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The patent EP4219773 was granted to SMS Group on Oct 9, 2024. The application was filed on Mar 2, 2021 under application number EP23152997A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 | Opposition Status |
|---|---|---|---|
| PRIMETALS AUSTRIA | Jul 7, 2025 | MEISSNER BOLTE NURNBERG | ADMISSIBLE |
| SCHOPPE ZIMMERMANN STOCKELER ZINKLER SCHENK & PARTNER | Jul 3, 2025 | STOCKELER | ADMISSIBLE |
| TATA STEEL IJMUIDEN | Jun 26, 2025 | GROUP SERVICES | ADMISSIBLE |
| THYSSENKRUPP STEEL EUROPE | Jun 25, 2025 | THYSSENKRUPP STEEL EUROPE | ADMISSIBLE |
| ARCELORMITTAL | Jun 20, 2025 | LAVOIX | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1160337 |
| DESCRIPTION | EP1160338 |
| DESCRIPTION | EP1298224 |
| DESCRIPTION | US5810905 |
| DESCRIPTION | WO2017207472 |
| OPPOSITION | CN103266194 |
| OPPOSITION | CN103397140 |
| OPPOSITION | CN103805727 |
| OPPOSITION | DE3201608 |
| OPPOSITION | EP1073773 |
| OPPOSITION | EP1144696 |
| OPPOSITION | EP1160337 |
| OPPOSITION | EP1160338 |
| OPPOSITION | EP1298224 |
| OPPOSITION | EP1437420 |
| OPPOSITION | GB191322692 |
| OPPOSITION | US2003070507 |
| OPPOSITION | US2004060389 |
| OPPOSITION | US2004076539 |
| OPPOSITION | US2008236335 |
| OPPOSITION | US2010180723 |
| OPPOSITION | US2013098202 |
| OPPOSITION | US2018274047 |
| OPPOSITION | US3472649 |
| OPPOSITION | US3472650 |
| OPPOSITION | US3690867 |
| OPPOSITION | US4071687 |
| OPPOSITION | US4447265 |
| OPPOSITION | US5445363 |
| OPPOSITION | US5810905 |
| OPPOSITION | US5946339 |
| OPPOSITION | US6149709 |
| OPPOSITION | US6843828 |
| OPPOSITION | US8391331 |
| OPPOSITION | WO0172090 |
| OPPOSITION | WO2010128402 |
| OPPOSITION | WO2011151020 |
| OPPOSITION | WO2017207472 |
| OPPOSITION | WO9951783 |
| SEARCH | EP1437420 |
| SEARCH | US2004076539 |
| SEARCH | US2013098202 |
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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Decision to grant a European patent
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Annexes in respect of a client data request
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(Electronic) Receipt
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English translation of the claims
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Jun 24, 2024
Filing of the translations of the claims
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Jun 24, 2024
French translation of claims
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Jun 24, 2024
Letter accompanying subsequently filed items
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Observations by third parties
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Intention to grant (signatures)
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Mar 12, 2024
Text intended for grant (clean copy)
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Mar 12, 2024
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(Electronic) Receipt
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Nov 30, 2023
Amended claims with annotations
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Claims
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Nov 30, 2023
Letter accompanying subsequently filed items
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Notification of forthcoming publication
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Annex to the communication
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May 31, 2023
Communication from the Examining Division
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May 3, 2023
(Electronic) Receipt
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May 3, 2023
Letter accompanying subsequently filed items
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Refund of fees
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European search report
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Apr 17, 2023
Information on Search Strategy
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Abstract
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Claims
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Jan 24, 2023
Description
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Designation of inventor
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Jan 24, 2023
Drawings
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Jan 24, 2023
Request for grant of a European patent
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Mar 11, 2021
Priority document
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