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The patent EP2114469 was granted to Evonik Degussa on Mar 29, 2017. The application was filed on Feb 7, 2008 under application number EP08708785A. 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 |
|---|---|---|---|
| NIPPON SHOKUBAI | Dec 29, 2017 | HENKEL & PARTNER MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP1140230 |
| EXAMINATION | EP1187640 |
| EXAMINATION | EP1363682 |
| EXAMINATION | GB2093351 |
| EXAMINATION | JPH10298442 |
| EXAMINATION | WO2004037900 |
| INTERNATIONAL-SEARCH-REPORT | EP0316518 |
| INTERNATIONAL-SEARCH-REPORT | US3707148 |
| INTERNATIONAL-SEARCH-REPORT | WO0132226 |
| INTERNATIONAL-SEARCH-REPORT | WO0135885 |
| INTERNATIONAL-SEARCH-REPORT | WO03002623 |
| INTERNATIONAL-SEARCH-REPORT | WO2007057203 |
| INTERNATIONAL-SEARCH-REPORT | WO2007104641 |
| OPPOSITION | GB2093351 |
| OPPOSITION | JP2001258934 |
| OPPOSITION | JP2006085652 |
| OPPOSITION | JP2006188668 |
| OPPOSITION | JPH09108317 |
| OPPOSITION | JPH10298442 |
| OPPOSITION | JPS57142257 |
| OPPOSITION | US4818598 |
| OPPOSITION | WO0035505 |
| OPPOSITION | WO0071176 |
| OPPOSITION | WO0132226 |
| OPPOSITION | WO02053199 |
| OPPOSITION | WO03002623 |
| OPPOSITION | WO03095510 |
| OPPOSITION | WO2004037903 |
| OPPOSITION | WO2004069915 |
| OPPOSITION | WO2007116777 |
| OPPOSITION | WO9526209 |
| OTHER | EP1140230 |
| OTHER | EP1187640 |
| OTHER | EP1363682 |
| OTHER | EP1425320 |
| OTHER | GB2093351 |
| OTHER | JPH10298442 |
| OTHER | US2006029782 |
| OTHER | WO0035505 |
| OTHER | WO02053199 |
| OTHER | WO03002623 |
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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Claims
OPPO
May 18, 2018
Claims
OPPO
May 18, 2018
Claims
OPPO
May 18, 2018
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Mar 29, 2017
Mar 2, 2017
Decision to grant a European patent
Search/Exam
Jan 6, 2017
(Electronic) Receipt
Search/Exam
Jan 6, 2017
English translation of the claims
Search/Exam
Jan 6, 2017
Filing of the translations of the claims
Search/Exam
Jan 6, 2017
French translation of claims
Search/Exam
Jan 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2016
Sep 30, 2016
Sep 30, 2016
Intention to grant (signatures)
Search/Exam
Sep 30, 2016
Text intended for grant (clean copy)
Search/Exam
Sep 30, 2016
May 2, 2016
(Electronic) Receipt
Search/Exam
May 2, 2016
Amended claims with annotations
Search/Exam
May 2, 2016
Amended description with annotations
Search/Exam
May 2, 2016
Claims
Search/Exam
May 2, 2016
Description
Search/Exam
May 2, 2016
Letter accompanying subsequently filed items
Search/Exam
May 2, 2016
Apr 18, 2016
Annex to the communication
Search/Exam
Apr 18, 2016
Apr 18, 2016
Aug 14, 2015
(Electronic) Receipt
Search/Exam
Aug 14, 2015
Claims
Search/Exam
Aug 14, 2015
Claims
Search/Exam
Aug 14, 2015
Letter accompanying subsequently filed items
Search/Exam
Aug 14, 2015
Apr 20, 2015
Annex to the communication
Search/Exam
Apr 20, 2015
Communication from the Examining Division
Search/Exam
Jan 29, 2015
Jan 1, 2015
Observations by third parties
Search/Exam
Dec 19, 2014
Citation filed by a third party
Search/Exam
Dec 19, 2014
Citation filed by a third party
Search/Exam
Dec 19, 2014
Citation filed by a third party
Search/Exam
Dec 19, 2014
Citation filed by a third party
Search/Exam
Dec 19, 2014
Observations by third parties
Search/Exam
Oct 20, 2014
(Electronic) Receipt
Search/Exam
Oct 20, 2014
Claims
Search/Exam
Oct 20, 2014
Claims
Search/Exam
Oct 20, 2014
Letter accompanying subsequently filed items
Search/Exam
Oct 20, 2014
Aug 22, 2014
Aug 19, 2014
(Electronic) Receipt
Search/Exam
Aug 19, 2014
Letter accompanying subsequently filed items
Search/Exam
Aug 19, 2014
Apr 10, 2014
Annex to the communication
Search/Exam
Apr 10, 2014
Communication from the Examining Division
Search/Exam
Sep 12, 2012
Sep 6, 2012
Annexes in respect of a client data request
Search/Exam
Sep 1, 2012
Dec 20, 2011
(Electronic) Receipt
Search/Exam
Dec 20, 2011
Claims
Search/Exam
Dec 20, 2011
Letter accompanying subsequently filed items
Search/Exam
Dec 20, 2011
Oct 31, 2011
Oct 26, 2011
(Electronic) Receipt
Search/Exam
Oct 26, 2011
Letter accompanying subsequently filed items
Search/Exam
Oct 26, 2011
Jun 17, 2011
Annex to the communication
Search/Exam
Jun 17, 2011
Communication from the Examining Division
Search/Exam
Aug 6, 2010
Claims
Search/Exam
Aug 6, 2010
Aug 4, 2010
Jun 1, 2010
May 28, 2010
May 26, 2010
Jan 25, 2010
Annex to the communication
Search/Exam
Jan 25, 2010
Communication from the Examining Division
Search/Exam
Oct 14, 2009
Oct 13, 2009
Oct 13, 2009
Sep 25, 2009
Aug 17, 2009
Aug 17, 2009
Jul 17, 2009
(Electronic) Receipt
Search/Exam
Jul 17, 2009
Jul 17, 2009
Request for entry into the European phase
Search/Exam
Jun 19, 2009
Information on entry into European phase
Search/Exam
Jun 10, 2009
Jun 10, 2009
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May 6, 2009
May 6, 2009
May 6, 2009
Notification of the recording of a change
Search/Exam
Mar 30, 2009
Notification of election of EPO
Search/Exam
Mar 6, 2009
Mar 6, 2009
Mar 4, 2009
PCT demand form
PCT2
Mar 4, 2009
Mar 4, 2009
Feb 20, 2009
Feb 20, 2009
PCT demand form
PCT2
Feb 20, 2009
Feb 20, 2009
Jan 8, 2009
Copy of the international search report
Search/Exam
Jan 8, 2009
Copy of the international search report
Search/Exam
Jan 8, 2009
Nov 20, 2008
Nov 20, 2008
Nov 20, 2008
Sep 2, 2008
Aug 14, 2008
Published international application - A2
Search/Exam
Feb 7, 2008
(Electronic) Receipt
PCTRO
Feb 7, 2008
Abstract
PCTRO
Feb 7, 2008
Claims
PCTRO
Feb 7, 2008
Description
PCTRO