Patent No. EP2666604 (titled "Lightweight Chipboard, And Method Of Manufacture") was filed by Kronoplus Technical on Dec 1, 2010. The application was issued on Aug 20, 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 |
|---|---|---|
| BASF | May 20, 2015 | BASF ASSOCIATION |
| IKEA INDUSTRY | May 20, 2015 | HASELTINE LAKE KEMPNER |
| FRITZ EGGER | May 19, 2015 | COHAUSZ & FLORACK |
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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