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The market value of blocking patent citations

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  • Czarnitzki, Dirk
  • Hussinger, Katrin
  • Leten, Bart

Abstract

There is a growing literature that aims at assessing the private value of knowledge assets and patents. It has been shown that patents and their quality as measured by citations received by future patents contribute significantly to the market value of firms beyond their R&D stocks. This paper goes one step further and distinguishes between different types of forward citations patents can receive at the European Patent Office. While a patent can be cited as non-infringing state of the art, it can also be cited because it threatens the novelty of patent applications ('blocking citations'). Empirical results from a market value model for a sample of large, R&D-intensive U.S., European and Japanese firms show that patents frequently cited as blocking references have a higher economic value for their owners than patents cited for nonblocking reasons. This finding adds to the patent value literature by showing that different types of patent citations carry different information on the economic value of patents. The result further suggests that the total number of forward citations can be an imprecise measure of patent value.

Suggested Citation

  • Czarnitzki, Dirk & Hussinger, Katrin & Leten, Bart, 2011. "The market value of blocking patent citations," ZEW Discussion Papers 11-021, ZEW - Leibniz Centre for European Economic Research.
    • Handle: RePEc:zbw:zewdip:11021
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    References listed on IDEAS

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    1. Malva, Antonio Della & Hussinger, Katrin, 2012. "Corporate science in the patent system: An analysis of the semiconductor technology," Journal of Economic Behavior & Organization, Elsevier, vol. 84(1), pages 118-135.
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    Cited by:

    1. Hussinger, Katrin & Schwiebacher, Franz, 2013. "The value of disclosing IPR to open standard setting organizations," ZEW Discussion Papers 13-060, ZEW - Leibniz Centre for European Economic Research.
    2. JinHyo Joseph Yun & EuiSeob Jeong & ChangHwan Lee & JinSeu Park & Xiaofei Zhao, 2017. "Effect of Distance on Open Innovation: Differences among Institutions According to Patent Citation and Reference," Sustainability, MDPI, vol. 9(8), pages 1-15, August.
    3. Christoph Grimpe & Katrin Hussinger, 2014. "Resource complementarity and value capture in firm acquisitions: The role of intellectual property rights," Strategic Management Journal, Wiley Blackwell, vol. 35(12), pages 1762-1780, December.
    4. Neus Palomeras & David Wehrheim, 2021. "The strategic allocation of inventors to R&D collaborations," Strategic Management Journal, Wiley Blackwell, vol. 42(1), pages 144-169, January.
    5. Bekkers, Rudi & Martinelli, Arianna & Tamagni, Federico, 2020. "The impact of including standards-related documentation in patent prior art: Evidence from an EPO policy change," Research Policy, Elsevier, vol. 49(7).
    6. Talya Ponchek, 2016. "To Collaborate or Not to Collaborate? A Study of the Value of Innovation from a Sectoral Perspective," Journal of the Knowledge Economy, Springer;Portland International Center for Management of Engineering and Technology (PICMET), vol. 7(1), pages 43-79, March.
    7. Belderbos, Rene & Faems, Dries & Leten, Bart & Van Looy, Bart, 2009. "Technological activities and their impact on the financial performance of the firm: Exploitation and exploration within and between firms," MERIT Working Papers 2009-067, United Nations University - Maastricht Economic and Social Research Institute on Innovation and Technology (MERIT).
    8. Kang, Byeongwoo & Bekkers, Rudi, 2022. "The determinants of parallel invention : Measuring the role of information sharing and personal interaction between inventors," IIR Working Paper 22-06, Institute of Innovation Research, Hitotsubashi University.
    9. Jinhyo Joseph Yun & EuiSeob Jeong & YoungKyu Lee & KyungHun Kim, 2018. "The Effect of Open Innovation on Technology Value and Technology Transfer: A Comparative Analysis of the Automotive, Robotics, and Aviation Industries of Korea," Sustainability, MDPI, vol. 10(7), pages 1-16, July.
    10. Li, Shi & Ang, James S. & Wu, Chaopeng & Yang, Shijie, 2021. "Valuing technological synergies in mergers," The North American Journal of Economics and Finance, Elsevier, vol. 58(C).

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    More about this item

    Keywords

    Market Value; Patents; Citations; Patent Value;
    All these keywords.

    JEL classification:

    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital
    • O38 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Government Policy

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