IP Verse

Method For Manufacturing A Solar Cell With A Surface-Passivating Dielectric Double Layer, And Corresponding Solar Cell

EP2220689

HANWHA Q CELLS
Application Number
EP08850615A
Filing Date
Nov 6, 2008
Status
Granted And Under Opposition
Grant Date
Aug 27, 2014
External Links
Slate, Register, Google Patents

Biblio Summary

The patent EP2220689B1 was granted on Aug 27, 2014 by Hanwha Q Cells The patent is currently Granted And Under Opposition.

Patent Oppositions filed by Competitors

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateOpposition Status

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RISEN ENERGYJun 18, 2024INTERVENTION
LONGI NETHERLANDS TRADINGJun 17, 2021INTERVENTION WITHDRAWN
LONGI SOLAR TECHNOLOGIEJul 2, 2019INTERVENTION WITHDRAWN
JINKOSOLARJun 24, 2019INTERVENTION WITHDRAWN
REC SOLAR EMEAJun 14, 2019INTERVENTION ADMISSIBLE
SINGULUSMay 27, 2015ADMISSIBLE
SOLAYTECMay 27, 2015ADMISSIBLE
BITTNERMay 27, 2015WITHDRAWN
HEPP WENGER RYFFELMay 27, 2015WITHDRAWN
IMEC VZWMay 26, 2015WITHDRAWN

Patents Cited during Opposition New

Patent citations in opposition refer to prior patents or publications that may challenge the validity of a contested patent. These references help assess whether the invention is truly novel or overlaps with existing intellectual property.

Citation PhasePatent NumberPatent LinkCited Text
OppositionWO2006097303
 N/A
OppositionEP1763086
 N/A
OppositionWO2008065918
 N/A
OppositionUS4463216
 N/A
OppositionUS4649088
 N/A
OppositionUS5057163
 N/A
OppositionUS2004112426
 N/A
OppositionUS2005112874
 N/A
OppositionUS6930052
 N/A
OppositionUS2005260347
 N/A
OppositionUS2006010972
 N/A
OppositionWO2006096247
 N/A
OppositionJP2007134424
 N/A
OppositionUS2006237809
 N/A

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Dossier Documents of the Patent

The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.

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