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IP Verse

E Ink competitive analysis

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Explore patent oppositions filed by E Ink against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Nov 13, 2025

Patent Number	Title	Applicant	Opposition Date
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EP3121628	Electronic Paper Display Screen Light Guide Plate And Electronic Paper Display Screen	GUANGZHOU OED	Mar 2, 2022
EP3521917	Electronic Ink Display Screen And Manufacturing Method	WUXI VISION PEAK TECHNOLOGY	Dec 3, 2021

Discover the latest PTAB cases involving E Ink, highlighting their recent legal challenges and patent disputes.

Last updated on: Nov 17, 2025

Proceeding Number	Filing Date	Petitioner	Respondent	Status
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IPR2014-00422	Feb 10, 2014	E INK	RESEARCH FRONTIERS INCORPORATED	Institution Denied

IP litigation analysis comparing E Ink with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Nov 13, 2025

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
E INK	2	-	1	-
GUANGZHOU OED	-	1	-	-
RESEARCH FRONTIERS INCORPORATED	-	-	-	1
WUXI VISION PEAK TECHNOLOGY	-	1	-	-