Patent No. EP2635502 (titled "Packing- And/Or Transport Unit And Method For Producing An Insulation Layer") was filed by Rockwool on Oct 26, 2011. The application was issued on Dec 31, 2014.

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 |
|---|---|---|
| KNAUF INSULATION | Sep 30, 2015 | ARC |
| PAROC GROUP | Mar 31, 2015 | TAMPEREEN PATENTTITOIMISTO |
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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