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The artificial patents in the PATSTAT database: How much do they matter when computing indicators of internationalisation based on worldwide priority patents?

Author

Listed:
  • Patricia Laurens

    (Université Paris-Est)

  • Lionel Villard

    (Université Paris-Est)

  • Antoine Schoen

    (Université Paris-Est)

  • Philippe Larédo

    (Université Paris-Est
    University of Manchester)

Abstract

This paper proposes to broaden by more than 10%—compared with the current practice—the set of applications for priority patents, which is used to compute worldwide patent indicators. This extension is made possible thanks to the inclusion in the corpus of documents used for the calculation of indicators of the first filing patent applications that are designated as “artificial priority patents” in the PATSTAT database and currently discarded for the production of indicators. This research aims to show how adding these “artificial” patent applications can modify the value of the worldwide patent indicators. Artificial patent applications have never been used before because they contain very scarce information in their original state. We present a methodology we have developed to, first, replenish the artificial patents with information retrieved from close patents belonging to the same INPADOC family. Then, we study in details a range of indicators characterising the trends in the internationalisation of corporate R&D inventive activities. We provide evidence that the internationalisation pattern can be modified when including replenished artificial corporate patents in the indicator calculation. At the world level, incorporating artificial priority patents does not affect the trends over time, nor introduce any significant changes in the values of the indicators. However, analyses performed at a smaller scale, such as the firms’ continent level or the firms’ sector, show significant changes of the level of the intercontinental internationalisation in particular for the US firms.

Suggested Citation

  • Patricia Laurens & Lionel Villard & Antoine Schoen & Philippe Larédo, 2018. "The artificial patents in the PATSTAT database: How much do they matter when computing indicators of internationalisation based on worldwide priority patents?," Scientometrics, Springer;Akadémiai Kiadó, vol. 114(1), pages 91-112, January.
    • Handle: RePEc:spr:scient:v:114:y:2018:i:1:d:10.1007_s11192-017-2578-5
    DOI: 10.1007/s11192-017-2578-5
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    References listed on IDEAS

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    1. Patricia Laurens & Christian Le Bas & Antoine Schoen, 2019. "Worldwide IP coverage of patented inventions in large pharma firms: to what extent do the internationalisation of R&D and firm strategy matter?," Post-Print hal-01725229, HAL.

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    More about this item

    Keywords

    R&D; Technology; Patents; Internationalisation; Indicators; Firms;
    All these keywords.

    JEL classification:

    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital

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