Patent No. EP3059344 (titled "A Method For Manufacturing Paper Comprising Bleached Chemithermo-Mechanical Pulp Suitable For A Release Liner And Products And Uses Thereof") was filed by UPM Kymmene on Feb 22, 2016. The application was issued on Dec 13, 2017.

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 |
|---|---|---|
| AHLSTROM ITALIA | Sep 13, 2018 | KINKELDEY |
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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