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The patent EP2007858 was granted to Shell Internationale Research Maatschappij on Mar 16, 2022. The application was filed on Apr 16, 2007 under application number EP07728134A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| CLARIANT PRODUKTE DEUTSCHLAND | Feb 16, 2020 | MIKULECKY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0885947 |
| INTERNATIONAL-SEARCH-REPORT | EP0885948 |
| INTERNATIONAL-SEARCH-REPORT | US2005005507 |
| INTERNATIONAL-SEARCH-REPORT | US6086645 |
| OPPOSITION | DE102005061465 |
| OPPOSITION | EP0061895 |
| OPPOSITION | EP1801187 |
| OPPOSITION | WO9503377 |
| OPPOSITION | WO9533805 |
| OPPOSITION | WO9842808 |
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.
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Description
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OPPO
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Jun 3, 2019
Apr 26, 2019
Decision to grant a European patent
Search/Exam
Mar 27, 2019
(Electronic) Receipt
Search/Exam
Mar 27, 2019
Filing of the translations of the claims
Search/Exam
Mar 27, 2019
French translation of claims
Search/Exam
Mar 27, 2019
German translation of the claims
Search/Exam
Jan 22, 2019
Jan 22, 2019
Jan 22, 2019
Intention to grant (signatures)
Search/Exam
Jan 22, 2019
Text intended for grant (clean copy)
Search/Exam
Jan 22, 2019
Dec 3, 2018
(Electronic) Receipt
Search/Exam
Dec 3, 2018
Amended description with annotations
Search/Exam
Dec 3, 2018
Description
Search/Exam
Dec 3, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 3, 2018
Sep 13, 2018
Sep 13, 2018
Sep 13, 2018
Intention to grant (signatures)
Search/Exam
Sep 13, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 13, 2018
Apr 11, 2018
(Electronic) Receipt
Search/Exam
Apr 11, 2018
Amended claims with annotations
Search/Exam
Apr 11, 2018
Claims
Search/Exam
Apr 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 11, 2018
Feb 20, 2018
Feb 9, 2018
Feb 6, 2018
Feb 5, 2018
Jan 31, 2018
(Electronic) Receipt
Search/Exam
Jan 31, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2018
Oct 5, 2017
Annex to the communication
Search/Exam
Oct 5, 2017
Communication from the Examining Division
Search/Exam
Mar 29, 2016
(Electronic) Receipt
Search/Exam
Mar 29, 2016
Amended claims with annotations
Search/Exam
Mar 29, 2016
Amended description with annotations
Search/Exam
Mar 29, 2016
Claims
Search/Exam
Mar 29, 2016
Description
Search/Exam
Mar 29, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2016
Jan 27, 2016
Jan 22, 2016
(Electronic) Receipt
Search/Exam
Jan 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2016
Sep 15, 2015
Annex to the communication
Search/Exam
Sep 15, 2015
Communication from the Examining Division
Search/Exam
Jan 29, 2014
Jun 10, 2013
(Electronic) Receipt
Search/Exam
Jun 10, 2013
Amended claims with annotations
Search/Exam
Jun 10, 2013
Claims
Search/Exam
Jun 10, 2013
Letter accompanying subsequently filed items
Search/Exam
Jun 10, 2013
Feb 13, 2013
Annex to the communication
Search/Exam
Feb 13, 2013
Communication from the Examining Division
Search/Exam
Jan 18, 2010
Dec 30, 2009
Sep 17, 2009
Description
Search/Exam
Sep 17, 2009
Sep 3, 2009
Description
Search/Exam
Sep 3, 2009
Letter accompanying subsequently filed items
Search/Exam
Sep 3, 2009
Jul 21, 2009
Jul 10, 2009
Jul 3, 2009
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2009
Feb 24, 2009
Annex to the communication
Search/Exam
Feb 24, 2009
Communication from the Examining Division
Search/Exam
Dec 3, 2008
Dec 2, 2008
Oct 29, 2008
Oct 29, 2008
Oct 14, 2008
(Electronic) Receipt
Search/Exam
Oct 14, 2008
Request for entry into the European phase
Search/Exam
Aug 29, 2008
Information on entry into European phase
Search/Exam
Jul 23, 2008
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Apr 7, 2008
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Apr 3, 2008
Free text
PCT2
Apr 2, 2008
Notification of election of EPO
Search/Exam
Mar 31, 2008
Mar 18, 2008
Annex
PCT2
Mar 18, 2008
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Feb 26, 2008
Feb 26, 2008
Feb 18, 2008
Feb 18, 2008
PCT demand form
PCT2
Nov 13, 2007
Oct 25, 2007
Copy of the international search report
Search/Exam
Oct 25, 2007
Published international application - A1
Search/Exam
Apr 16, 2007
Abstract
PCTRO
Apr 16, 2007
Claims
PCTRO
Apr 16, 2007
Description
PCTRO