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The patent EP2819640 was granted to Evonik Degussa on Apr 3, 2019. The application was filed on Feb 4, 2013 under application number EP13704567A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| MAYR KOTSCH PATENTANWALT RECHTSANWALTIN PARTNERSCHAFTSGESELLSCHAFT MBB | Jan 3, 2020 | - | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102008001788 |
| DESCRIPTION | EP0264853 |
| DESCRIPTION | EP1036799 |
| DESCRIPTION | EP1299069 |
| DESCRIPTION | EP1372576 |
| DESCRIPTION | EP1545433 |
| DESCRIPTION | WO2009085444 |
| DESCRIPTION | WO2009112375 |
| INTERNATIONAL-SEARCH-REPORT | EP1057477 |
| INTERNATIONAL-SEARCH-REPORT | EP2389920 |
| INTERNATIONAL-SEARCH-REPORT | US2005002996 |
| INTERNATIONAL-SEARCH-REPORT | US2007062009 |
| INTERNATIONAL-SEARCH-REPORT | US3278383 |
| INTERNATIONAL-SEARCH-REPORT | US3530217 |
| INTERNATIONAL-SEARCH-REPORT | US4857352 |
| INTERNATIONAL-SEARCH-REPORT | WO0189466 |
| INTERNATIONAL-SEARCH-REPORT | WO9732560 |
| OPPOSITION | EP1057477 |
| OPPOSITION | EP1562562 |
| OPPOSITION | EP2389920 |
| OPPOSITION | US2005002996 |
| OPPOSITION | US2007062009 |
| OPPOSITION | US3278383 |
| OPPOSITION | US3530217 |
| OPPOSITION | US4857352 |
| OPPOSITION | WO0189466 |
| OPPOSITION | WO9732560 |
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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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Reply to appeal
Appeal
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Appeal
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Notice of appeal
Appeal
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Means of redress
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Authorisation
OPPO
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Mar 7, 2019
Decision to grant a European patent
Search/Exam
Jan 28, 2019
Submission concerning representation
Search/Exam
Jan 24, 2019
Jan 16, 2019
Jan 14, 2019
(Electronic) Receipt
Search/Exam
Jan 14, 2019
English translation of the claims
Search/Exam
Jan 14, 2019
Filing of the translations of the claims
Search/Exam
Jan 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 14, 2019
Jan 10, 2019
(Electronic) Receipt
Search/Exam
Jan 10, 2019
English translation of the claims
Search/Exam
Jan 10, 2019
Filing of the translations of the claims
Search/Exam
Jan 10, 2019
French translation of claims
Search/Exam
Jan 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 25, 2018
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Intention to grant (signatures)
Search/Exam
Oct 25, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 25, 2018
Sep 21, 2018
(Electronic) Receipt
Search/Exam
Sep 21, 2018
Amended claims with annotations
Search/Exam
Sep 21, 2018
Claims
Search/Exam
Sep 21, 2018
Description
Search/Exam
Sep 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 21, 2018
Sep 14, 2018
Annex to the communication
Search/Exam
Sep 14, 2018
Sep 14, 2018
Oct 5, 2017
(Electronic) Receipt
Search/Exam
Oct 5, 2017
Amended claims with annotations
Search/Exam
Oct 5, 2017
Claims
Search/Exam
Oct 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 5, 2017
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(Electronic) Receipt
Search/Exam
Jul 26, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 26, 2017
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Annex to a communication
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Annex to a communication
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Apr 6, 2017
Annex to the communication
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Apr 6, 2017
Communication from the Examining Division
Search/Exam
Mar 16, 2017
Examination started
Search/Exam
Jul 29, 2015
(Electronic) Receipt
Search/Exam
Jul 29, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2015
Jul 10, 2015
Jun 16, 2015
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Apr 14, 2015
(Electronic) Receipt
Search/Exam
Apr 14, 2015
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Amended claims with annotations
Search/Exam
Apr 14, 2015
Amendments received before examination
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Apr 14, 2015
Letter accompanying subsequently filed items
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Dec 10, 2014
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
Oct 8, 2014
Communication to designated inventor
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Sep 16, 2014
Sep 4, 2014
Copy of the international search report
Search/Exam
Sep 4, 2014
Copy of the international search report
Search/Exam
Sep 4, 2014
Aug 7, 2014
(Electronic) Receipt
Search/Exam
Aug 7, 2014
Request for entry into the European phase
Search/Exam
Jul 11, 2014
Information on entry into European phase
Search/Exam
Jul 11, 2014
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Sep 24, 2013
Sep 6, 2013
Published international application - A2
Search/Exam
Feb 4, 2013
(Electronic) Receipt
PCTRO
Feb 4, 2013
Abstract
PCTRO
Feb 4, 2013
Claims
PCTRO
Feb 4, 2013
Description
PCTRO