.E.P.R. Discussion Papers.
    7. Verspagen,Bart, 2005. "Mapping Technological Trajectories as Patent Citation Networks. A Study on the History of Fuel Cell Research," Research Memorandum 019, Maastricht University, Maastricht Economic Research Institute on Innovation and Technology (MERIT).
    8. Roberto Fontana & Alessandro Nuvolari & Bart Verspagen, 2008. "Mapping Technological Trajectories as Patent Citation Networks. An application to Data Communication Standards," SPRU Working Paper Series 166, SPRU - Science and Technology Policy Research, University of Sussex.
    9. von Wartburg, Iwan & Teichert, Thorsten & Rost, Katja, 2005. "Inventive progress measured by multi-stage patent citation analysis," Research Policy, Elsevier, vol. 34(10), pages 1591-1607, December.
    10. Geels, Frank W., 2002. "Technological transitions as evolutionary reconfiguration processes: a multi-level perspective and a case-study," Research Policy, Elsevier, vol. 31(8-9), pages 1257-1274, December.
    11. Davide Consoli & Andrea Mina, 2009. "An evolutionary perspective on health innovation systems," Journal of Evolutionary Economics, Springer, vol. 19(2), pages 297-319, April.
    12. Juan Alcácer & Michelle Gittelman, 2006. "Patent Citations as a Measure of Knowledge Flows: The Influence of Examiner Citations," The Review of Economics and Statistics, MIT Press, vol. 88(4), pages 774-779, November.
    13. Mina, A. & Ramlogan, R. & Tampubolon, G. & Metcalfe, J.S., 2007. "Mapping evolutionary trajectories: Applications to the growth and transformation of medical knowledge," Research Policy, Elsevier, vol. 36(5), pages 789-806, June.
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