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EP2742803

ARCH CHEMICALS
Application Number
EP14150293A
Filing Date
May 25, 2007
Status
Opposition Rejected
Mar 22, 2024
Grant Date
May 1, 2019
External Links
Slate, Register, Google Patents
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Biblio Summary

The patent EP2742803B1 was granted on May 1, 2019 by Arch Chemicals The patent is currently Opposition Rejected.

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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PPG INDUSTRIESJan 31, 2020ADMISSIBLE

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
OppositionWO9965315
N/A
OppositionUS4031055
N/A
OppositionUS6528556
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.