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The patent EP2168676 was granted to Ineos Manufacturing Belgium on Jan 9, 2019. The application was filed on Nov 22, 2005 under application number EP10150092A. 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 |
|---|---|---|---|
| CHEVRON PHILLIPS CHEMICAL LP | Sep 26, 2019 | ABEL & IMRAY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0432555 |
| DESCRIPTION | EP0500944 |
| DESCRIPTION | EP0891990 |
| DESCRIPTION | US3152872 |
| DESCRIPTION | US3242150 |
| DESCRIPTION | US4613484 |
| EXAMINATION | WO2006056756 |
| EXAMINATION | WO2006056763 |
| OPPOSITION | EP1195388 |
| OPPOSITION | EP1415999 |
| OPPOSITION | US2003229187 |
| OPPOSITION | US3248179 |
| OPPOSITION | US3324093 |
| OPPOSITION | WO2004024781 |
| OPPOSITION | WO2006056761 |
| OPPOSITION | WO2006056763 |
| OTHER | WO2004024780 |
| SEARCH | EP0891990 |
| SEARCH | US6204344 |
| SEARCH | WO2004024780 |
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
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Jan 21, 2019
Dec 13, 2018
Decision to grant a European patent
Search/Exam
Nov 15, 2018
Decision to allow further processing
Search/Exam
Oct 30, 2018
(Electronic) Receipt
Search/Exam
Oct 30, 2018
French translation of claims
Search/Exam
Oct 30, 2018
German translation of the claims
Search/Exam
Oct 30, 2018
Request for further processing
Search/Exam
Sep 13, 2018
Mar 27, 2018
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Intention to grant (signatures)
Search/Exam
Mar 27, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 27, 2018
Nov 28, 2017
(Electronic) Receipt
Search/Exam
Nov 28, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 28, 2017
Jul 25, 2017
Annex to the communication
Search/Exam
Jul 25, 2017
Communication from the Examining Division
Search/Exam
Dec 4, 2015
Nov 25, 2015
(Electronic) Receipt
Search/Exam
Nov 25, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 25, 2015
Matter concerning the application
Search/Exam
Aug 12, 2015
Annex to the communication
Search/Exam
Aug 12, 2015
Communication from the Examining Division
Search/Exam
Dec 15, 2014
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Dec 5, 2014
(Electronic) Receipt
Search/Exam
Dec 5, 2014
Letter accompanying subsequently filed items
Search/Exam
Dec 5, 2014
Observations by third parties
Search/Exam
Jul 24, 2014
(Electronic) Receipt
Search/Exam
Jul 24, 2014
Amended claims with annotations
Search/Exam
Jul 24, 2014
Claims
Search/Exam
Jul 24, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2014
Mar 24, 2014
Annex to the communication
Search/Exam
Mar 24, 2014
Communication from the Examining Division
Search/Exam
Mar 14, 2013
(Electronic) Receipt
Search/Exam
Mar 14, 2013
Amended description with annotations
Search/Exam
Mar 14, 2013
Description
Search/Exam
Mar 14, 2013
Letter accompanying subsequently filed items
Search/Exam
Mar 14, 2013
Nov 14, 2012
Annex to the communication
Search/Exam
Nov 14, 2012
Communication from the Examining Division
Search/Exam
Aug 9, 2012
Submission concerning representation
Search/Exam
Aug 7, 2012
Submission concerning representation
Search/Exam
Jan 20, 2012
Dec 21, 2011
(Electronic) Receipt
Search/Exam
Dec 21, 2011
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2011
Dec 19, 2011
Submission concerning representation
Search/Exam
Oct 14, 2011
Oct 11, 2011
(Electronic) Receipt
Search/Exam
Oct 11, 2011
Letter accompanying subsequently filed items
Search/Exam
Jun 14, 2011
Annex to the communication
Search/Exam
Jun 14, 2011
Communication from the Examining Division
Search/Exam
Sep 21, 2010
(Electronic) Receipt
Search/Exam
Sep 21, 2010
Sep 21, 2010
Amended claims with annotations
Search/Exam
Sep 21, 2010
Amendments received before examination
Search/Exam
Sep 21, 2010
Letter accompanying subsequently filed items
Search/Exam
Apr 7, 2010
Mar 3, 2010
Notification of forthcoming publication
Search/Exam
Feb 19, 2010
Feb 19, 2010
European search opinion
Search/Exam
Feb 19, 2010
European search report
Search/Exam
Jan 5, 2010
Abstract
Search/Exam
Jan 5, 2010
Jan 5, 2010
Claims
Search/Exam
Jan 5, 2010
Description
Search/Exam
Jan 5, 2010
Designation of inventor
Search/Exam
Jan 5, 2010
Designation of inventor
Search/Exam
Jan 5, 2010
Designation of inventor
Search/Exam
Jan 5, 2010
Jun 22, 2006