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The patent EP2573092 was granted to DOW Corning on Mar 29, 2017. The application was filed on Apr 11, 2012 under application number EP12163816A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 OPERATIONS | Dec 14, 2017 | - | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US3769244 |
| DESCRIPTION | US4465867 |
| DESCRIPTION | US4465868 |
| DESCRIPTION | US4524104 |
| DESCRIPTION | US5811479 |
| DESCRIPTION | US6071995 |
| DESCRIPTION | US6900263 |
| DESCRIPTION | US6903155 |
| DESCRIPTION | US7078449 |
| DESCRIPTION | US7186776 |
| DESCRIPTION | US7256233 |
| DESCRIPTION | US7300970 |
| DESCRIPTION | US7629408 |
| DESCRIPTION | US7718717 |
| DESCRIPTION | WO2010000478 |
| DESCRIPTION | WO2010125123 |
| DESCRIPTION | WO2010125124 |
| OPPOSITION | EP0483479 |
| OPPOSITION | EP0483480 |
| OPPOSITION | EP0900801 |
| OPPOSITION | EP1666449 |
| OPPOSITION | US2002115878 |
| OPPOSITION | WO2005103061 |
| OPPOSITION | WO2010000479 |
| SEARCH | EP1666449 |
| SEARCH | WO2005103061 |
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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Sep 20, 2019
Sep 20, 2019
Sep 17, 2019
Jun 21, 2019
Jun 21, 2019
Jun 18, 2019
Jun 13, 2019
Jun 6, 2019
Jun 6, 2019
Jun 6, 2019
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Means of redress
OPPO
Apr 9, 2019
Apr 9, 2019
Apr 5, 2019
Apr 5, 2019
Feb 19, 2019
Feb 7, 2019
Feb 4, 2019
Feb 4, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
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Jan 31, 2019
Jan 25, 2019
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Oct 15, 2018
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Sep 27, 2018
Sep 27, 2018
Sep 27, 2018
Jun 13, 2018
May 28, 2018
May 23, 2018
May 23, 2018
May 23, 2018
May 23, 2018
Claims
OPPO
May 23, 2018
Claims
OPPO
May 23, 2018
May 23, 2018
Jan 16, 2018
Jan 16, 2018
Dec 19, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Oct 24, 2017
Submission concerning representation
Search/Exam
Sep 19, 2017
Sep 7, 2017
Mar 29, 2017
Mar 16, 2017
Mar 8, 2017
Mar 2, 2017
Decision to grant a European patent
Search/Exam
Feb 16, 2017
(Electronic) Receipt
Search/Exam
Feb 16, 2017
Filing of the translations of the claims
Search/Exam
Feb 16, 2017
French translation of claims
Search/Exam
Feb 16, 2017
German translation of the claims
Search/Exam
Feb 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 20, 2016
Oct 20, 2016
Oct 20, 2016
Intention to grant (signatures)
Search/Exam
Oct 20, 2016
Text intended for grant (clean copy)
Search/Exam
Oct 20, 2016
Jul 1, 2016
(Electronic) Receipt
Search/Exam
Jul 1, 2016
Amended description with annotations
Search/Exam
Jul 1, 2016
Description
Search/Exam
Jul 1, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2016
Apr 25, 2016
Apr 18, 2016
(Electronic) Receipt
Search/Exam
Apr 18, 2016
Feb 23, 2016
Annex to the communication
Search/Exam
Feb 23, 2016
Communication from the Examining Division
Search/Exam
Nov 10, 2015
(Electronic) Receipt
Search/Exam
Nov 10, 2015
Amended claims with annotations
Search/Exam
Nov 10, 2015
Claims
Search/Exam
Nov 10, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 10, 2015
Sep 23, 2015
Sep 16, 2015
(Electronic) Receipt
Search/Exam
Sep 16, 2015
Letter accompanying subsequently filed items
Search/Exam
Sep 16, 2015
May 15, 2015
Annex to the communication
Search/Exam
May 15, 2015
Communication from the Examining Division
Search/Exam
Feb 2, 2015
(Electronic) Receipt
Search/Exam
Feb 2, 2015
Amended claims with annotations
Search/Exam
Feb 2, 2015
Amended description with annotations
Search/Exam
Feb 2, 2015
Claims
Search/Exam
Feb 2, 2015
Description
Search/Exam
Feb 2, 2015
Letter accompanying subsequently filed items
Search/Exam
Feb 2, 2015
Sep 25, 2014
Annex to the communication
Search/Exam
Sep 25, 2014
Communication from the Examining Division
Search/Exam
Jul 11, 2014
(Electronic) Receipt
Search/Exam
Jul 11, 2014
Amended claims with annotations
Search/Exam
Jul 11, 2014
Claims
Search/Exam
Jul 11, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 11, 2014
Mar 4, 2014
Annex to the communication
Search/Exam
Mar 4, 2014
Communication from the Examining Division
Search/Exam
Feb 25, 2014
Examination started
Search/Exam
Oct 23, 2013
Communication to designated inventor
Search/Exam
Oct 16, 2013
(Electronic) Receipt
Search/Exam
Oct 16, 2013
Designation of inventor
Search/Exam
Oct 16, 2013
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2013
(Electronic) Receipt
Search/Exam
Sep 27, 2013
Sep 27, 2013
Amended claims with annotations
Search/Exam
Sep 27, 2013
Amendments received before examination
Search/Exam
Sep 27, 2013
Letter accompanying subsequently filed items
Search/Exam
Apr 11, 2013
Letter concerning the priority
Search/Exam
Apr 11, 2013
Apr 11, 2013
Apr 11, 2013
Non-scannable object
Search/Exam
Apr 11, 2013
Priority document
Search/Exam
Apr 11, 2013
Priority document
Search/Exam
Apr 3, 2013
Mar 7, 2013
Invitation to file priority document
Search/Exam
Feb 27, 2013
Notification of forthcoming publication
Search/Exam
Feb 8, 2013
Communication to designated inventor
Search/Exam
Feb 8, 2013
Communication to designated inventor
Search/Exam
Feb 8, 2013
Communication to designated inventor
Search/Exam
Jan 18, 2013
(Electronic) Receipt
Search/Exam
Jan 18, 2013
Designation of inventor
Search/Exam
Jan 18, 2013
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2012
Dec 19, 2012
European search opinion
Search/Exam
Dec 19, 2012
European search report
Search/Exam
Dec 14, 2012
Priority search results copy provided by EPO
Search/Exam
May 11, 2012
Deficiency in designation of inventor
Search/Exam
Apr 11, 2012
Abstract
Search/Exam
Apr 11, 2012
Apr 11, 2012
Claims
Search/Exam
Apr 11, 2012
Description
Search/Exam
Apr 11, 2012
Request for grant of a European patent
Search/Exam