Note on a Heuristic Procedure to Identify the Most Valuable Chain of Patent Priority Network

Yu-Hsin Chang, Kuei-Kuei Lai (), Wen-Goang Yang and Ming-Chung Yang
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Yu-Hsin Chang: Department of Marketing and Logistics Management, Chaoyang University of Technology, 168 Jifeng E. Rd., Wufeng District, Taichung, 41349 Taiwan, Republic of China
Kuei-Kuei Lai: Department of Graduate Institute of Business Administration, Chaoyang University of Technology, 168 Jifeng E. Rd., Wufeng District, Taichung, 41349 Taiwan, Republic of China
Wen-Goang Yang: Department of Marketing and Logistics Management, Chaoyang University of Technology, 168 Jifeng E. Rd., Wufeng District, Taichung, 41349 Taiwan, Republic of China
Ming-Chung Yang: Department of Business Administration, National Chin-Yi University of Technology, No. 57, Sec. 2 Zhongshan Rd., Taiping District, Taichung, 41170 Taiwan, Republic of China

International Journal of Innovation and Technology Management (IJITM), 2015, vol. 12, issue 03, 1-17

Abstract: A patent portfolio is more valuable than a single patent. However, the analysis approach of a company's patent portfolio is still ambiguous. The patent priority approach (PPA) presented a clearer analysis method to explore the interior of a patent family; patent families provide an outline of the patent portfolio. A patent priority analysis (PPA) could give a better picture of the patent portfolio path, and provide technical tracks through the patent family priorities. This paper evaluates the patent family priority network (PFPN), by joining whole patent family members to PPA. The length and quantity of the patent chain represent the depth and width of the technical developments. Special nodes are also found. When the PFPN has any "merge patents", the GR of the patent chain would fail to choose the right critical chain. A burst patent node bursts one path into several paths. SSR fails to choose the correct significant chain with burst patent nodes. Although the number of priority patents claimed by each family member (GR) and the cumulative sum of the priority patents for the patent family member (SSR) fail in the special situations, PFPN still could provide a simple, precise and broadly useful approach for technical development.

Keywords: Patent family; patent priority; patent priority approach; critical chain; significant chain (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1142/S0219877015400027

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