Patent No. EP2739472 (titled "Process For Manufacturing A Glazing Unit Having A Decorative Effect") was filed by Saint Gobain on Jul 31, 2012. The application was issued on Feb 27, 2019.

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 |
|---|---|---|
| MEGASOL ENERGIE | Nov 27, 2019 | RENTSCH PARTNER |
| SEFAR | Nov 27, 2019 | PATENT UND RECHTSANWALTE BEHRMANN WAGNER PARTG MBB |
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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