Patent No. EP3114257 (titled "System For Carrying Out Operations Linked To The Use Of Cells Of A Facility For Producing Aluminium By Means Of Electrolysis") was filed by Fives ECL on Feb 16, 2015. The application was issued on Aug 22, 2018.

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 |
|---|---|---|
| NKM NOELL SPECIAL CRANES | May 17, 2019 | SCHMID |
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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