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EP2811042

KABUSHIKI KAISHA KOBE SEIKO SHO
Application Number
EP13744215A
Filing Date
Jan 10, 2013
Status
Revoked
Feb 3, 2023
Grant Date
Jun 21, 2017
External Links
Slate, Register, Google Patents
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Biblio Summary

The patent EP2811042B1 was granted on Jun 21, 2017 by Kabushiki Kaisha Kobe Seiko SHO The patent is currently Revoked.

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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BHARAT FORGE ALUMINIUMTECHNIKMar 21, 2018ADMISSIBLE
OTTO FUCHSMar 21, 2018ADMISSIBLE
C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM SINGENMar 20, 2018ADMISSIBLE

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
OppositionJPH09249951
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OppositionJPH07145440
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OppositionUS5240519
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OppositionJP2011225988
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OppositionJP2000144296
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OppositionEP0987344
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OppositionJP2007009273
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OppositionJP2002294383
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OppositionUS2010089503
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OppositionJP2004292937
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OppositionUS2009000705
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OppositionJP3766357B
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OppositionJP2004043907
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OppositionEP2003219
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OppositionJP2004084058
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OppositionJP2006274415
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OppositionJP2003277868
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OppositionJP2004315938
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OppositionJPH08232051
N/A

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.