As global trade and business activities intensified, cross-national patenting activities have been playing an increasingly important role in the process of innovation accumulation and growth. However, few studies (to my knowledge) have examined the characteristics of cross-national patents and their relationship to the accumulation and growth of innovation, especially in the context of a developing versus a developed country.
Motivated by the anecdotal evidence and ‘Patent Signaling Theory’ (Spence, 1973), I investigate the possible influential factors on the ‘quality’ of a US patent with a Chinese priority1 (thereafter ‘US-CN’ patent) and their impact on the growth of follow-on innovation. By developing and analyzing a unique dataset of 4490 U.S. and Chinese patent matched pair from both U.S. Patent and Trademark Office (USPTO) and State Intellectual Property Office (SIPO), this study investigates the impact of patent strength, patent scope, cross-national inventors, multinational assignees and strength of intellectual property rights (IPR) regime on the growth of innovation in the U.S. The data set consists of patents that are first filed in China, a developing country with uncertain IPR, and subsequently filed and patented in the U.S., a developed country with a mature economy and strong IPR protection.
I employ the negative binomial regression model and find that the number of patent claims, patent classes, cross-national inventors and of multinational assignees have a significant and positive impact on the forward citations 2 of the focal patents. I also find that developing a patented innovation under a strong IPR regime does not necessarily increase its follow-on use and innovations as proxied by its forward citations. This work has significant management implications for firm strategies and technology competitiveness especially domestic firms and multinational corporations with activities across national boundaries.
1In patent, a priority right or right of priority is a time-limited right, triggered by the first filing of an application for a patent. The priority right belongs to the applicant or his successor in title and allows him to file a subsequent application in another country for the same invention, design or trademark and benefit, for this subsequent application, from the date of filing of the first application for the examination of certain requirements. When filing the subsequent application, the applicant must "claim the priority" of the first application in order to make use of the right of priority. 2A citation is a reference to a published or unpublished source. The backward citations of a patent identify its antecedents (original patent which it builts upon) and the forward citations identify the subsequent patents which builts upon it. Forward citations link the relationship between an original patent and subsequent technological developments which build upon it (i.e. its descendants)
|Advisor:||Huang, Guang-Lih Kenneth|
|School:||Singapore Management University (Singapore)|
|Department:||Lee Kong Chian School of Business|
|School Location:||Republic of Singapore|
|Source:||MAI 48/06M, Masters Abstracts International|
|Subjects:||Management, Intellectual Property|
|Keywords:||China, Cross-national patent, Innovation, Intellectual property rights, Research and development|
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