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Tracking patent transfers in different European countries: methods and a first application to medical technologies

Author

Listed:
  • Laurie Ciaramella

    () (CERNA - Centre for industrial economics, i3, CNRS)

  • Catalina Martínez

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

  • Yann Ménière

    () (European Patent Office
    CERNA - Centre for industrial economics, i3, CNRS)

Abstract

Abstract Drawing on more than half a million granted patents in all technological sectors filed at EPO between 1998 and 2012 we gather information on 300,000 inscriptions affecting changes in their ownership at the EPO and top national registers (France, Germany, Switzerland, Spain). After grouping parallel legal events in different European validation countries, we find that more than 30% of EPO patents in all fields change ownership at least once. For the field of medical technologies, we exploit additional information on corporate structures to further distinguish between “intragroup” and “bare” changes of ownership thanks. Our results indicate that more than two-thirds of the transfers happen “intragroup”, that is between related corporate entities. Using regressions analyses, we finally explore and discuss relations between the occurrence and types of these transfers of patent and proxies for patent quality.

Suggested Citation

  • Laurie Ciaramella & Catalina Martínez & Yann Ménière, 2017. "Tracking patent transfers in different European countries: methods and a first application to medical technologies," Scientometrics, Springer;Akadémiai Kiadó, vol. 112(2), pages 817-850, August.
  • Handle: RePEc:spr:scient:v:112:y:2017:i:2:d:10.1007_s11192-017-2411-1
    DOI: 10.1007/s11192-017-2411-1
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    References listed on IDEAS

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    Cited by:

    1. Gianluca Orsatti & Valerio Sterzi, 2018. "Do Patent Assertion Entities Harm Innovation? Evidence from Patent Transfers in Europe," Cahiers du GREThA 2018-08, Groupe de Recherche en Economie Théorique et Appliquée.

    More about this item

    Keywords

    Patent; Patent trade; Technology markets; Medical technologies;

    JEL classification:

    • O3 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights
    • O5 - Economic Development, Innovation, Technological Change, and Growth - - Economywide Country Studies
    • D - Microeconomics

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