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The patent EP2384260 was granted to Saint Gobain on Jul 4, 2018. The application was filed on Dec 23, 2009 under application number EP09837040A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| AUGUST RUGGEBERG | Mar 22, 2019 | RAU | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US3619151 |
| DESCRIPTION | US3838543 |
| DESCRIPTION | US4918116 |
| DESCRIPTION | US5203886 |
| DESCRIPTION | US5221294 |
| DESCRIPTION | US5429648 |
| DESCRIPTION | US5738696 |
| DESCRIPTION | US5738697 |
| DESCRIPTION | US6685755 |
| DESCRIPTION | US6755729 |
| INTERNATIONAL-SEARCH-REPORT | US3868793 |
| INTERNATIONAL-SEARCH-REPORT | US4164098 |
| INTERNATIONAL-SEARCH-REPORT | US6609964 |
| OPPOSITION | AT194274B |
| OPPOSITION | DE202007019685U |
| OPPOSITION | DE3819199 |
| OPPOSITION | EP0657251 |
| OPPOSITION | EP1611998 |
| OPPOSITION | FR2898070 |
| OPPOSITION | US3838543 |
| OPPOSITION | US3868793 |
| OPPOSITION | US4164098 |
| OPPOSITION | WO2006042352 |
| OPPOSITION | WO9808655 |
| OTHER | WO2010078191 |
| SEARCH | FR2898070 |
| SEARCH | US3838543 |
| SEARCH | US3868793 |
| SEARCH | US4164098 |
| SEARCH | WO9808655 |
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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Dec 19, 2025
(Electronic) Receipt
Appeal
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Decision to grant a European patent
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(Electronic) Receipt
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French translation of claims
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May 28, 2018
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Letter accompanying subsequently filed items
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Jan 30, 2017
Consultation by telephone/in person
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Oct 31, 2016
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Oct 31, 2016
Letter accompanying subsequently filed items
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Oct 31, 2016
Observations by third parties
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Feb 22, 2016
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Feb 22, 2016
Amended claims with annotations
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Feb 22, 2016
Claims
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Feb 22, 2016
Description
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Feb 22, 2016
Letter accompanying subsequently filed items
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Feb 22, 2016
Dec 14, 2015
Annex to the communication
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Dec 14, 2015
Communication from the Examining Division
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Apr 16, 2015
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Apr 16, 2015
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Amended claims with annotations
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Apr 16, 2015
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Apr 16, 2015
Letter accompanying subsequently filed items
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Mar 11, 2015
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Submission concerning representation
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Dec 4, 2014
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European search opinion
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Nov 17, 2014
Supplementary European search report
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Nov 4, 2014
Search started
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Jun 5, 2014
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May 30, 2014
May 27, 2014
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May 27, 2014
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Jan 22, 2014
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Letter accompanying subsequently filed items
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Feb 13, 2012
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Feb 13, 2012
Letter accompanying subsequently filed items
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Feb 13, 2012
Letter concerning the inventor
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Oct 31, 2011
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Letter which had not been notified
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(Electronic) Receipt
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Jul 18, 2011
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Request for entry into the European phase
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May 13, 2011
Information on entry into European phase
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Oct 28, 2010
Copy of the international search report
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Oct 28, 2010
Jul 28, 2010
Jul 8, 2010
Published international application - A2
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