Patent No. EP2569165 (titled "A Method Of Printing") was filed by Heiq Materials on May 11, 2011. The application was issued on Jan 18, 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 |
|---|---|---|
| ADDMASTER UK | May 25, 2016 | APPLEYARD LEES |
| SUN CHEMICAL | Nov 13, 2015 | ABEL & IMRAY |
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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