Diffusion, convergence and influence of pharmaceutical innovations: a comparative study of Chinese and U.S. patents

Globalization and Health
Qiaolei Jiang, Chunjuan Luan

Abstract

Despite the significant impact of pharmaceutical innovations on healthcare, our understanding is still limited because previous studies explored only a few cases and largely came from a linear perspective. This study presents a detailed case of the Chinese and U.S. pharmaceutical patents and investigated advancements that the global pharmaceutical industry is experiencing. A network analysis approach was used to identify certain aspects regarding the diffusion of pharmaceutical innovations, including innovation attributes, adopter characteristics, and clustering. Based on a patent database, network analysis and visualization, this study captured the structure of patent networks for the global pharmaceutical landscape in a large set of patents. A large volume of patent data, 15,422 patent filings citing Chinese pharmaceutical patents, 28,075 citing U.S. patents, and 6064 citing both Chinese and U.S. patents during 2014-2015, were retrieved from the world patent database, Derwent Innovation Index. The networks reveal many interesting features of technological innovation, convergence trends and diffusion patterns. Convergence innovations were identified, with the advantage and influence of U.S. patents shown in a variety of areas,...Continue Reading

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Citations

Oct 16, 2019·Pharmaceutical Patent Analyst·Christian MoserHeinz Mueller

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