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EP2688977

SASOL GERMANY
Application Number
EP12711345A
Filing Date
Mar 23, 2012
Status
Patent Maintained As Amended
May 1, 2020
Grant Date
Jun 3, 2020
External Links
Slate, Register, Google Patents

Biblio Summary

The patent EP2688977B2 was granted on Jun 3, 2020 by Sasol Germany The patent is currently Patent Maintained As Amended.

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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BASFJul 30, 2018WITHDRAWN

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
OppositionEP0003183
N/A
OppositionEP0024711
N/A
OppositionEP0052801
N/A
OppositionUS4411815
N/A
OppositionUS4483787
N/A
OppositionEP0167337
N/A
OppositionGB2168095
N/A
OppositionJPH0734089
N/A
OppositionUS6222077
N/A
OppositionWO2009100301
N/A
OppositionWO2009100298
N/A
OppositionWO2011045254
N/A
OppositionUS3843706
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.