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Insight into Different Types of Patent Families

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  • Catalina Martinez

    (Institute of Public Goods and Policies (IPP-CSIC))

Abstract

What are patent families? What is the impact of adopting one definition or another? Are some definitions of patent families better suited than others for certain uses in statistical and economic analysis? The aim of this paper is to provide some answers to these questions, compare the methodologies and outcomes of the most commonly used patent family definitions and provide guidance on how to build families based on raw data from the EPO Worldwide Patent Statistics database (PATSTAT). One of our findings, based on a characterisation of family structures, is that extended patent families and other family definitions, such as equivalents and single-priority families, provide identical outcomes for about 75% of the families with earliest priority dates in the 1990s because they have quite simple structures. Differences across definitions only become apparent for the families with more complex structures, which represent 25% of the families of that period. Éclairage sur différents types de familles de brevets Qu’est-ce qu’une famille de brevets ? Quelles conséquences l’adoption de telle ou telle définition peut-elle avoir ? Certaines définitions des familles de brevets sont-elles mieux adaptées que d’autres à certains usages en analyse statistique et économique ? Le présent document a pour objet d’apporter des réponses à ces questions, de comparer les méthodologies et les résultats des définitions de familles de brevets les plus courantes et de donner des indications sur la marche à suivre pour construire des familles de brevets à partir des données brutes de la base de données mondiale de l’OEB sur les brevets (PATSTAT). L’une de nos conclusions, fondée sur une caractérisation des structures des familles de brevets, est que des familles de brevets étendues et d’autres types de familles de brevets, tels que les équivalents et les familles de brevets partageant la même priorité, fournissent des résultats identiques pour 75 % environ des familles dont les premières dates de priorité se situent dans les années 90, car elles présentent des structures relativement simples. Les définitions ne commencent à diverger que pour les familles offrant des structures plus complexes, lesquelles représentent 25 % de l’ensemble pour cette période.

Suggested Citation

  • Catalina Martinez, 2010. "Insight into Different Types of Patent Families," OECD Science, Technology and Industry Working Papers 2010/2, OECD Publishing.
  • Handle: RePEc:oec:stiaaa:2010/2-en
    DOI: 10.1787/5kml97dr6ptl-en
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    Cited by:

    1. Valentina DI IASIO & Ernest MIGUELEZ, 2021. "The ties that bind and transform: knowledge remittances, relatedness and the direction of technical change," Bordeaux Economics Working Papers 2021-13, Groupe de Recherche en Economie Théorique et Appliquée (GREThA).
    2. Zheming Yan & Lan Yi & Kerui Du & Zhiming Yang, 2017. "Impacts of Low-Carbon Innovation and Its Heterogeneous Components on CO 2 Emissions," Sustainability, MDPI, Open Access Journal, vol. 9(4), pages 1-14, April.
    3. Ejdemo, Thomas & Örtqvist, Daniel, 2020. "Related variety as a driver of regional innovation and entrepreneurship: A moderated and mediated model with non-linear effects," Research Policy, Elsevier, vol. 49(7).
    4. Lazkano, Itziar & Pham, Linh, 2016. "Do Fossil fuel Taxes Promote Innovation in Renewable Electricity Generation?," Discussion Paper Series in Economics 16/2016, Norwegian School of Economics, Department of Economics.
    5. Philippe Aghion & Antoine Dechezleprêtre & David Hémous & Ralf Martin & John Van Reenen, 2016. "Carbon Taxes, Path Dependency, and Directed Technical Change: Evidence from the Auto Industry," Journal of Political Economy, University of Chicago Press, vol. 124(1), pages 1-51.
    6. Antoine Dechezleprêtre & Yann Ménière & Myra Mohnen, 2017. "International patent families: from application strategies to statistical indicators," Scientometrics, Springer;Akadémiai Kiadó, vol. 111(2), pages 793-828, May.
    7. Wurlod, Jules-Daniel & Noailly, Joëlle, 2018. "The impact of green innovation on energy intensity: An empirical analysis for 14 industrial sectors in OECD countries," Energy Economics, Elsevier, vol. 71(C), pages 47-61.
    8. de Rassenfosse, Gaétan & Dernis, Hélène & Guellec, Dominique & Picci, Lucio & van Pottelsberghe de la Potterie, Bruno, 2013. "The worldwide count of priority patents: A new indicator of inventive activity," Research Policy, Elsevier, vol. 42(3), pages 720-737.
    9. Helmers, Christian & Patnam, Manasa & Rau, P. Raghavendra, 2017. "Do board interlocks increase innovation? Evidence from a corporate governance reform in India," Journal of Banking & Finance, Elsevier, vol. 80(C), pages 51-70.
    10. Palage, Kristoffer & Lundmark, Robert & Söderholm, Patrik, 2019. "The impact of pilot and demonstration plants on innovation: The case of advanced biofuel patenting in the European Union," International Journal of Production Economics, Elsevier, vol. 210(C), pages 42-55.
    11. Lazkano, Itziar & Nøstbakken, Linda & Pelli, Martino, 2017. "From fossil fuels to renewables: The role of electricity storage," European Economic Review, Elsevier, vol. 99(C), pages 113-129.
    12. Peter Mayerhofer, 2017. "Oberösterreichs Wirtschaft im europäischen Konkurrenzumfeld. Zweiter Bericht zur internationalen Wettbewerbsfähigkeit, 2017," WIFO Studies, WIFO, number 60592, December.
    13. Marino, Alba & Mudambi, Ram & Perri, Alessandra & Scalera, Vittoria G., 2020. "Ties that bind: Ethnic inventors in multinational enterprises’ knowledge integration and exploitation," Research Policy, Elsevier, vol. 49(9).
    14. Ronald B. Davies & Dieter Franz Kogler & Ryan M. Hynes, 2020. "Patent Boxes and the Success Rate of Applications," Working Papers 202018, School of Economics, University College Dublin.
    15. Emanuele Pugliese & Lorenzo Napolitano & Andrea Zaccaria & Luciano Pietronero, 2019. "Coherent diversification in corporate technological portfolios," PLOS ONE, Public Library of Science, vol. 14(10), pages 1-22, October.
    16. Christian Helmers & Henry G. Overman, 2017. "My Precious! The Location and Diffusion of Scientific Research: Evidence from the Synchrotron Diamond Light Source," Economic Journal, Royal Economic Society, vol. 127(604), pages 2006-2040, September.
    17. Peter Mayerhofer & Matthias Firgo & Stefan Schönfelder, 2015. "Vierter Bericht zur internationalen Wettbewerbsfähigkeit Wiens," WIFO Studies, WIFO, number 60625, December.
    18. Hall, Bronwyn H. & Helmers, Christian, 2013. "Innovation and diffusion of clean/green technology: Can patent commons help?," Journal of Environmental Economics and Management, Elsevier, vol. 66(1), pages 33-51.
    19. Emanuele Pugliese & Lorenzo Napolitano & Andrea Zaccaria & Luciano Pietronero, 2017. "Coherent diversification in corporate technological portfolios," Papers 1707.02188, arXiv.org.
    20. repec:iab:iabfda:201803(en is not listed on IDEAS
    21. Gurney, Thomas & Horlings, Edwin & van den Besselaar, Peter & Sumikura, Koichi & Schoen, Antoine & Laurens, Patricia & Pardo, Daniel, 2014. "Analysing knowledge capture mechanisms: Methods and a stylised bioventure case," Journal of Informetrics, Elsevier, vol. 8(1), pages 259-272.
    22. Ribeiro, Barbara & Shapira, Philip, 2020. "Private and public values of innovation: A patent analysis of synthetic biology," Research Policy, Elsevier, vol. 49(1).
    23. Philippe Aghion & Antoine Dechezleprêtre & David Hémous & Ralf Martin & John Van Reenen, 2016. "Carbon Taxes, Path Dependency, and Directed Technical Change: Evidence from the Auto Industry," Journal of Political Economy, University of Chicago Press, vol. 124(1), pages 1-51.
    24. Jonas Heiberg & Christian Binz & Bernhard Truffer, 2020. "The Geography of Technology Legitimation. How multi-scalar legitimation processes matter for path creation in emerging industries," Papers in Evolutionary Economic Geography (PEEG) 2034, Utrecht University, Department of Human Geography and Spatial Planning, Group Economic Geography, revised Aug 2020.

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