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The value of Chinese patents: An empirical investigation of citation lags

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  • Fisch, Christian
  • Sandner, Philipp
  • Regner, Lukas

Abstract

China has been experiencing a substantial growth in patent applications. But is this increase accompanied by a similar increase in patent value? To assess this question, we examine the citation lag of Chinese patents as a proxy of patent value in comparison with patents from the US, Europe, Japan, and Korea. Our empirical analysis comprises a unique data set of 60,000 patents with priority years between 2000 and 2010. Utilizing Cox regressions, our results show that Chinese patents suffer from a large citation lag in comparison to international patents, indicating a lower value. This is especially true for patents filed domestically. However, we find empirical support for an increasing patent value in more recent patents. China shows a strong dynamic in the field of patenting and our results suggest that the gap between Chinese patents and international patents might narrow down in the near future.

Suggested Citation

  • Fisch, Christian & Sandner, Philipp & Regner, Lukas, 2017. "The value of Chinese patents: An empirical investigation of citation lags," China Economic Review, Elsevier, vol. 45(C), pages 22-34.
    • Handle: RePEc:eee:chieco:v:45:y:2017:i:c:p:22-34
    DOI: 10.1016/j.chieco.2017.05.011
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    Cited by:

    1. Giorgio Prodi & Federico Frattini & Francesco Nicolli, 2018. "The diffusion and embeddedness of innovative activities in China," Economia Politica: Journal of Analytical and Institutional Economics, Springer;Fondazione Edison, vol. 35(1), pages 71-106, April.
    2. Christian Fisch & Jörn Block & Philipp Sandner, 2019. "The impact of acquisitions on Chinese acquirers’ innovation performance: an empirical investigation of 1545 Chinese acquisitions," Journal of Business Economics, Springer, vol. 89(2), pages 125-153, March.
    3. Meng, Qiaoyu & Li, Yi & Cao, Qinwei, 2024. "The paradox analysis and functional mechanism between R&D efficiency and transformation effect: Evidence from key universities in China," Technovation, Elsevier, vol. 130(C).
    4. Shanshan Liu & Yugang Li, 2024. "Exploration or Exploitation? Corporate Green Innovation Strategy for Carbon Emission Reduction-Evidence from Pilot Enterprises in China," Sustainability, MDPI, vol. 16(11), pages 1-21, May.
    5. Hu, Jiangfeng & Pan, Xinxin & Huang, Qinghua, 2020. "Quantity or quality? The impacts of environmental regulation on firms’ innovation–Quasi-natural experiment based on China's carbon emissions trading pilot," Technological Forecasting and Social Change, Elsevier, vol. 158(C).
    6. Song, Haoyang & Hou, Jianhua & Zhang, Yang, 2023. "The measurements and determinants of patent technological value: Lifetime, strength, breadth, and dispersion from the technology diffusion perspective," Journal of Informetrics, Elsevier, vol. 17(1).
    7. Peizhu Xin & Min Zhao & Yang Bai, 2022. "Does the Belt and Road Initiative Promote Green Innovation Quality? Evidence from Chinese Cities," Sustainability, MDPI, vol. 14(10), pages 1-19, May.
    8. Haoyang Song & Jianhua Hou & Yang Zhang, 2022. "Patent protection: does it promote or inhibit the patented technological knowledge diffusion?," Scientometrics, Springer;Akadémiai Kiadó, vol. 127(5), pages 2351-2379, May.
    9. Wu, Howei & Lin, Jia & Wu, Ho-Mou, 2022. "Investigating the real effect of China’s patent surge: New evidence from firm-level patent quality data," Journal of Economic Behavior & Organization, Elsevier, vol. 204(C), pages 422-442.
    10. Xue Yang & Hao Zhang & Die Hu & Bingde Wu, 2023. "The timing dilemma: understanding the determinants of innovative startups’ patent collateralization for loans," Small Business Economics, Springer, vol. 60(1), pages 371-403, January.
    11. Hu, Zewen & Zhou, Xiji & Lin, Angela, 2023. "Evaluation and identification of potential high-value patents in the field of integrated circuits using a multidimensional patent indicators pre-screening strategy and machine learning approaches," Journal of Informetrics, Elsevier, vol. 17(2).
    12. Xu, Yong & Ji, Junzhe & Li, Nicolas & Borah, Dhruba, 2024. "How do executive excess compensation affect enterprise technological innovation: Evidence from a panel threshold model of chinese biopharmaceutical companies," Journal of Business Research, Elsevier, vol. 179(C).
    13. Park, Jinho & Choi, Byungchul & Huang, Wei, 2023. "Innovation under debtor-friendly institutional policy: Strategic patenting perspective of Chinese listed firms," International Review of Financial Analysis, Elsevier, vol. 89(C).
    14. Lin, Jia & Wu, Ho-Mou & Wu, Howei, 2021. "Could government lead the way? Evaluation of China's patent subsidy policy on patent quality," China Economic Review, Elsevier, vol. 69(C).
    15. Zhang, Tianyu, 2022. "Independent directors and patenting strategies: Evidence from China," International Review of Financial Analysis, Elsevier, vol. 81(C).
    16. Cheng, Lei & Sun, Zhen, 2021. "The white elephant in IP management market frictions, market connections and escalation of commitment," China Economic Review, Elsevier, vol. 67(C).
    17. Kaidong Feng & Ziying Jiang, 2021. "State Capacity and Innovation Policy Performance: A Comparative Study on Two Types of Innovation Projects in China," Review of Policy Research, Policy Studies Organization, vol. 38(4), pages 427-453, July.
    18. Piao, Zhefan & Miao, Binbin & Zheng, Zihan & Xu, Feng, 2022. "Technological innovation efficiency and its impact factors: An investigation of China's listed energy companies," Energy Economics, Elsevier, vol. 112(C).
    19. Rosa Maria Arnaldo Valdés & Serhat Burmaoglu & Vincenzo Tucci & Luiz Manuel Braga da Costa Campos & Lucia Mattera & Víctor Fernando Gomez Comendador, 2019. "Flight Path 2050 and ACARE Goals for Maintaining and Extending Industrial Leadership in Aviation: A Map of the Aviation Technology Space," Sustainability, MDPI, vol. 11(7), pages 1-24, April.
    20. Marusaki, Koji & Nakai, Kensei & Kataoka, Shotaro & Kawano, Seiya & Hentona, Asahi & Sakumoto, Takeshi & Yamamoto, Yuta & Mori, Kaede & Nonaka, Hirofumi, 2024. "A study on patent term prediction by survival time analysis using neural hazard model," Technological Forecasting and Social Change, Elsevier, vol. 203(C).
    21. Liu, Shiyuan & Du, Jiang & Zhang, Weike & Tian, Xiaoli & Kou, Gang, 2021. "Innovation quantity or quality? The role of political connections," Emerging Markets Review, Elsevier, vol. 48(C).
    22. von Laer, Maximilian & Blind, Knut & Ramel, Florian, 2022. "Standard essential patents and global ICT value chains with a focus on the catching-up of China," Telecommunications Policy, Elsevier, vol. 46(2).
    23. Jungpyo Lee & So Young Sohn, 2017. "What makes the first forward citation of a patent occur earlier?," Scientometrics, Springer;Akadémiai Kiadó, vol. 113(1), pages 279-298, October.

    More about this item

    Keywords

    Patents; China; Innovation; Patent value; Citation lag; Catch-up;
    All these keywords.

    JEL classification:

    • C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data; Spatio-temporal Models
    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital
    • O53 - Economic Development, Innovation, Technological Change, and Growth - - Economywide Country Studies - - - Asia including Middle East

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