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

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  • Barberá-Tomás, David
  • Jiménez-Sáez, Fernando
  • Castelló-Molina, Itziar
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    Abstract

    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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    Bibliographic Info

    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

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    Web page: http://www.elsevier.com/locate/respol

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    Keywords: Patent citations Technological evolution Connectivity analysis Validity Medical innovation;

    References

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    1. 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.
    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. 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).
    4. P. Murmann & K. Frenken, 2002. "Toward a Systematic Framework for Research on Dominant Designs, Technological Innovations, and Industrial Change," Papers on Economics and Evolution 2002-12, Philipps University Marburg, Department of Geography.
    5. Palomeras, Neus, 2003. "Sleeping patents: any reason to wake up?," IESE Research Papers D/506, IESE Business School.
    6. 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.
    7. Roberto Fontana & Alessandro Nuvolari & Bart Verspagen, 2009. "Mapping technological trajectories as patent citation networks. An application to data communication standards," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 18(4), pages 311-336.
    8. 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.
    9. Arthur, W. Brian, 2007. "The structure of invention," Research Policy, Elsevier, vol. 36(2), pages 274-287, March.
    10. Davide Consoli & Andrea Mina, 2009. "An evolutionary perspective on health innovation systems," Journal of Evolutionary Economics, Springer, vol. 19(2), pages 297-319, April.
    11. 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.
    12. Gambardella, Alfonso & Harhoff, Dietmar & Verspagen, Bart, 2008. "The Value of European Patents," CEPR Discussion Papers 6848, C.E.P.R. Discussion Papers.
    13. 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.
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    Cited by:
    1. Epicoco, Marianna, 2013. "Knowledge patterns and sources of leadership: Mapping the semiconductor miniaturization trajectory," Research Policy, Elsevier, vol. 42(1), pages 180-195.
    2. Nemet, Gregory F. & Johnson, Evan, 2012. "Do important inventions benefit from knowledge originating in other technological domains?," Research Policy, Elsevier, vol. 41(1), pages 190-200.
    3. Yolanda Reig-Otero & Monica Edwards & C. Feliú-Mingarro & L. Fernández De Lucio, 2011. "Generation and diffusion of innovations in a district learning system: the case of Ink-Jet Printing," ERSA conference papers ersa11p1834, European Regional Science Association.
    4. Marianna EPICOCO (GREThA, CNRS, UMR 5113) & Vanessa OLTRA (GREThA, CNRS, UMR 5113) & Maïder SAINT JEAN (GREThA, CNRS, UMR 5113), 2012. "Mapping the scientific knowledge of the Green Chemistry community (In French)," Cahiers du GREThA 2012-10, Groupe de Recherche en Economie Théorique et Appliquée.
    5. Nemet, Gregory F., 2012. "Inter-technology knowledge spillovers for energy technologies," Energy Economics, Elsevier, vol. 34(5), pages 1259-1270.

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