The patent EP2746375B1 was granted to Chemische Fabrik DR Weigert on Jul 28, 2021 following the initial filing on Dec 20, 2012 under the application number EP12198630A . The current legal status of the patent is 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.
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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