Patent No. EP3847290 (titled "Aluminium Alloy, Semi-Finished Product, Can, Method For Producing A Slug, Method For Producing A Can, And Use Of An Aluminium Alloy") was filed by Neuman Aluminium Austria on Sep 3, 2019. 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 |
|---|---|---|
| BALL | Oct 17, 2023 | EISENFUHR SPEISER |
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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