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The patent EP2134452 was granted to Rhodia Operations on May 17, 2017. The application was filed on Feb 28, 2008 under application number EP08717211A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| INFINEUM | Feb 13, 2018 | UEXKULL & STOLBERG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1493484 |
| DESCRIPTION | FR2797199 |
| DESCRIPTION | FR2833862 |
| DESCRIPTION | WO2006078761 |
| DESCRIPTION | WO2007085561 |
| DESCRIPTION | WO9719022 |
| INTERNATIONAL-SEARCH-REPORT | EP1411108 |
| INTERNATIONAL-SEARCH-REPORT | EP1493484 |
| INTERNATIONAL-SEARCH-REPORT | FR2797199 |
| INTERNATIONAL-SEARCH-REPORT | FR2833862 |
| INTERNATIONAL-SEARCH-REPORT | WO0034632 |
| INTERNATIONAL-SEARCH-REPORT | WO2006078761 |
| INTERNATIONAL-SEARCH-REPORT | WO2007085561 |
| INTERNATIONAL-SEARCH-REPORT | WO9719022 |
| OPPOSITION | EP1493484 |
| OPPOSITION | FR2797199 |
| OPPOSITION | FR2833862 |
| OPPOSITION | FR2849672 |
| OPPOSITION | US2006144039 |
| OPPOSITION | US2014048029 |
| OPPOSITION | US6767526 |
| OPPOSITION | WO2006078761 |
| OPPOSITION | WO9719022 |
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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OPPO
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Description
OPPO
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Jan 17, 2022
Jan 5, 2022
Dec 21, 2021
(Electronic) Receipt
Appeal
Dec 21, 2021
Dec 21, 2021
Nov 25, 2021
Nov 22, 2021
(Electronic) Receipt
Appeal
Nov 22, 2021
(Electronic) Receipt
Appeal
Nov 22, 2021
Nov 22, 2021
Nov 22, 2021
Nov 22, 2021
Nov 18, 2021
Nov 18, 2021
Nov 17, 2021
Nov 12, 2021
Nov 11, 2021
(Electronic) Receipt
Appeal
Nov 11, 2021
Nov 11, 2021
Nov 9, 2021
(Electronic) Receipt
Appeal
Nov 9, 2021
Nov 9, 2021
Oct 12, 2021
Oct 12, 2021
May 26, 2021
(Electronic) Receipt
Appeal
May 26, 2021
Advice of delivery
Appeal
May 26, 2021
May 25, 2021
Advice of delivery
Appeal
May 18, 2021
May 18, 2021
May 18, 2021
May 18, 2021
May 12, 2021
May 12, 2021
Oct 29, 2020
Oct 29, 2020
Oct 16, 2020
Oct 14, 2020
Aug 4, 2020
Aug 4, 2020
Jul 29, 2020
(Electronic) Receipt
Appeal
Jul 29, 2020
(Electronic) Receipt
Appeal
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Reply to appeal
Appeal
Jul 29, 2020
Reply to appeal
Appeal
Mar 19, 2020
Mar 19, 2020
Mar 16, 2020
(Electronic) Receipt
Appeal
Mar 16, 2020
Mar 16, 2020
Claims
Appeal
Mar 16, 2020
Claims
Appeal
Mar 16, 2020
Mar 16, 2020
Mar 13, 2020
(Electronic) Receipt
Appeal
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Jan 15, 2020
Jan 15, 2020
Jan 15, 2020
Jan 15, 2020
Jan 15, 2020
Jan 10, 2020
(Electronic) Receipt
Appeal
Jan 10, 2020
Jan 10, 2020
Notice of appeal
Appeal
Dec 20, 2019
(Electronic) Receipt
Appeal
Dec 20, 2019
Dec 20, 2019
Notice of appeal
Appeal
Dec 19, 2019
Dec 19, 2019
Dec 19, 2019
Dec 11, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Nov 13, 2019
Nov 13, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Means of redress
OPPO
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Nov 6, 2019
Jun 14, 2019
Jun 14, 2019
Jun 7, 2019
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Feb 28, 2019
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Feb 28, 2019
Dec 11, 2018
Oct 10, 2018
Oct 8, 2018
Oct 4, 2018
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Oct 4, 2018
Oct 4, 2018
Oct 4, 2018
Oct 4, 2018
Jul 20, 2018
Jul 15, 2018
Jul 15, 2018
Jul 15, 2018
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Claims
OPPO
Jul 15, 2018
Claims
OPPO
Jul 15, 2018
Jul 15, 2018
Mar 6, 2018
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Feb 21, 2018
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Feb 13, 2018
May 17, 2017
Apr 21, 2017
Decision to grant a European patent
Search/Exam
Apr 6, 2017
(Electronic) Receipt
Search/Exam
Apr 6, 2017
English translation of the claims
Search/Exam
Apr 6, 2017
Filing of the translations of the claims
Search/Exam
Apr 6, 2017
German translation of the claims
Search/Exam
Apr 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 20, 2017
Jan 20, 2017
Jan 20, 2017
Intention to grant (signatures)
Search/Exam
Jan 20, 2017
Text intended for grant (clean copy)
Search/Exam
Jan 20, 2017
Aug 24, 2015
Decision to allow further processing
Search/Exam
Aug 6, 2015
(Electronic) Receipt
Search/Exam
Aug 6, 2015
Amended claims with annotations
Search/Exam
Aug 6, 2015
Claims
Search/Exam
Aug 6, 2015
Letter accompanying subsequently filed items
Search/Exam
Aug 6, 2015
Jun 1, 2015
Mar 26, 2015
Feb 9, 2015
Letter accompanying subsequently filed items
Search/Exam
Feb 9, 2015
Dec 22, 2014
Annex to the communication
Search/Exam
Dec 22, 2014
Communication from the Examining Division
Search/Exam
Oct 22, 2010
Claims
Search/Exam
Oct 22, 2010
Oct 21, 2010
Claims
Search/Exam
Oct 21, 2010
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2010
Aug 23, 2010
Aug 13, 2010
Apr 23, 2010
Annex to the communication
Search/Exam
Apr 23, 2010
Communication from the Examining Division
Search/Exam
Dec 22, 2009
Letter accompanying subsequently filed items
Search/Exam
Dec 22, 2009
Letter concerning the inventor
Search/Exam
Dec 14, 2009
Dec 7, 2009
Letter which had not been notified
Search/Exam
Nov 25, 2009
Nov 11, 2009
Oct 22, 2009
Sep 23, 2009
Sep 18, 2009
(Electronic) Receipt
Search/Exam
Sep 18, 2009
Request for entry into the European phase
Search/Exam
Jul 16, 2009
Information on entry into European phase
Search/Exam
Oct 14, 2008
Sep 12, 2008
Copy of the international search report
Search/Exam
Sep 12, 2008
Copy of the international search report
Search/Exam
Sep 12, 2008
Published international application - A1
Search/Exam
Feb 28, 2008
(Electronic) Receipt
PCTRO
Feb 28, 2008
Abstract
PCTRO
Feb 28, 2008
Claims
PCTRO
Feb 28, 2008
Description
PCTRO
Feb 28, 2008