Lovely but dangerous: The impact of patent citations on patent renewal

Per Botolf Maurseth

Economics of Innovation and New Technology, 2005, vol. 14, issue 5, 351-374

Abstract: What is the impact of patent citations on patent renewal behaviour? Patent citations are commonly used as an indicator of technology spillovers. For cited patents, therefore, patent citations have a potentially ambiguous impact. On the one hand, patent citations may indicate a scientific breakthrough, a high value of the cited patent and therefore a long survival period. On the other hand, patent citations may indicate competing innovations that render the cited patent obsolete. By discriminating patents by technology field, it is demonstrated that patents that receive citations across technology fields survive longer than other patents. Patents that receive citations within the same technology field lapse earlier.

Keywords: Technology spillovers; Patent data; Patent renewal data; Patent citations (search for similar items in EconPapers)
Date: 2005
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Citations: View citations in EconPapers (32)

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DOI: 10.1080/1043859042000307338

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