EP2558435

LEO PHARMA
Application Number
EP11731076A
Filing Date
Apr 18, 2011
Status
Revoked
Jun 14, 2019
Grant Date
Jun 7, 2017
External Links
Slate, Register, Google Patents
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Biblio Summary

The patent EP2558435B1 was granted on Jun 7, 2017 by LEO Pharma 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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GENERICS UKMar 7, 2018ADMISSIBLE
TEVA PHARMACEUTICAL INDUSTRIESMar 7, 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
OppositionWO2007059584
N/A
OppositionWO2008131491
N/A
OppositionWO2007053912
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.