Patent No. EP2718361 (titled "Protective And/Or Combustible Material Made From Cellulosic Plant Material, And Corresponding Method For Manufacturing Same") was filed by Apca Assemblee Permanente DES Chambres Dagriculture on Jun 11, 2012. The application was issued on Oct 4, 2023.

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.
| Company | Opposition Date | Representative |
|---|---|---|
| STORA ENSO OYJ | Jul 2, 2024 | STEINRUD |
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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