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Keywords: Patent renewals
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Journal Articles
Using the patent term changes in assessing the evolution of patent valuation from filing to maturity
European Journal of Innovation Management (2016) 19 (4): 528–546.
Published: 10 October 2016
... that pharmaceutical and chemical patents are not the most valuable ones. For instance, Schankerman (1998) using French patent renewal data and employing a renewal options model found that mechanical and electronics patents are more valuable than Pharmaceutical and Chemical patents. Bessen (2008) found that US...
