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The patent EP2843011 was granted to Esmalglass on May 2, 2018. The application was filed on Apr 8, 2013 under application number EP13781500A. 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 |
|---|---|---|---|
| FERRO | Jan 31, 2019 | UNGRIA LOPEZ | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2085225 |
| DESCRIPTION | WO2006027212 |
| DESCRIPTION | WO9946126 |
| EXAMINATION | ES2386267 |
| EXAMINATION | US5407474 |
| EXAMINATION | WO2005052071 |
| EXAMINATION | WO2006134063 |
| EXAMINATION | WO2009150132 |
| INTERNATIONAL-SEARCH-REPORT | ES2368108T |
| INTERNATIONAL-SEARCH-REPORT | ES2384269T |
| INTERNATIONAL-SEARCH-REPORT | US2008210122 |
| OPPOSITION | ES2182680 |
| OPPOSITION | ES2386267 |
| OPPOSITION | JP4234279B |
| OPPOSITION | WO2005052071 |
| OPPOSITION | WO2009150132 |
| OPPOSITION | WO9215648 |
| OTHER | ES2386267 |
| OTHER | US5407474 |
| OTHER | WO2005052071 |
| OTHER | WO2006134063 |
| OTHER | WO2009150132 |
| OTHER | WO9215648 |
| SEARCH | EP2083052 |
| SEARCH | KR20040022804 |
| SEARCH | US2007084379 |
| SEARCH | US2010277548 |
| SEARCH | US2011232524 |
| SEARCH | US6746527 |
| SEARCH | WO03076521 |
| SEARCH | WO2005052071 |
| SEARCH | WO2008084042 |
| SEARCH | WO2012035226 |
| SEARCH | WO9215648 |
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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Decision to grant a European patent
Search/Exam
Mar 23, 2018
(Electronic) Receipt
Search/Exam
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(Electronic) Receipt
Search/Exam
Mar 23, 2018
French translation of claims
Search/Exam
Mar 23, 2018
German translation of the claims
Search/Exam
Mar 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2018
Letter concerning fees and payments
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Mar 23, 2018
Letter concerning fees and payments
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Letter concerning fees and payments
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Mar 23, 2018
Letter concerning fees and payments
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Jan 3, 2018
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Intention to grant (signatures)
Search/Exam
Jan 3, 2018
Text intended for grant (clean copy)
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Jan 3, 2018
Sep 29, 2017
(Electronic) Receipt
Search/Exam
Sep 29, 2017
Amended description with annotations
Search/Exam
Sep 29, 2017
Description
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Sep 29, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 29, 2017
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Citation filed by a third party
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Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Aug 11, 2017
Observations by third parties
Search/Exam
May 30, 2017
Annex to the communication
Search/Exam
May 30, 2017
Communication from the Examining Division
Search/Exam
Apr 25, 2017
Letter concerning fees and payments
Search/Exam
Apr 25, 2017
Letter concerning fees and payments
Search/Exam
Apr 25, 2017
Letter concerning fees and payments
Search/Exam
Apr 25, 2017
Payment of fees and costs
Search/Exam
Apr 25, 2017
Payment of fees and costs
Search/Exam
Feb 23, 2017
(Electronic) Receipt
Search/Exam
Feb 23, 2017
Amended claims with annotations
Search/Exam
Feb 23, 2017
Claims
Search/Exam
Feb 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 23, 2017
Oct 17, 2016
Annex to the communication
Search/Exam
Oct 17, 2016
Communication from the Examining Division
Search/Exam
Jul 7, 2016
(Electronic) Receipt
Search/Exam
Jul 7, 2016
Amended claims with annotations
Search/Exam
Jul 7, 2016
Amended claims with annotations
Search/Exam
Jul 7, 2016
Claims
Search/Exam
Jul 7, 2016
Claims
Search/Exam
Jul 7, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 7, 2016
Apr 12, 2016
Letter concerning fees and payments
Search/Exam
Apr 12, 2016
Letter concerning fees and payments
Search/Exam
Apr 12, 2016
Letter concerning fees and payments
Search/Exam
Apr 12, 2016
Payment of fees and costs
Search/Exam
Mar 9, 2016
Annex to the communication
Search/Exam
Mar 9, 2016
Communication from the Examining Division
Search/Exam
Feb 18, 2016
(Electronic) Receipt
Search/Exam
Feb 18, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2016
Priority search results
Search/Exam
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(Electronic) Receipt
Search/Exam
Jan 29, 2016
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Amended claims with annotations
Search/Exam
Jan 29, 2016
Amended claims with annotations
Search/Exam
Jan 29, 2016
Amendments received before examination
Search/Exam
Jan 29, 2016
Letter accompanying subsequently filed items
Search/Exam
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(Electronic) Receipt
Search/Exam
Dec 11, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2015
Non-patent literature filed by a third party
Search/Exam
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Non-patent literature filed by a third party
Search/Exam
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Non-patent literature filed by a third party
Search/Exam
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Observations by third parties
Search/Exam
Dec 11, 2015
Patent document filed by a Third party
Search/Exam
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Patent document filed by a Third party
Search/Exam
Dec 11, 2015
Patent document filed by a Third party
Search/Exam
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Patent document filed by a Third party
Search/Exam
Dec 11, 2015
Patent document filed by a Third party
Search/Exam
Sep 11, 2015
Aug 26, 2015
Aug 26, 2015
European search opinion
Search/Exam
Aug 26, 2015
Supplementary European search report
Search/Exam
Aug 18, 2015
Search started
Search/Exam
Jun 24, 2015
Jun 16, 2015
Non-patent literature filed by a third party
Search/Exam
Jun 16, 2015
Non-patent literature filed by a third party
Search/Exam
Jun 16, 2015
Observations by third parties
Search/Exam
Jun 16, 2015
Patent document filed by a Third party
Search/Exam
Jun 16, 2015
Patent document filed by a Third party
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Jun 16, 2015
Patent document filed by a Third party
Search/Exam
Jun 16, 2015
Patent document filed by a Third party
Search/Exam
Apr 21, 2015
Letter concerning fees and payments
Search/Exam
Apr 21, 2015
Letter concerning fees and payments
Search/Exam
Apr 21, 2015
Payment of fees and costs
Search/Exam
Apr 21, 2015
Payment of fees and costs
Search/Exam
Feb 4, 2015
Notification of forthcoming publication
Search/Exam
Dec 2, 2014
Nov 28, 2014
Communication to designated inventor
Search/Exam
Nov 28, 2014
Communication to designated inventor
Search/Exam
Nov 28, 2014
Communication to designated inventor
Search/Exam
Nov 28, 2014
Communication to designated inventor
Search/Exam
Nov 28, 2014
Communication to designated inventor
Search/Exam
Nov 12, 2014
Oct 28, 2014
May 28, 2014
Refund of fees
Search/Exam
May 14, 2014
Annex
Search/Exam
May 14, 2014
May 14, 2014
Matter concerning the application
Search/Exam
Apr 30, 2014
Jan 9, 2014
Information regarding early processing
Search/Exam
Dec 3, 2013
Abstract
Search/Exam
Dec 3, 2013
Authorisation
Search/Exam
Dec 3, 2013
Claims
Search/Exam
Dec 3, 2013
Description
Search/Exam
Dec 3, 2013
Letter concerning fees and payments
Search/Exam
Dec 3, 2013
Matter concerning the application
Search/Exam
Dec 3, 2013
Payment of fees and costs
Search/Exam
Dec 3, 2013
Request for entry into the European phase
Search/Exam
Nov 26, 2013
Nov 19, 2013
Abstract
Search/Exam
Nov 19, 2013
Authorisation
Search/Exam
Nov 19, 2013
Claims
Search/Exam
Nov 19, 2013
Description
Search/Exam
Nov 19, 2013
Letter concerning fees and payments
Search/Exam
Nov 19, 2013
Matter concerning the application
Search/Exam
Nov 19, 2013
Payment of fees and costs
Search/Exam
Nov 19, 2013
Request for entry into the European phase
Search/Exam
Oct 31, 2013
Copy of the international search report
Search/Exam
Oct 31, 2013