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Capturing and Tracking Performance of Patent Portfolio Using h -Complement Area Centroid

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3 Author(s)
Chung-Huei Kuan ; Grad. Inst. of Patent, Nat. Taiwan Univ. of Sci. & Technol., Taipei, Taiwan ; Mu-Hsuan Huang ; Dar-Zen Chen

Assuming that only the bibliometric information contained in patent databases is available and that the citations received by a patent indicate the patent's value or quality, we propose to characterize the performance of a patent assignee's patent portfolio, in terms of both the quantity and quality of its cited and uncited patents, by the centroid of a so-called h-complement area from the assignee's citation distribution. This approach is capable of producing a snapshot to a large number of assignees' portfolio performance by simultaneously depicting their h-complement area centroids in a 2-D graph. With this 2-D view, these assignees' relative performance, where the performance difference lies, and the degree of such difference can also be quickly determined. In addition, a trajectory manifesting the evolution of an assignee's portfolio performance over a window of time can be obtained by connecting the h-complement area centroids at successive epochs within the time window. The pattern revealed by the trajectory provides significant insight into how the assignee's portfolio performance has varied over time. When there is some abrupt pattern change, an analyst should be alarmed to conduct further investigation. A steady pattern, on the other hand, allows forecast to the assignee's future performance.

Published in:

Engineering Management, IEEE Transactions on  (Volume:60 ,  Issue: 3 )

Date of Publication:

Aug. 2013

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