The Dynamics of the Transfer and Renewal of Patents

By Carlos J. Serrano. 2008

336 citations recorded by the source corpus.

Subfields: Economics and Econometrics, Management of Technology and Innovation

View Paper: https://www.semanticscholar.org/paper/957d0c6405626363db6083246864a3fe2b37769f

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In Economics and Econometrics

In Management of Technology and Innovation

Citations in the corpus

Agglomeration and Innovation (2014, neutral): “Serrano (2010) calculates that 78 percent of U.S. patents granted during 1983 to 2001 were not renewed, indicating that most patents are of low value.”
Innovation Activities and Integration through Vertical Acquisitions (2019, methodology): “We follow Serrano (2010) and Bowen (2016) and use the USPTO Patent Assignment Database (PAD) to compute the annual fraction of public firms’ existing patents that are sold or licensed to other public firms between 1996 and 2013, and we average this rate over each firm’s industry.35 Second, we focus…”
Buy, Keep or Sell: Economic Growth and the Market for Ideas (2016, neutral): “On the empirical side, the data employed here were first used by Serrano (2010, 2015).”
Patent collateral, investor commitment, and the market for venture lending (2018, neutral): “The remainder of this section describes our “patenting startup” sample 8 Serrano (2010) reports that about 13.5 percent of all U.S. patents issued between 1983 and 2001 were traded at least once prior to expiration, with higher trade rates for small companies and more important (highly-cited)…”
Patents and Cumulative Innovation: Causal Evidence from the Courts* (2015, neutral): “…effect in the overall sample, because roughly 50 percent of the citing entities are small firms in our 28 In classifying firms, we do not correct for changes in patent ownership because more than 65 percent of our patents do not belong to the re-assignment dataset constructed by Serrano (2010).”
The Real Effects of Lending Relationships on Innovative Firms and Inventor Mobility (2017, positive): “Finally, our work is related to the literature on how innovative firms react to the economic environment depending on their size (Serrano 2010; Galasso and Schankerman 2015a, 2015b) and how the allocation of innovative labor between small and large firms determines the pace and direction of technolo”
How does hedge fund activism reshape corporate innovation? (2016, methodology): “We then follow a procedure, similar to that in Serrano (2010), Akcigit, Celik, and 7 We winsorize firms’ financial data at the 1% extremes.”
Patent Value and Citations: Creative Destruction or Strategic Disruption? (2013, result): “Serrano (2010) determined the average private value of a patent right to be $90,799 and the median $19,184, which exhibits a similar mean-to-median ratio as our data.”