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The patent EP2773691 was granted to Evonik Degussa on Jul 15, 2020. The application was filed on Nov 12, 2012 under application number EP12788172A. 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 | Apr 15, 2021 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2018877 |
| INTERNATIONAL-SEARCH-REPORT | EP2383115 |
| INTERNATIONAL-SEARCH-REPORT | US2005090586 |
| INTERNATIONAL-SEARCH-REPORT | US2005288641 |
| INTERNATIONAL-SEARCH-REPORT | US2007238806 |
| INTERNATIONAL-SEARCH-REPORT | US2010099781 |
| INTERNATIONAL-SEARCH-REPORT | WO02053198 |
| INTERNATIONAL-SEARCH-REPORT | WO2006109844 |
| INTERNATIONAL-SEARCH-REPORT | WO2008009580 |
| INTERNATIONAL-SEARCH-REPORT | WO2009011717 |
| OPPOSITION | EP0744435 |
| OPPOSITION | EP2535027 |
| OPPOSITION | US2009275470 |
| OPPOSITION | WO2006083584 |
| OPPOSITION | WO2010095427 |
| OPPOSITION | WO2011078298 |
| OPPOSITION | WO9526209 |
| OTHER | WO2012174026 |
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 27, 2020
Jun 18, 2020
Decision to grant a European patent
Search/Exam
Jun 9, 2020
(Electronic) Receipt
Search/Exam
Jun 9, 2020
English translation of the claims
Search/Exam
Jun 9, 2020
Filing of the translations of the claims
Search/Exam
Jun 9, 2020
French translation of claims
Search/Exam
Jun 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2020
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Intention to grant (signatures)
Search/Exam
Apr 8, 2020
Text intended for grant (clean copy)
Search/Exam
Apr 8, 2020
Nov 12, 2019
Nov 6, 2019
Nov 6, 2019
Jan 28, 2019
Submission concerning representation
Search/Exam
Jan 24, 2019
Jan 16, 2019
Jan 14, 2019
Jan 4, 2018
(Electronic) Receipt
Search/Exam
Jan 4, 2018
Amended claims with annotations
Search/Exam
Jan 4, 2018
Claims
Search/Exam
Jan 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 4, 2018
Sep 8, 2017
Annex to the communication
Search/Exam
Sep 8, 2017
Communication from the Examining Division
Search/Exam
May 15, 2017
(Electronic) Receipt
Search/Exam
May 15, 2017
Amended claims with annotations
Search/Exam
May 15, 2017
Amended description with annotations
Search/Exam
May 15, 2017
Claims
Search/Exam
May 15, 2017
Description
Search/Exam
May 15, 2017
Letter accompanying subsequently filed items
Search/Exam
May 15, 2017
Mar 16, 2017
Mar 13, 2017
(Electronic) Receipt
Search/Exam
Mar 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2017
Nov 17, 2016
Annex to the communication
Search/Exam
Nov 17, 2016
Communication from the Examining Division
Search/Exam
Jun 17, 2015
(Electronic) Receipt
Search/Exam
Jun 17, 2015
Jun 17, 2015
Amended claims with annotations
Search/Exam
Jun 17, 2015
Amendments received before examination
Search/Exam
Jun 17, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2014
Sep 2, 2014
Aug 26, 2014
(Electronic) Receipt
Search/Exam
Aug 26, 2014
Cover sheet for fax transmission
Search/Exam
Aug 26, 2014
Letter accompanying subsequently filed items
Search/Exam
Aug 26, 2014
Letter concerning the priority
Search/Exam
Aug 26, 2014
Aug 13, 2014
Invitation to file priority document
Search/Exam
Aug 13, 2014
Aug 12, 2014
Communication to designated inventor
Search/Exam
Aug 12, 2014
Communication to designated inventor
Search/Exam
Aug 12, 2014
Communication to designated inventor
Search/Exam
Aug 12, 2014
Communication to designated inventor
Search/Exam
Aug 12, 2014
Communication to designated inventor
Search/Exam
Jun 3, 2014
May 30, 2014
May 22, 2014
Observations by third parties
Search/Exam
Mar 28, 2014
Information on entry into European phase
Search/Exam
Mar 10, 2014
(Electronic) Receipt
Search/Exam
Mar 10, 2014
Priority search results
Search/Exam
Mar 10, 2014
Request for entry into the European phase
Search/Exam
Jul 25, 2013
Copy of the international search report
Search/Exam
Jul 25, 2013
Jun 4, 2013
Jun 4, 2013
Jun 4, 2013
May 23, 2013
Published international application - A2
Search/Exam
Nov 15, 2012
Priority document
Search/Exam
Nov 12, 2012
(Electronic) Receipt
PCTRO
Nov 12, 2012
Abstract
PCTRO
Nov 12, 2012
Claims
PCTRO
Nov 12, 2012
Description
PCTRO
Nov 12, 2012
Drawings
PCTRO