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IP Verse

Jinkosolar competitive analysis

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

Last updated on: Dec 25, 2025

Patent Number	Title	Applicant	Opposition Date
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EP2220689	Method For Manufacturing A Solar Cell With A Surface-Passivating Dielectric Double Layer, And Corresponding Solar Cell	HANWHA Q CELLS	Jun 24, 2019

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

Last updated on: Dec 24, 2025

Proceeding Number	Filing Date	Petitioner	Respondent	Status
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IPR2025-01130	Jul 18, 2025	JINKOSOLAR HOLDING	FIRST SOLAR	Discretionary Denial
IPR2025-00859	Apr 18, 2025	JINKOSOLAR	LONGI GREEN ENERGY TECHNOLOGY	Discretionary Denial

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

Last updated on: Dec 25, 2025

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
JINKOSOLAR	1	-	1	-
HANWHA Q CELLS	-	10	-	-
HANWHA Q CELLS & ADVANCED MATERIALS	-	10	-	3
HANWHA SOLUTIONS	1	10	5	-