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The patent EP2147043 was granted to Evonik Degussa on Feb 27, 2019. The application was filed on May 21, 2008 under application number EP08773345A. 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 |
|---|---|---|---|
| NIPPON SHOKUBAI | Nov 27, 2019 | HENKEL & PARTNER MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP1462473 |
| EXAMINATION | WO2007023983 |
| EXAMINATION | WO2007024927 |
| INTERNATIONAL-SEARCH-REPORT | DE19529348 |
| INTERNATIONAL-SEARCH-REPORT | EP1757645 |
| INTERNATIONAL-SEARCH-REPORT | EP1757646 |
| INTERNATIONAL-SEARCH-REPORT | WO0022017 |
| OPPOSITION | EP0480031 |
| OPPOSITION | EP1462473 |
| OPPOSITION | US2004071966 |
| OTHER | EP1462473 |
| OTHER | WO2007023983 |
| OTHER | WO2007024927 |
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 3, 2021
Sep 3, 2021
Aug 31, 2021
May 28, 2021
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Means of redress
OPPO
May 20, 2021
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Claims
OPPO
Mar 31, 2020
Description
OPPO
Mar 31, 2020
Mar 31, 2020
Dec 11, 2019
Dec 3, 2019
Nov 27, 2019
Nov 27, 2019
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Nov 27, 2019
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Nov 12, 2019
Nov 6, 2019
Nov 6, 2019
Mar 11, 2019
Jan 31, 2019
Decision to grant a European patent
Search/Exam
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
Nov 16, 2018
Nov 16, 2018
Nov 16, 2018
Nov 16, 2018
Intention to grant (signatures)
Search/Exam
Nov 16, 2018
Text intended for grant (clean copy)
Search/Exam
Nov 16, 2018
Jul 31, 2018
(Electronic) Receipt
Search/Exam
Jul 31, 2018
Amended claims with annotations
Search/Exam
Jul 31, 2018
Claims
Search/Exam
Jul 31, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 31, 2018
Jul 31, 2018
Apr 23, 2018
Annex to the communication
Search/Exam
Apr 23, 2018
Communication from the Examining Division
Search/Exam
Jan 31, 2018
(Electronic) Receipt
Search/Exam
Jan 31, 2018
Amended claims with annotations
Search/Exam
Jan 31, 2018
Claims
Search/Exam
Jan 31, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2018
Oct 6, 2017
Annex to the communication
Search/Exam
Oct 6, 2017
Communication from the Examining Division
Search/Exam
Sep 27, 2017
(Electronic) Receipt
Search/Exam
Sep 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2017
Jun 21, 2017
Jun 2, 2017
Annex to the communication
Search/Exam
Jun 2, 2017
Communication from the Examining Division
Search/Exam
Mar 21, 2017
Mar 21, 2017
Mar 13, 2017
Citation filed by a third party
Search/Exam
Mar 13, 2017
Citation filed by a third party
Search/Exam
Mar 13, 2017
Citation filed by a third party
Search/Exam
Mar 13, 2017
Citation filed by a third party
Search/Exam
Mar 13, 2017
Non-patent literature filed by a third party
Search/Exam
Mar 13, 2017
Non-patent literature filed by a third party
Search/Exam
Mar 13, 2017
Non-patent literature filed by a third party
Search/Exam
Mar 13, 2017
Non-patent literature filed by a third party
Search/Exam
Mar 13, 2017
Non-patent literature filed by a third party
Search/Exam
Mar 13, 2017
Non-patent literature filed by a third party
Search/Exam
Mar 13, 2017
Non-patent literature filed by a third party
Search/Exam
Mar 13, 2017
Non-patent literature filed by a third party
Search/Exam
Mar 13, 2017
Non-patent literature filed by a third party
Search/Exam
Mar 13, 2017
Non-patent literature filed by a third party
Search/Exam
Mar 13, 2017
Observations by third parties
Search/Exam
Mar 13, 2017
Patent document filed by a Third party
Search/Exam
Mar 13, 2017
Patent document filed by a Third party
Search/Exam
Mar 13, 2017
Patent document filed by a Third party
Search/Exam
Mar 13, 2017
Patent document filed by a Third party
Search/Exam
Jan 5, 2017
(Electronic) Receipt
Search/Exam
Jan 5, 2017
Amended claims with annotations
Search/Exam
Jan 5, 2017
Claims
Search/Exam
Jan 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 5, 2017
Sep 28, 2016
Annex to the communication
Search/Exam
Sep 28, 2016
Communication from the Examining Division
Search/Exam
Aug 5, 2016
Jun 14, 2016
(Electronic) Receipt
Search/Exam
Jun 14, 2016
Amended claims with annotations
Search/Exam
Jun 14, 2016
Claims
Search/Exam
Jun 14, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 14, 2016
May 18, 2016
Apr 25, 2016
Apr 20, 2016
(Electronic) Receipt
Search/Exam
Apr 20, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 20, 2016
Dec 14, 2015
Annex to the communication
Search/Exam
Dec 14, 2015
Communication from the Examining Division
Search/Exam
Jun 23, 2015
Jun 17, 2015
Observations by third parties
Search/Exam
Sep 12, 2012
Sep 6, 2012
Annexes in respect of a client data request
Search/Exam
Sep 1, 2012
Apr 1, 2011
Decision to allow further processing
Search/Exam
Mar 24, 2011
(Electronic) Receipt
Search/Exam
Mar 24, 2011
Claims
Search/Exam
Mar 24, 2011
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2011
Mar 24, 2011
Request for further processing
Search/Exam
Jan 14, 2011
Dec 13, 2010
Dec 10, 2010
Dec 8, 2010
Letter accompanying subsequently filed items
Search/Exam
Dec 8, 2010
Jul 28, 2010
Annex to the communication
Search/Exam
Jul 28, 2010
Communication from the Examining Division
Search/Exam
Jan 5, 2010
Dec 30, 2009
Dec 9, 2009
Oct 28, 2009
Oct 26, 2009
(Electronic) Receipt
Search/Exam
Oct 26, 2009
Request for entry into the European phase
Search/Exam
Oct 2, 2009
Information on entry into European phase
Search/Exam
Jul 9, 2009
Jul 9, 2009
Jul 9, 2009
Notification of the recording of a change
Search/Exam
Jul 9, 2009
Notification of the recording of a change
Search/Exam
Apr 2, 2009
Copy of the international search report
Search/Exam
Apr 2, 2009
Copy of the international search report
Search/Exam
Apr 2, 2009
Feb 5, 2009
Feb 5, 2009
Feb 5, 2009
Dec 18, 2008
Nov 27, 2008
Nov 27, 2008
Published international application - A2
Search/Exam
Jul 16, 2008
Abstract
PCTRO
Jul 16, 2008
Annex
PCTRO
Jul 16, 2008
Claims
PCTRO
Jul 16, 2008
Description
PCTRO
Jul 16, 2008
Drawings
PCTRO