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The patent EP3240655 was granted to Saint Gobain on Sep 28, 2022. The application was filed on Dec 30, 2015 under application number EP15876300A. 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 |
|---|---|---|---|
| IMERTECH | Jun 28, 2023 | POLS | ADMISSIBLE |
| IMERTECH | Jun 28, 2023 | SCHOLLHAMMER | ADMISSIBLE |
| MULLER BORE & PARTNER PATENTANWALTE PARTG MBB | Jun 15, 2023 | MULLER BORE & PARTNER PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2000198073 |
| DESCRIPTION | JPH05320623 |
| DESCRIPTION | JPH0890427 |
| DESCRIPTION | US2009098365 |
| DESCRIPTION | US2011083374 |
| DESCRIPTION | US2012167481 |
| DESCRIPTION | US2013236725 |
| DESCRIPTION | US4744802 |
| DESCRIPTION | US5035723 |
| DESCRIPTION | US5215551 |
| EXAMINATION | JPH0890427 |
| EXAMINATION | US4744802 |
| EXAMINATION | US5035723 |
| EXAMINATION | US5215551 |
| INTERNATIONAL-SEARCH-REPORT | US2007249482 |
| INTERNATIONAL-SEARCH-REPORT | US2009098365 |
| INTERNATIONAL-SEARCH-REPORT | US2011083374 |
| INTERNATIONAL-SEARCH-REPORT | US4881951 |
| INTERNATIONAL-SEARCH-REPORT | US5516348 |
| OPPOSITION | EP0554908 |
| OPPOSITION | EP2123603 |
| OPPOSITION | EP2860219 |
| OPPOSITION | EP3240656 |
| OPPOSITION | JP2000198073 |
| OPPOSITION | JPH05320623 |
| OPPOSITION | JPH0890427 |
| OPPOSITION | US2003110706 |
| OPPOSITION | US2003126803 |
| OPPOSITION | US2004148870 |
| OPPOSITION | US2009098365 |
| OPPOSITION | US2011083374 |
| OPPOSITION | US2013074418 |
| OPPOSITION | US2013148870 |
| OPPOSITION | US2013337725 |
| OPPOSITION | US2014033617 |
| OPPOSITION | US2014106126 |
| OPPOSITION | US2014311472 |
| OPPOSITION | US2014337725 |
| OPPOSITION | US4744802 |
| OPPOSITION | US5035723 |
| OPPOSITION | US5215551 |
| OPPOSITION | US6287353 |
| OPPOSITION | WO2013187303 |
| OPPOSITION | WO9906500 |
| OTHER | JP2000198073 |
| OTHER | JPH05320623 |
| OTHER | JPH0890427 |
| OTHER | US4744802 |
| OTHER | US5035723 |
| OTHER | US5215551 |
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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Oct 8, 2025
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Appeal
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Decision to grant a European patent
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Aug 23, 2022
Filing of the translations of the claims
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Aug 23, 2022
French translation of claims
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Aug 23, 2022
German translation of the claims
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Aug 23, 2022
Letter accompanying subsequently filed items
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Jun 30, 2022
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Intention to grant (signatures)
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Jun 30, 2022
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Jun 30, 2022
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Feb 22, 2022
Description
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Feb 22, 2022
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Sep 1, 2021
(Electronic) Receipt
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Sep 1, 2021
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Sep 1, 2021
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Sep 1, 2021
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Apr 26, 2021
Examination started
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Jan 25, 2021
Letter accompanying subsequently filed items
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Jan 25, 2021
Patent document filed by a Third party
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Jan 17, 2019
(Electronic) Receipt
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Jan 17, 2019
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Amended claims with annotations
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Jan 17, 2019
Amendments received before examination
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Jan 17, 2019
Letter accompanying subsequently filed items
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Aug 22, 2018
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European search opinion
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Aug 2, 2018
Information on Search Strategy
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Aug 2, 2018
Supplementary European search report
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Jul 24, 2018
Search started
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Oct 11, 2017
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Communication to designated inventor
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Sep 28, 2017
(Electronic) Receipt
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Sep 28, 2017
Letter accompanying subsequently filed items
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Sep 28, 2017
Letter concerning the inventor
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Sep 6, 2017
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Letter which had not been notified
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Aug 4, 2017
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Aug 4, 2017
Communication to designated inventor
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Aug 3, 2017
(Electronic) Receipt
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Aug 3, 2017
Letter accompanying subsequently filed items
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Aug 3, 2017
Jul 31, 2017
Jul 27, 2017
(Electronic) Receipt
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Jul 27, 2017
Request for entry into the European phase
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Jul 18, 2017
Jul 5, 2017
Notification of the recording of a change
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May 12, 2017
Information on entry into European phase
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Jul 26, 2016
Jul 7, 2016
Copy of the international search report
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Jul 7, 2016
Published international application - A1
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