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Categorical coherence, classification volatility and examiner-added citations

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  • Tan, David
  • Roberts, Peter W.

Abstract

Patent applicants and examiners do not always have the same views about what constitutes a patent's relevant prior art. We propose that the processes of categorization and classification variably shape the interface between applicants and examiners by influencing assessments of similarity between new and existing technologies. Some inventions sit in technological domains that cut across the categorical boundaries implied by examiners' patterns of specialization. Some sit in domains wherein the classification system that guides examiner searches is more volatile. In either of these circumstances, heightened ambiguity leads to more examiner-added citations on patents that are granted. We test and confirm our predictions in a sample of patents granted to semiconductor firms in 2005.

Suggested Citation

  • Tan, David & Roberts, Peter W., 2010. "Categorical coherence, classification volatility and examiner-added citations," Research Policy, Elsevier, vol. 39(1), pages 89-102, February.
    • Handle: RePEc:eee:respol:v:39:y:2010:i:1:p:89-102
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    References listed on IDEAS

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    Cited by:

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    2. Julie Callaert & Maikel Pellens & Bart Looy, 2014. "Sources of inspiration? Making sense of scientific references in patents," Scientometrics, Springer;Akadémiai Kiadó, vol. 98(3), pages 1617-1629, March.
    3. Anne Bowers, 2015. "Relative Comparison and Category Membership: The Case of Equity Analysts," Organization Science, INFORMS, vol. 26(2), pages 571-583, April.
    4. Zhu, Kejia & Malhotra, Shavin & Li, Yaohan, 2022. "Technological diversity of patent applications and decision pendency," Research Policy, Elsevier, vol. 51(1).
    5. Inchae Park & Yujin Jeong & Byungun Yoon, 2017. "Analyzing the value of technology based on the differences of patent citations between applicants and examiners," Scientometrics, Springer;Akadémiai Kiadó, vol. 111(2), pages 665-691, May.
    6. Sarah Kaplan & Keyvan Vakili, 2015. "The double-edged sword of recombination in breakthrough innovation," Strategic Management Journal, Wiley Blackwell, vol. 36(10), pages 1435-1457, October.
    7. Lo, Jade Y. & Li, Haiyang, 2018. "In the eyes of the beholder: The effect of participant diversity on perceived merits of collaborative innovations," Research Policy, Elsevier, vol. 47(7), pages 1229-1242.

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