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The patent EP2816096 was granted to Evonik Degussa on May 12, 2021. The application was filed on Jun 18, 2013 under application number EP13172441A. The patent is currently recorded with a legal status of "Revoked".

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 2, 2022 | LAVOIX | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP20120173010 |
| DESCRIPTION | EP20130172030 |
| DESCRIPTION | US2007275447 |
| DESCRIPTION | US2008057554 |
| DESCRIPTION | US2010151543 |
| DESCRIPTION | US2011236941 |
| DESCRIPTION | US2012252082 |
| DESCRIPTION | US2012252083 |
| DESCRIPTION | WO0014052 |
| DESCRIPTION | WO0068407 |
| DESCRIPTION | WO2010115054 |
| DESCRIPTION | WO2012131627 |
| DESCRIPTION | WO2012162321 |
| DESCRIPTION | WO9800558 |
| EXAMINATION | WO2008028055 |
| EXAMINATION | WO2012026833 |
| OPPOSITION | DE102013009993 |
| OPPOSITION | WO2009058028 |
| OPPOSITION | WO2014198635 |
| SEARCH | US2010132257 |
| SEARCH | US2011067376 |
| SEARCH | WO2007123510 |
| SEARCH | WO2009154788 |
| SEARCH | WO2012151545 |
| SEARCH | WO2012174313 |
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 7, 2025
Refund of fees
Search/Exam
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Appeal
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Authorisation
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Appeal
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Reply to appeal
Appeal
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Appeal
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May 26, 2021
Apr 15, 2021
Decision to grant a European patent
Search/Exam
Mar 31, 2021
(Electronic) Receipt
Search/Exam
Mar 31, 2021
English translation of the claims
Search/Exam
Mar 31, 2021
Filing of the translations of the claims
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Mar 31, 2021
French translation of claims
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Mar 31, 2021
Letter accompanying subsequently filed items
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Dec 3, 2020
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Intention to grant (signatures)
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Dec 3, 2020
Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Jun 2, 2020
Letter accompanying subsequently filed items
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Annex to the communication
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Jan 29, 2020
Communication from the Examining Division
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Annex to the communication
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Communication from the Examining Division
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(Electronic) Receipt
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Jul 6, 2018
Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Annex to the communication
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(Electronic) Receipt
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Aug 24, 2016
Amended claims with annotations
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Claims
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Aug 24, 2016
Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Jun 21, 2016
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Annex to the communication
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Feb 25, 2016
Communication from the Examining Division
Search/Exam
Feb 17, 2016
Examination started
Search/Exam
Jul 10, 2015
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(Electronic) Receipt
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Jun 12, 2015
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Amended claims with annotations
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Jun 12, 2015
Amendments received before examination
Search/Exam
Jun 12, 2015
Letter accompanying subsequently filed items
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Jan 8, 2015
Nov 26, 2014
Notification of forthcoming publication
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Oct 24, 2013
Oct 24, 2013
European search opinion
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Oct 24, 2013
European search report
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Oct 14, 2013
Search started
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Oct 1, 2013
Communication to designated inventor
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Sep 24, 2013
(Electronic) Receipt
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Sep 24, 2013
Designation of inventor
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Sep 24, 2013
Letter accompanying subsequently filed items
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Jul 1, 2013
Deficiency in designation of inventor
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Jun 18, 2013
Abstract
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Jun 18, 2013
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Claims
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Jun 18, 2013
Description
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Jun 18, 2013
Drawings
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Jun 18, 2013
Request for grant of a European patent
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