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The patent EP3516084 was granted to Thyssenkrupp on Jul 20, 2022. The application was filed on Sep 13, 2017 under application number EP17777796A. 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 |
|---|---|---|---|
| TATA STEEL IJMUIDEN | Mar 8, 2023 | GROUP SERVICES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE19622164 |
| DESCRIPTION | EP2700731 |
| DESCRIPTION | WO2016055227 |
| INTERNATIONAL-SEARCH-REPORT | DE19622164 |
| INTERNATIONAL-SEARCH-REPORT | DE19701443 |
| INTERNATIONAL-SEARCH-REPORT | DE69909305T |
| INTERNATIONAL-SEARCH-REPORT | EP1411140 |
| INTERNATIONAL-SEARCH-REPORT | EP2700731 |
| INTERNATIONAL-SEARCH-REPORT | WO2016055227 |
| OPPOSITION | WO2016055227 |
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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Description
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Dec 23, 2025
(Electronic) Receipt
Appeal
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Claims
Appeal
Dec 23, 2025
Claims
Appeal
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Claims
Appeal
Dec 23, 2025
Claims
Appeal
Dec 23, 2025
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Notice of appeal
Appeal
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OPPO
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OPPO
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(Electronic) Receipt
Search/Exam
May 17, 2022
Annex
Search/Exam
May 17, 2022
Letter accompanying subsequently filed items
Search/Exam
May 17, 2022
Request for correction of the publication
Search/Exam
May 12, 2022
Decision to grant a European patent
Search/Exam
May 2, 2022
(Electronic) Receipt
Search/Exam
May 2, 2022
English translation of the claims
Search/Exam
May 2, 2022
Filing of the translations of the claims
Search/Exam
May 2, 2022
French translation of claims
Search/Exam
Dec 23, 2021
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Intention to grant (signatures)
Search/Exam
Dec 23, 2021
Text intended for grant (clean copy)
Search/Exam
Dec 23, 2021
Dec 2, 2021
(Electronic) Receipt
Search/Exam
Dec 2, 2021
Amended claims with annotations
Search/Exam
Dec 2, 2021
Amended description with annotations
Search/Exam
Dec 2, 2021
Claims
Search/Exam
Dec 2, 2021
Description
Search/Exam
Dec 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2021
Aug 13, 2021
Annex to the communication
Search/Exam
Aug 13, 2021
Communication from the Examining Division
Search/Exam
Aug 9, 2021
Examination started
Search/Exam
Nov 4, 2019
(Electronic) Receipt
Search/Exam
Nov 4, 2019
Amendments received before examination
Search/Exam
Nov 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 15, 2019
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Letter which had not been notified
Search/Exam
Jun 12, 2019
Matter concerning the application
Search/Exam
May 31, 2019
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Letter which had not been notified
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Apr 22, 2019
Priority search results copy provided by EPO
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Apr 12, 2019
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Feb 6, 2019
Request for entry into the European phase
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Feb 1, 2019
Information on entry into European phase
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Apr 26, 2018
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Copy of the international search report
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Mar 29, 2018
Copy of the international search report
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Mar 29, 2018
Published international application - A1
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PCTRO
Sep 13, 2017
Abstract
PCTRO
Sep 13, 2017
Claims
PCTRO
Sep 13, 2017
Description
PCTRO
Sep 13, 2017
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