Patent No. EP3314028 (titled "Fast Response Heaters And Associated Control Systems Used In Combination With Metal Treatment Furnaces") was filed by Novelis on Jun 23, 2016. The application was issued on Jan 29, 2020.

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 |
|---|---|---|
| C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM NEUF BRISACH | Oct 27, 2020 | CONSTELLIUM PROPRIETE INDUSTRIELLE |
| FIVES CELES | Oct 27, 2020 | - |
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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