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R&D investment and patent renewal decisions

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  • Jou, Jyh-Bang

Abstract

This study employs the real options model to investigate how uncertainty in patent rewards and the chance of success of the R&D investment affect a firm’s likelihood to renew a patent. The firm chooses the date on which to undertake an R&D investment project that offers it a chance of developing an innovation, which is immediately patented and commercialized. Thereafter, the firm must pay periodic renewal fees to keep the patent alive. This paper finds that greater uncertainty does not lead to a universal effect on the renewal probability. When there is no uncertainty, the firm will always renew the patent before a certain date but will never renew it after that date. When there is uncertainty, the renewal probability will decline smoothly over time toward the expiration date. This paper also finds that a firm that is more likely to be successful in its R&D investment is more likely to renew its patent right.

Suggested Citation

  • Jou, Jyh-Bang, 2018. "R&D investment and patent renewal decisions," The Quarterly Review of Economics and Finance, Elsevier, vol. 69(C), pages 144-154.
    • Handle: RePEc:eee:quaeco:v:69:y:2018:i:c:p:144-154
    DOI: 10.1016/j.qref.2017.12.005
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    References listed on IDEAS

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    More about this item

    Keywords

    Patent renewal; R&D investment; Real options; Renewal fees; Uncertainty;
    All these keywords.

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing
    • 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

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