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Harmonizing and Combining Large Datasets – An Application to Firm-Level Patent and Accounting Data

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Author Info

  • Grid Thoma
  • Salvatore Torrisi
  • Alfonso Gambardella
  • Dominique Guellec
  • Bronwyn H. Hall
  • Dietmar Harhoff

Abstract

This paper discusses methods for the harmonization and combination of large-scale patent and trademark datasets with each other and other sources of data. Dictionary- and rule-based approaches to the consolidation of applicant names in patent data are presented and shown to have both benefits and drawbacks in isolation. We combine the two methods and develop a set of rules and dictionaries to consolidate European, Patent Cooperation Treaty (PCT) and US patent data with firm accounting data. The resulting data encompass about 131,000 patent applicant names from 46 countries, covering 58.8 percent of EPO applications and 50.6 percent of PCT applications by business organizations during the time period from 1979 to 2008. For US data, the resulting dataset includes around 54,000 assignee names and 51.3 percent of US granted patents during approximately the same time period.

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Bibliographic Info

Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 15851.

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Date of creation: Mar 2010
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Handle: RePEc:nbr:nberwo:15851

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Cited by:
  1. Claudia Ghisetti & Francesco Quatraro, 2014. "Is green knowledge improving environmental productivity? Sectoral Evidence from Italian Regions," SEEDS Working Papers 1014, SEEDS, Sustainability Environmental Economics and Dynamics Studies, revised May 2014.
  2. Antonelli,Cristiano & Colombelli, Alessandra, 2013. "Knowledge cumulability and complementarity in the knowledge generation function," Department of Economics and Statistics Cognetti de Martiis LEI & BRICK - Laboratory of Economics of Innovation "Franco Momigliano", Bureau of Research in Innovation, Complexity and Knowledge, Collegio 201303, University of Turin.
  3. Colombelli Alessandra & Krafft.Jackie & Quatraro Francesco, 2012. "Properties of knowledge base and firm survival: Evidence from a sample of French manufacturing firms," Department of Economics and Statistics Cognetti de Martiis LEI & BRICK - Laboratory of Economics of Innovation "Franco Momigliano", Bureau of Research in Innovation, Complexity and Knowledge, Collegio 201209, University of Turin.
  4. Martin Andersson & Hans Lööf, 2012. "Small business innovation: firm level evidence from Sweden," The Journal of Technology Transfer, Springer, vol. 37(5), pages 732-754, October.
  5. Markus Eberhardt & Christian Helmers, 2011. "Is the Dragon Learning to Fly? An Analysis of the Chinese Patent Explosion," Economics Series Working Papers WPS/2011-15, University of Oxford, Department of Economics.
  6. Michele PEZZONI (University of Milano-Bicocca - KiTES-Università Bocconi - Observatoire des Sciences et des Techniques) & Francesco LISSONI (GREThA, CNRS, UMR 5113 - KiTES) & Gianluca TARASCONI (KiTE, 2012. "How To Kill Inventors: Testing The Massacrator© Algorithm For Inventor Disambiguation," Cahiers du GREThA 2012-29, Groupe de Recherche en Economie Théorique et Appliquée.
  7. Justus Baron & Yann Ménière & Tim Pohlmann, 2012. "Joint innovation in ICT standards: How consortia drive the volume of patent filings," Working Papers hal-00707291, HAL.
  8. Chiara Pederzoli & Grid Thoma & Costanza Torricelli, 2013. "Modelling Credit Risk for Innovative SMEs: the Role of Innovation Measures," Journal of Financial Services Research, Springer, vol. 44(1), pages 111-129, August.
  9. Isabel Tecu, 2013. "The Location of Industrial Innovation: Does Manufacturing Matter?," Working Papers 13-09, Center for Economic Studies, U.S. Census Bureau.
  10. Christoph Ernst & Katharina Richter & Nadine Riedel, 2013. "Corporate taxation and the quality of research & development," Working Papers 1301, Oxford University Centre for Business Taxation.
  11. Alessandra Colombelli & Francesco Quatraro, 2013. "The persistence of firms' knowledge base: A quantile approach to Italian data," Working Papers hal-00867132, HAL.
  12. repec:hal:wpaper:hal-00686007 is not listed on IDEAS
  13. Brown, James R. & Martinsson, Gustav & Petersen, Bruce C., 2012. "Do financing constraints matter for R&D?," European Economic Review, Elsevier, vol. 56(8), pages 1512-1529.
  14. N.S. Bosma & F.G. van Oort, 2012. "Agglomeration Economies, Inventors and Entrepreneurs as Engines of European Regional Productivity," Working Papers 12-20, Utrecht School of Economics.
  15. Patrick Llerena & Valentine Millot, 2013. "Are Trade Marks and Patents Complementary or Substitute Protections for Innovation," Working Papers of BETA 2013-01, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
  16. Frank Oort & Niels Bosma, 2013. "Agglomeration economies, inventors and entrepreneurs as engines of European regional economic development," The Annals of Regional Science, Springer, vol. 51(1), pages 213-244, August.

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