Patent No. EP3026134 (titled "Heat Exchanger, Use Of An Aluminium Alloy And An Aluminium Tape And Method For Producing An Aluminium Tape") was filed by Hydro Aluminium Rolled Products on Mar 10, 2015. The application was issued on Jan 12, 2022.

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 |
|---|---|---|
| ALERIS ROLLED PRODUCTS GERMANY | Jan 31, 2019 | WEICKMANN & WEICKMANN PARTMBB |
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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