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The patent EP3204530 was granted to Thyssenkrupp on Oct 9, 2024. The application was filed on Sep 9, 2015 under application number EP15762569A. 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 |
|---|---|---|---|
| SALZGITTER FLACHSTAHL | Oct 8, 2019 | MOSER GOTZE & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
| ARCELORMITTAL | Oct 7, 2019 | LAVOIX | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2014037545 |
| INTERNATIONAL-SEARCH-REPORT | DE102012017703 |
| INTERNATIONAL-SEARCH-REPORT | DE19622164 |
| INTERNATIONAL-SEARCH-REPORT | DE19701443 |
| INTERNATIONAL-SEARCH-REPORT | EP0484960 |
| INTERNATIONAL-SEARCH-REPORT | EP1111081 |
| INTERNATIONAL-SEARCH-REPORT | EP2508629 |
| INTERNATIONAL-SEARCH-REPORT | EP2700731 |
| OPPOSITION | DE102012017703 |
| OPPOSITION | DE69408739T |
| OPPOSITION | EP0391658 |
| OPPOSITION | JPH08337842 |
| OPPOSITION | RU2366730 |
| OPPOSITION | US5954896 |
| OPPOSITION | WO2009034250 |
| OTHER | EP3204530 |
| OTHER | WO2014037545 |
| OTHER | WO2016005227 |
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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Sep 12, 2024
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OPPO
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Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Advice of delivery
Appeal
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Appeal
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Reply to appeal
Appeal
Jan 10, 2022
(Electronic) Receipt
Appeal
Jan 10, 2022
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Reply to appeal
Appeal
Sep 22, 2021
Sep 16, 2021
(Electronic) Receipt
Appeal
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Claims
Appeal
Sep 16, 2021
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Jul 7, 2021
(Electronic) Receipt
Appeal
Jul 7, 2021
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Notice of appeal
Appeal
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Dec 13, 2018
Decision to grant a European patent
Search/Exam
Nov 23, 2018
(Electronic) Receipt
Search/Exam
Nov 23, 2018
English translation of the claims
Search/Exam
Nov 23, 2018
French translation of claims
Search/Exam
Nov 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 14, 2018
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Intention to grant (signatures)
Search/Exam
Sep 14, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 14, 2018
Aug 8, 2018
(Electronic) Receipt
Search/Exam
Aug 8, 2018
Amended description with annotations
Search/Exam
Aug 8, 2018
Description
Search/Exam
Aug 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 8, 2018
Jun 11, 2018
Annex to the communication
Search/Exam
Jun 11, 2018
Communication from the Examining Division
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May 4, 2018
(Electronic) Receipt
Search/Exam
May 4, 2018
Amended claims with annotations
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May 4, 2018
Claims
Search/Exam
May 4, 2018
Letter accompanying subsequently filed items
Search/Exam
May 4, 2018
Jan 25, 2018
Annex to the communication
Search/Exam
Jan 25, 2018
Communication from the Examining Division
Search/Exam
Jan 19, 2018
Examination started
Search/Exam
Oct 5, 2017
(Electronic) Receipt
Search/Exam
Oct 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 5, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Sep 28, 2017
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Non-patent literature filed by a third party
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Sep 22, 2017
Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Sep 22, 2017
Observations by third parties
Search/Exam
Sep 22, 2017
Patent document filed by a Third party
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Jul 19, 2017
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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 11, 2017
Observations by third parties
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Apr 11, 2017
Observations by third parties
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Annexes in respect of a client data request
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Mar 22, 2017
Annexes in respect of a client data request
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Mar 22, 2017
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Priority search results copy provided by EPO
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Mar 14, 2017
(Electronic) Receipt
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Mar 14, 2017
Priority search results
Search/Exam
Mar 14, 2017
Request for entry into the European phase
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Feb 17, 2017
Information on entry into European phase
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May 4, 2016
Apr 14, 2016
Copy of the international search report
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Apr 14, 2016
Copy of the international search report
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Apr 14, 2016
Published international application - A1
Search/Exam
Oct 2, 2015
ISR: cited documents
PCTISA
Oct 2, 2015
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Sep 22, 2015
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(Electronic) Receipt
PCTRO
Sep 9, 2015
Abstract
PCTRO
Sep 9, 2015
Claims
PCTRO
Sep 9, 2015
Description
PCTRO
Sep 9, 2015
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Drawings
PCTRO
Sep 9, 2015
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