Patent No. EP3009531 (titled "Method For Controlling An Electrolysis System Taking Into Account The Temperature Of The Electrolysis Modules Of Said Electrolysis System") was filed by Commissariat A Lenergie Atomique ET AUX Energies Alternatives on Oct 12, 2015. The application was issued on Oct 15, 2025.

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 |
|---|---|---|
| NORDEX ENERGY SPAIN | Apr 13, 2023 | ELION |
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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