The Use and Misuse of Patent Data: Issues for Corporate Finance and Beyond

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The Impact of Trade Liberalization on Firm Productivity and Innovation (2018, unknown): “For a discussion of the issues and best practices of using patents to measure firm innovation, see Lerner and Seru (2017).”
How does hedge fund activism reshape corporate innovation? (2016, methodology): “The opposite is also plausible since agency problems may lead to under-investment: shareholders may 2 See Brav, Jiang, Partnoy, and Thomas (2008), Clifford (2008), Klein and Zur (2009), Greenwood and Schor (2009), and Krishnan, Partnoy and Thomas (2015) for U.S. companies; and Becht, Franks, Mayer, ”
Stock market liberalization and innovation (2021, background): “Finally, as industrial patenting activities increase over time in response to strengthened patent rights and national policies that encourage patenting activities (Lerner and Seru, 2017), our results could merely reflect such an upward time trend in certain countries.”
Patent citation data in social science research: Overview and best practices (2017, unknown): “Other authors have previously discussed the use of patent statistics in social science research (e.g., Griliches, 1990; Lerner & Seru, 2015), and Gay and Le Bas (2005) provide a brief overview of the use of patent citations to measure invention value and knowledge flows.”