Patent No. EP3268503 (titled "Aluminum Alloys For Highly Shaped Packaging Products And Methods Of Making The Same") was filed by Novelis on Mar 11, 2016. The application was issued on Jun 19, 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 |
|---|---|---|
| C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM NEU BRISACH CONSTELLIUM MUSCLE SHOALS | Apr 6, 2020 | 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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