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Do government-funded patents have higher quality than privately-funded patents?

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  • Jin-Uk Choi
  • Chang-Yang Lee

Abstract

This paper examines whether there exists a quality difference between government-funded and privately-funded patents. Furthermore, to the extent that there is a quality difference, this paper investigates under what conditions such a difference is particularly more pronounced. Using a unique dataset of Korean manufacturing firms during the period of 2006-2010 that provides project-level information on public R&D subsidies, we find the following. First, for the pooled sample of patents, there exists a quality difference between government-funded and privately-funded patents. Overall, the quality of government-funded patents is higher than that of privately-funded ones. Second, within each firm, quality differences between government-funded and privately-funded patents are more likely to be positive for large firms than small ones. Third, within-firm quality differences between government-funded and privately-funded patents are more likely to be positive for firms with a large technological knowledge base, particularly when they perform more exploratory, rather than exploitative, R&D projects with public R&D subsidies.

Suggested Citation

  • Jin-Uk Choi & Chang-Yang Lee, 2023. "Do government-funded patents have higher quality than privately-funded patents?," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 32(4), pages 537-562, May.
    • Handle: RePEc:taf:ecinnt:v:32:y:2023:i:4:p:537-562
    DOI: 10.1080/10438599.2021.1967151
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