Patent No. EP4124674 (titled "Electrolyzer Plant Comprising A Plurality Of Electrolyzer Modules And A System For Controlling Operation Of The Electrolyzer Plant") was filed by ABB Schweiz on Jul 30, 2021. The application was issued on Sep 4, 2024.

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 |
|---|---|---|
| ROBERT BOSCH | Jun 4, 2025 | - |
| THYSSENKRUPP NUCERA | May 30, 2025 | MEISSNER BOLTE PARTNERSCHAFT MBB |
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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