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Text matching to measure patent similarity

Author

Listed:
  • Sam Arts
  • Bruno Cassiman
  • Juan Carlos Gomez

Abstract

We propose using text matching to measure the technological similarity between patents. Technology experts from different fields validate the new similarity measure and its improvement on measures based on the United States Patent Classification System, and identify its limitations. As an application, we replicate prior findings on the localization of knowledge spillovers by constructing a case-control group of text-matched patents. We also provide open access to the code and data to calculate the similarity between any two utility patents granted by the United States Patent and Trademark Office between 1976 and 2013, or between any two patent portfolios.

Suggested Citation

  • Sam Arts & Bruno Cassiman & Juan Carlos Gomez, 2017. "Text matching to measure patent similarity," Working Papers of Department of Management, Strategy and Innovation, Leuven 590543, KU Leuven, Faculty of Economics and Business (FEB), Department of Management, Strategy and Innovation, Leuven.
    • Handle: RePEc:ete:msiper:590543
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    Cited by:

    1. Juan Carlos Gomez, 2019. "Analysis of the effect of data properties in automated patent classification," Scientometrics, Springer;Akadémiai Kiadó, vol. 121(3), pages 1239-1268, December.
    2. Nancy Kong & Uwe Dulleck & Adam Jaffe & Shupeng Sun & Sowmya Vajjala, 2020. "Linguistic Metrics for Patent Disclosure: Evidence from University versus Corporate Patents," CESifo Working Paper Series 8571, CESifo.
    3. Sijie Feng, 2020. "The proximity of ideas: An analysis of patent text using machine learning," PLOS ONE, Public Library of Science, vol. 15(7), pages 1-19, July.
    4. Schnitzer, Monika & Watzinger, Martin, 2019. "Standing on the shoulders of science," CEPR Discussion Papers 13766, C.E.P.R. Discussion Papers.
    5. Kuan, Chung-Huei & Chen, Dar-Zen & Huang, Mu-Hsuan, 2019. "Bibliographically coupled patents: Their temporal pattern and combined relevance," Journal of Informetrics, Elsevier, vol. 13(4).
    6. Nicholas Argyres & Luis A. Rios & Brian S. Silverman, 2020. "Organizational change and the dynamics of innovation: Formal R&D structure and intrafirm inventor networks," Strategic Management Journal, Wiley Blackwell, vol. 41(11), pages 2015-2049, November.
    7. Holger Graf & Matthias Menter, 2020. "Public research and the quality of inventions: the role and impact of entrepreneurial universities and regional network embeddedness," Jena Economic Research Papers 2020-011, Friedrich-Schiller-University Jena.
    8. Kyle W. Higham & Gaétan de Rassenfosse & Adam B. Jaffe, 2020. "Patent Quality: Towards a Systematic Framework for Analysis and Measurement," NBER Working Papers 27598, National Bureau of Economic Research, Inc.
    9. Michaël Bikard, 2020. "Idea twins: Simultaneous discoveries as a research tool," Strategic Management Journal, Wiley Blackwell, vol. 41(8), pages 1528-1543, August.
    10. Bernardo S Buarque & Ronald B Davies & Ryan M Hynes & Dieter F Kogler, 2020. "OK Computer: the creation and integration of AI in Europe," Cambridge Journal of Regions, Economy and Society, Cambridge Political Economy Society, vol. 13(1), pages 175-192.
    11. Jie Chen & Jialin Chen & Shu Zhao & Yanping Zhang & Jie Tang, 2020. "Exploiting word embedding for heterogeneous topic model towards patent recommendation," Scientometrics, Springer;Akadémiai Kiadó, vol. 125(3), pages 2091-2108, December.
    12. Sam Arts & Lee Fleming, 2018. "Paradise of Novelty—Or Loss of Human Capital? Exploring New Fields and Inventive Output," Organization Science, INFORMS, vol. 29(6), pages 1074-1092, December.
    13. Parraguez, Pedro & Škec, Stanko & e Carmo, Duarte Oliveira & Maier, Anja, 2020. "Quantifying technological change as a combinatorial process," Technological Forecasting and Social Change, Elsevier, vol. 151(C).
    14. Cesare Righi & Timothy Simcoe, 2020. "Patenting Inventions or Inventing Patents? Strategic Use of Continuations at the USPTO," NBER Working Papers 27686, National Bureau of Economic Research, Inc.
    15. Changyong Lee & Gyumin Lee, 2019. "Technology opportunity analysis based on recombinant search: patent landscape analysis for idea generation," Scientometrics, Springer;Akadémiai Kiadó, vol. 121(2), pages 603-632, November.

    More about this item

    Keywords

    text mining; matching; patent; patent classification; technological similarity;

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