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The patent EP2831292 was granted to Voestalpine Stahl on Aug 10, 2022. The application was filed on Apr 2, 2013 under application number EP13713452A. 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 |
|---|---|---|---|
| THYSSENKRUPP STEEL EUROPE | Mar 18, 2020 | THYSSENKRUPP STEEL EUROPE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2009238713 |
| INTERNATIONAL-SEARCH-REPORT | EP1870482 |
| INTERNATIONAL-SEARCH-REPORT | GB2438618 |
| INTERNATIONAL-SEARCH-REPORT | JP2004332099 |
| INTERNATIONAL-SEARCH-REPORT | JP2006283131 |
| INTERNATIONAL-SEARCH-REPORT | JP2008280577 |
| OPPOSITION | EP2460897 |
| OPPOSITION | JP2005281787 |
| OPPOSITION | JP2007262553 |
| OPPOSITION | JP2008214752 |
| OPPOSITION | JP2008308717 |
| OPPOSITION | JP2010138458 |
| OPPOSITION | JP2011195956 |
| OPPOSITION | JP2012012656 |
| OPPOSITION | JP2012102656 |
| OPPOSITION | WO2011013837 |
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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Jul 14, 2022
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Means of redress
OPPO
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Description
OPPO
Jun 1, 2021
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Description
OPPO
May 26, 2021
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Document concerning representation
Search/Exam
Apr 8, 2021
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Document concerning representation
Search/Exam
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Jul 1, 2019
May 23, 2019
Decision to grant a European patent
Search/Exam
May 9, 2019
Submission concerning representation
Search/Exam
May 6, 2019
(Electronic) Receipt
Search/Exam
May 6, 2019
French translation of claims
Search/Exam
May 6, 2019
German translation of the claims
Search/Exam
May 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2019
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Intention to grant (signatures)
Search/Exam
Mar 20, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 20, 2019
Oct 10, 2017
(Electronic) Receipt
Search/Exam
Oct 10, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 10, 2017
Jul 28, 2017
Annex to a communication
Search/Exam
Jul 28, 2017
Annex to the communication
Search/Exam
Jul 28, 2017
Communication from the Examining Division
Search/Exam
Jun 6, 2017
Examination started
Search/Exam
Feb 22, 2017
May 5, 2015
(Electronic) Receipt
Search/Exam
May 5, 2015
Letter accompanying subsequently filed items
Search/Exam
Jan 8, 2015
Nov 20, 2014
Nov 13, 2014
Nov 4, 2014
Communication to designated inventor
Search/Exam
Nov 4, 2014
Communication to designated inventor
Search/Exam
Nov 4, 2014
Communication to designated inventor
Search/Exam
Nov 4, 2014
Communication to designated inventor
Search/Exam
Oct 15, 2014
Comments on Written Opinion of ISA
Search/Exam
Oct 15, 2014
Sep 25, 2014
(Electronic) Receipt
Search/Exam
Sep 25, 2014
Letter accompanying subsequently filed items
Search/Exam
Sep 25, 2014
Note on telephone consultation
Search/Exam
Aug 13, 2014
(Electronic) Receipt
Search/Exam
Aug 13, 2014
Annex
Search/Exam
Aug 13, 2014
Request for entry into the European phase
Search/Exam
Aug 8, 2014
Information on entry into European phase
Search/Exam
Oct 22, 2013
Oct 3, 2013
Copy of the international search report
Search/Exam
Oct 3, 2013
Published international application - A1
Search/Exam
Jul 16, 2013
Jul 16, 2013
Jul 16, 2013
Apr 2, 2013
(Electronic) Receipt
PCTRO
Apr 2, 2013
Abstract
PCTRO
Apr 2, 2013
Claims
PCTRO
Apr 2, 2013
Description
PCTRO