The weekly litigation news digest is live. Subscribe now
The patent EP2222793 was granted to Grace on Oct 11, 2017. The application was filed on Nov 19, 2008 under application number EP08852905A. 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 |
|---|---|---|---|
| NOURYON CHEMICALS | Jul 11, 2018 | INGRASSIA | ADMISSIBLE |
| NOURYON CHEMICALS | Jul 11, 2018 | LKGLOBAL UK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE10238463 |
| EXAMINATION | WO0020221 |
| INTERNATIONAL-SEARCH-REPORT | EP0412686 |
| INTERNATIONAL-SEARCH-REPORT | EP0760387 |
| INTERNATIONAL-SEARCH-REPORT | US2005065269 |
| OPPOSITION | DE10238463 |
| OPPOSITION | EP0412686 |
| OPPOSITION | EP0760387 |
| OPPOSITION | EP1050603 |
| OPPOSITION | FR2239285 |
| OPPOSITION | US2005020746 |
| OPPOSITION | US2005065269 |
| OPPOSITION | US3764355 |
| OPPOSITION | US4243416 |
| OPPOSITION | US4643769 |
| OPPOSITION | US4687595 |
| OPPOSITION | US6565619 |
| OPPOSITION | WO2005035676 |
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
Get instant alerts for new documents
Mar 25, 2020
Mar 25, 2020
Mar 20, 2020
Dec 11, 2019
Dec 9, 2019
Dec 9, 2019
Dec 9, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Means of redress
OPPO
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Nov 12, 2019
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Sep 11, 2019
Sep 11, 2019
Claims
OPPO
Sep 11, 2019
Claims
OPPO
Sep 11, 2019
Claims
OPPO
Sep 11, 2019
Sep 11, 2019
Sep 6, 2019
Sep 5, 2019
Sep 4, 2019
Sep 4, 2019
Aug 30, 2019
Aug 30, 2019
Aug 30, 2019
Aug 30, 2019
Aug 30, 2019
Aug 30, 2019
Aug 8, 2019
Aug 8, 2019
Jul 12, 2019
Jul 12, 2019
Jul 12, 2019
Jul 12, 2019
Apr 8, 2019
Apr 1, 2019
Mar 28, 2019
Mar 26, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Nov 28, 2018
Nov 21, 2018
Nov 21, 2018
Claims
OPPO
Nov 21, 2018
Nov 21, 2018
Aug 6, 2018
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
Jul 25, 2018
Jul 25, 2018
Jul 19, 2018
Jul 19, 2018
Jul 11, 2018
Jul 11, 2018
Jul 11, 2018
Oct 19, 2017
Sep 14, 2017
Decision to grant a European patent
Search/Exam
Aug 31, 2017
(Electronic) Receipt
Search/Exam
Aug 31, 2017
Filing of the translations of the claims
Search/Exam
Aug 31, 2017
French translation of claims
Search/Exam
Aug 31, 2017
German translation of the claims
Search/Exam
Aug 31, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 27, 2017
Jun 22, 2017
Apr 28, 2017
Apr 28, 2017
Apr 28, 2017
Intention to grant (signatures)
Search/Exam
Apr 28, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 28, 2017
Mar 17, 2017
(Electronic) Receipt
Search/Exam
Mar 17, 2017
Amended claims with annotations
Search/Exam
Mar 17, 2017
Amended description with annotations
Search/Exam
Mar 17, 2017
Claims
Search/Exam
Mar 17, 2017
Description
Search/Exam
Mar 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 17, 2017
Mar 17, 2017
Nov 18, 2016
Annex to the communication
Search/Exam
Nov 18, 2016
Communication from the Examining Division
Search/Exam
Apr 8, 2016
(Electronic) Receipt
Search/Exam
Apr 8, 2016
Amended claims with annotations
Search/Exam
Apr 8, 2016
Claims
Search/Exam
Apr 8, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2016
Apr 1, 2016
Submission concerning representation
Search/Exam
Feb 22, 2016
Feb 11, 2016
Oct 12, 2015
Annex to the communication
Search/Exam
Oct 12, 2015
Communication from the Examining Division
Search/Exam
May 8, 2015
Sep 29, 2011
Decision to allow further processing
Search/Exam
Sep 14, 2011
Amended claims with annotations
Search/Exam
Sep 14, 2011
Claims
Search/Exam
Sep 14, 2011
Request for further processing
Search/Exam
Jul 18, 2011
May 19, 2011
May 4, 2011
Mar 4, 2011
Feb 24, 2011
Oct 29, 2010
Annex to the communication
Search/Exam
Oct 29, 2010
Communication from the Examining Division
Search/Exam
Aug 4, 2010
Jul 8, 2010
Jun 10, 2010
Jun 4, 2010
Jun 4, 2010
Amendments received before examination
Search/Exam
Jun 4, 2010
Request for entry into the European phase
Search/Exam
Apr 6, 2010
Information on entry into European phase
Search/Exam
Aug 6, 2009
Copy of the international search report
Search/Exam
Aug 6, 2009
Jun 17, 2009
Jun 4, 2009
Jun 4, 2009
Jun 4, 2009
May 28, 2009
Published international application - A2
Search/Exam
Nov 28, 2008
Abstract
PCTRO
Nov 28, 2008
Claims
PCTRO
Nov 28, 2008
Description
PCTRO