Patent No. EP2895630 (titled "Method For Storing Discontinuously Obtained Energy In Reduction Process Of Iron Ore") was filed by Voestalpine Stahl on Sep 10, 2013. The application was issued on Jun 7, 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 |
|---|---|---|
| AKTIEN GESELLSCHAFT DER DILLINGER HUTTENWERKE SOCIETE ANONYME DES FORGES ET ACIERIES DE DILLING | Mar 7, 2024 | PATENTANWALTE BERNHARDT WOLFF PARTNERSCHAFT MBB |
| HYBRIT | Mar 6, 2024 | VALEA |
| TENOVA DANIELI & C OFFICINE MECCANICHE | Mar 5, 2024 | PGA |
| APPL | Mar 4, 2024 | - |
| ARCELORMITTAL | Feb 28, 2024 | LAVOIX |
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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