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The patent EP3080308 was granted to Thyssenkrupp on Jul 16, 2025. The application was filed on Dec 11, 2014 under application number EP14815581A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| ARCELORMITTAL | Feb 3, 2021 | LAVOIX | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0200880 |
| INTERNATIONAL-SEARCH-REPORT | EP2543743 |
| INTERNATIONAL-SEARCH-REPORT | EP2657215 |
| INTERNATIONAL-SEARCH-REPORT | JP2011225969 |
| INTERNATIONAL-SEARCH-REPORT | US2006027043 |
| INTERNATIONAL-SEARCH-REPORT | WO0005421 |
| INTERNATIONAL-SEARCH-REPORT | WO2011018124 |
| OPPOSITION | DE102013004996 |
| OPPOSITION | EP2781584 |
| OPPOSITION | WO2009058028 |
| OPPOSITION | WO2011116141 |
| OPPOSITION | WO2013037444 |
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.
Date
Description
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Means of redress
OPPO
Nov 7, 2024
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May 31, 2023
(Electronic) Receipt
Appeal
May 31, 2023
May 31, 2023
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(Electronic) Receipt
Appeal
May 19, 2023
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Apr 27, 2023
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Mar 23, 2023
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Mar 13, 2023
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Mar 1, 2023
(Electronic) Receipt
Appeal
Mar 1, 2023
Mar 1, 2023
Reply to appeal
Appeal
Nov 11, 2022
Nov 7, 2022
(Electronic) Receipt
Appeal
Nov 7, 2022
Nov 7, 2022
Sep 30, 2022
Sep 26, 2022
(Electronic) Receipt
Appeal
Sep 26, 2022
Sep 26, 2022
Sep 20, 2022
Sep 8, 2022
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Sep 1, 2022
(Electronic) Receipt
Appeal
Sep 1, 2022
Sep 1, 2022
Notice of appeal
Appeal
Jul 6, 2022
Jul 5, 2022
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Means of redress
OPPO
Jul 5, 2022
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Authorisation
OPPO
Apr 7, 2022
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Jun 5, 2020
May 18, 2020
Letter concerning the inventor
Search/Exam
May 18, 2020
Apr 9, 2020
Decision to grant a European patent
Search/Exam
Mar 23, 2020
(Electronic) Receipt
Search/Exam
Mar 23, 2020
English translation of the claims
Search/Exam
Mar 23, 2020
French translation of claims
Search/Exam
Mar 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 4, 2020
Change to the inventor details
Search/Exam
Jan 29, 2020
Letter concerning the inventor
Search/Exam
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Intention to grant (signatures)
Search/Exam
Jan 10, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 10, 2020
Dec 21, 2018
(Electronic) Receipt
Search/Exam
Dec 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2018
Aug 28, 2018
Annex to the communication
Search/Exam
Aug 28, 2018
Communication from the Examining Division
Search/Exam
Aug 22, 2018
Examination started
Search/Exam
May 25, 2018
May 10, 2017
Apr 11, 2017
Mar 22, 2017
Annexes in respect of a client data request
Search/Exam
Mar 22, 2017
Annexes in respect of a client data request
Search/Exam
Mar 22, 2017
Jan 18, 2017
(Electronic) Receipt
Search/Exam
Jan 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 18, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Sep 21, 2016
Jul 19, 2016
Jul 15, 2016
Communication to designated inventor
Search/Exam
Jul 15, 2016
Communication to designated inventor
Search/Exam
Jul 15, 2016
Communication to designated inventor
Search/Exam
Jul 15, 2016
Communication to designated inventor
Search/Exam
Jul 15, 2016
Communication to designated inventor
Search/Exam
Jul 15, 2016
Communication to designated inventor
Search/Exam
Jul 15, 2016
Communication to designated inventor
Search/Exam
Jul 15, 2016
Communication to designated inventor
Search/Exam
Jun 28, 2016
Jun 8, 2016
(Electronic) Receipt
Search/Exam
Jun 8, 2016
Jun 8, 2016
Amended claims with annotations
Search/Exam
Jun 8, 2016
Priority search results
Search/Exam
Jun 8, 2016
Request for entry into the European phase
Search/Exam
May 17, 2016
May 17, 2016
Notification of the recording of a change
Search/Exam
Apr 22, 2016
Information on entry into European phase
Search/Exam
Feb 29, 2016
Feb 29, 2016
Notification of the recording of a change
Search/Exam
Jul 7, 2015
Jun 18, 2015
Copy of the international search report
Search/Exam
Jun 18, 2015
Copy of the international search report
Search/Exam
Jun 18, 2015
Published international application - A1
Search/Exam
May 7, 2015
May 7, 2015
May 7, 2015
Dec 13, 2014
Abstract
PCTRO
Dec 13, 2014
Claims
PCTRO
Dec 13, 2014
Description
PCTRO
Dec 13, 2014
Drawings
PCTRO
Dec 11, 2014