Patent No. EP3234208 (titled "Aluminum Alloy Suitable For The High Speed Production Of Aluminum Bottle And The Process Of Manufacturing Thereof") was filed by Novelis on Dec 18, 2015. The application was issued on Apr 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 CENTERCONSTELLIUM NEUF BRISACHCONSTELLIUM MUSCLE SHOALS | Jan 26, 2021 | CONSTELLIUM PROPRIETE INDUSTRIELLE |
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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