Zipf's law applications in patent landscape analysis

Abstract

New business insights are shown to be extractable from patent landscapes by the mathematical method of discrete Pareto analysis. By applying to patent publication distributions, a method analogous to that proposed by the linguist George Kingsley Zipf, metrics and methods of visualization are introduced which quantify scale, dominance and consolidation of a patent landscape. The key results of the method are illustrated in the Zipf plot of assignee patent publication count versus assignee rank for the lithography patent landscape shown below.

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