Patent No. EP4101980 (titled "Packaging Paper And Method For The Production Thereof") was filed by Mondi on Aug 12, 2021. The application was issued on Oct 23, 2024.

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 |
|---|---|---|
| BILLERUD AKTIEBOLAG PUBL | Jul 9, 2025 | KRANSELL & WENNBORG KB |
| NORDIC PAPER BACKHAMMAR | Jun 27, 2025 | BJERKEN HYNELL KB |
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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