Extreme citing behaviors in patents: When the duty of candor backfires

This paper analyses extreme citers: patents that cite an extremely high number of references to prior art. We find that around 17,000 patents, 0.04% of the total, contribute over 20 million references, 5% of the total. Extreme citers are a relatively new phenomenon, but they are becoming increasingl...

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Bibliographic Details
Published in:	World patent information Vol. 79; p. 102317
Main Authors:	Tur, Elena M., Pasimeni, Francesco
Format:	Journal Article
Language:	English
Published:	Elsevier Ltd 01-12-2024
Subjects:	Backwards citation Citation network Information Systems, Social aspects Knowledge flow Patent citation Patent value Systemvetenskap, informationssystem och informatik med samhällsvetenskaplig inriktning Backwards citation Knowledge flow Patent citation Citation network Patent value
Online Access:	Get full text
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Summary:	This paper analyses extreme citers: patents that cite an extremely high number of references to prior art. We find that around 17,000 patents, 0.04% of the total, contribute over 20 million references, 5% of the total. Extreme citers are a relatively new phenomenon, but they are becoming increasingly popular. They seem to be coming from a few applicants, notably Ethicon and Apple. We recommend researchers to carefully consider citations from extreme citers in their patent citation analyses.
ISSN:	0172-2190 1874-690X
DOI:	10.1016/j.wpi.2024.102317