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Compostable Cellulose-Based Paper For Gas Barrier In Packaging Material - EP4219827
The patent EP4219827 was granted to Ahlstrom OYJ on Oct 30, 2024. The application was originally filed on Nov 7, 2019 under application number EP23157250A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
EP4219827
- Application Number
- EP23157250A
- Filing Date
- Nov 7, 2019
- Status
- Granted And Under Opposition
- Sep 27, 2024
- Publication Date
- Oct 30, 2024
- External Links
- Slate, Register, Google Patents
Patent Summary
Patent Family
Patent Oppositions
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.
Patent Citations (8) New
Patent citations refer to prior patents cited during different phases such as opposition or international search.
Dossier Documents
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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