EP3899136
- Application Number
- EP19727444A
- Filing Date
- May 22, 2019
- Status
- Granted And Under Opposition
- Nov 18, 2022
- Grant Date
- Dec 21, 2022
- External Links
- Slate, Register, Google Patents
- Similar Patents facing opposition
Bibliography
The patent EP3899136B1 was granted to Kemira OYJ on Dec 21, 2022 following the initial filing on May 22, 2019 under the application number EP19727444A . The current legal status of the patent is Granted And Under Opposition.
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Patent Oppositions (2)
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.
Dossier Documents
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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