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The patent EP1884356 was granted to EMS Patent on Apr 12, 2017. The application was filed on Jul 24, 2007 under application number EP07014527A. 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 |
|---|---|---|---|
| EVONIK DEGUSSA | Jan 12, 2018 | - | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP1452307 |
| OPPOSITION | EP1518901 |
| OPPOSITION | EP1884356 |
| OPPOSITION | WO2005075192 |
| SEARCH | DE69831239T |
| SEARCH | EP0922731 |
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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Aug 9, 2019
Aug 9, 2019
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Means of redress
OPPO
Apr 26, 2019
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Mar 26, 2019
Feb 12, 2019
Feb 7, 2019
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Claims
OPPO
Feb 7, 2019
Claims
OPPO
Feb 7, 2019
Claims
OPPO
Feb 7, 2019
Feb 7, 2019
Feb 4, 2019
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Apr 12, 2017
Mar 16, 2017
Decision to grant a European patent
Search/Exam
Mar 10, 2017
Submission concerning representation
Search/Exam
Feb 27, 2017
(Electronic) Receipt
Search/Exam
Feb 27, 2017
English translation of the claims
Search/Exam
Feb 27, 2017
Filing of the translations of the claims
Search/Exam
Feb 27, 2017
French translation of claims
Search/Exam
Feb 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 1, 2016
Dec 1, 2016
Dec 1, 2016
Intention to grant (signatures)
Search/Exam
Dec 1, 2016
Text intended for grant (clean copy)
Search/Exam
Dec 1, 2016
Jul 12, 2016
Payment of fees and costs
Search/Exam
Jul 12, 2016
Payment of fees and costs
Search/Exam
Jul 13, 2015
Payment of fees and costs
Search/Exam
Jul 13, 2015
Payment of fees and costs
Search/Exam
Sep 1, 2014
(Electronic) Receipt
Search/Exam
Sep 1, 2014
Amended description with annotations
Search/Exam
Sep 1, 2014
Description
Search/Exam
Sep 1, 2014
Letter accompanying subsequently filed items
Search/Exam
Sep 1, 2014
Jul 16, 2014
Payment of fees and costs
Search/Exam
Jul 16, 2014
Payment of fees and costs
Search/Exam
Apr 29, 2014
Annex to the communication
Search/Exam
Apr 29, 2014
Communication from the Examining Division
Search/Exam
Jul 15, 2013
Payment of fees and costs
Search/Exam
Jul 15, 2013
Payment of fees and costs
Search/Exam
Sep 16, 2011
Amended claims with annotations
Search/Exam
Sep 16, 2011
Claims
Search/Exam
Sep 16, 2011
Description
Search/Exam
Sep 16, 2011
Sep 13, 2011
(Electronic) Receipt
Search/Exam
Sep 13, 2011
Amended claims with annotations
Search/Exam
Sep 13, 2011
Claims
Search/Exam
Sep 13, 2011
Description
Search/Exam
Sep 13, 2011
Letter accompanying subsequently filed items
Search/Exam
Sep 13, 2011
May 6, 2011
Annex to the communication
Search/Exam
May 6, 2011
Communication from the Examining Division
Search/Exam
May 20, 2010
May 4, 2010
May 4, 2010
Apr 23, 2010
Apr 19, 2010
Authorisation
Search/Exam
Apr 19, 2010
Apr 14, 2010
Authorisation
Search/Exam
Apr 14, 2010
Apr 8, 2010
Aug 27, 2008
Claims
Search/Exam
Aug 27, 2008
Claims
Search/Exam
Aug 27, 2008
May 28, 2008
Communication from the Examining Division
Search/Exam
Apr 23, 2008
Refund order of filing/examination fee
Search/Exam
Mar 26, 2008
Letter concerning fees and payments
Search/Exam
Feb 11, 2008
Jan 9, 2008
Notification of forthcoming publication
Search/Exam
Sep 12, 2007
Sep 12, 2007
European search opinion
Search/Exam
Sep 12, 2007
European search report
Search/Exam
Aug 6, 2007
Letter concerning the priority
Search/Exam
Aug 6, 2007
Letter concerning the priority
Search/Exam
Aug 6, 2007
Request for grant of a European patent
Search/Exam
Jul 24, 2007
Abstract
Search/Exam
Jul 24, 2007
Claims
Search/Exam
Jul 24, 2007
Description
Search/Exam
Jul 24, 2007
Designation of inventor
Search/Exam
Jul 24, 2007
Matter concerning the application
Search/Exam
Jul 24, 2007
Priority document
Search/Exam
Jul 24, 2007
Request for grant of a European patent
Search/Exam