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That’s classified! Inventing a new patent taxonomy
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  • Stephen D Billington
  • Alan J Hanna
Abstract
Innovation researchers currently make use of various patent classification schemas, which are hard to replicate. Using machine learning techniques, we construct a transparent, replicable and adaptable patent taxonomy, and a new automated methodology for classifying patents. We contrast our new schema with existing ones using a long-run historical patent dataset. We find quantitative analyses of patent characteristics are sensitive to the choice of classification; our interpretation of regression coefficients is schema dependent. We suggest much of the innovation literature should be carefully interpreted in light of our findings.

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  • Stephen D Billington & Alan J Hanna, 2021. "That’s classified! Inventing a new patent taxonomy [Text matching to measure patent similarity]," Industrial and Corporate Change, Oxford University Press and the Associazione ICC, vol. 30(3), pages 678-705.
    • Handle: RePEc:oup:indcch:v:30:y:2021:i:3:p:678-705.
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    File URL: http://hdl.handle.net/10.1093/icc/dtaa049
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    Cited by:

    1. Billington, Stephen D., 2018. ""War, what is it good for?": The industrial revolution!," QUCEH Working Paper Series 2018-12, Queen's University Belfast, Queen's University Centre for Economic History.
    2. Billington, Stephen D., 2018. "Patent costs and the value of inventions: Explaining patenting behaviour between England, Ireland and Scotland, 1617-1852," QUCEH Working Paper Series 2018-10, Queen's University Belfast, Queen's University Centre for Economic History.

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    More about this item

    JEL classification:

    • K11 - Law and Economics - - Basic Areas of Law - - - Property Law
    • N24 - Economic History - - Financial Markets and Institutions - - - Europe: 1913-
    • N74 - Economic History - - Economic History: Transport, International and Domestic Trade, Energy, and Other Services - - - Europe: 1913-
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes

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