Cellulose Fibers
Patent No. EP4219808 (titled "Cellulose Fibers") was filed by Circulose on Dec 5, 2017. The application was issued on Jul 23, 2025.
Patent Summary
Patent Family
Patent Oppositions (4)
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
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Date
Description
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EP4219808
- Application Number
- EP23154979A
- Filing Date
- Dec 5, 2017
- Status
- Granted And Under Opposition
- Jun 20, 2025
- Publication Date
- Jul 23, 2025
- External Links
- Slate, Register , Google Patents