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The patent EP3013525 was granted to Saint Gobain on Mar 2, 2022. The application was filed on Jun 27, 2014 under application number EP14817166A. 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 |
|---|---|---|---|
| VSM VEREINIGTE SCHMIRGEL UND MASCHINEN FABRIKEN | Dec 1, 2022 | BREMER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2013000216 |
| DESCRIPTION | US3079242 |
| DESCRIPTION | US3377660 |
| DESCRIPTION | US4744802 |
| DESCRIPTION | US4848041 |
| DESCRIPTION | US5201916 |
| DESCRIPTION | US5366523 |
| DESCRIPTION | US5984988 |
| INTERNATIONAL-SEARCH-REPORT | US2010251625 |
| INTERNATIONAL-SEARCH-REPORT | US2012034847 |
| INTERNATIONAL-SEARCH-REPORT | US2013074418 |
| INTERNATIONAL-SEARCH-REPORT | US3833346 |
| INTERNATIONAL-SEARCH-REPORT | US5104424 |
| OPPOSITION | DE10019184 |
| OPPOSITION | DE102005033392 |
| OPPOSITION | EP0395088 |
| OPPOSITION | EP0395091 |
| OPPOSITION | EP2866977 |
| OPPOSITION | US2010251625 |
| OPPOSITION | US2012034847 |
| OPPOSITION | US2012167481 |
| OPPOSITION | US2013000216 |
| OPPOSITION | US2013074418 |
| OPPOSITION | US5645619 |
| OPPOSITION | WO0123320 |
| OPPOSITION | WO2011087649 |
| OPPOSITION | WO2013049239 |
| OPPOSITION | WO2013102177 |
| OPPOSITION | WO2013177446 |
| SEARCH | US2013000216 |
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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Nov 28, 2025
Nov 25, 2025
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
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Aug 1, 2025
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Appeal
Jul 31, 2025
(Electronic) Receipt
Appeal
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Apr 1, 2025
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Jan 28, 2025
(Electronic) Receipt
Appeal
Jan 28, 2025
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Notice of appeal
Appeal
Jan 28, 2025
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Appeal
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Means of redress
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Mar 15, 2022
Feb 3, 2022
Decision to grant a European patent
Search/Exam
Feb 3, 2022
Decision to grant a European patent
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Jan 24, 2022
(Electronic) Receipt
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Jan 24, 2022
Filing of the translations of the claims
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Jan 24, 2022
French translation of claims
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Jan 24, 2022
German translation of the claims
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Jan 24, 2022
Letter accompanying subsequently filed items
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Oct 5, 2021
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Intention to grant (signatures)
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Oct 5, 2021
Text intended for grant (clean copy)
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Oct 5, 2021
Nov 26, 2020
(Electronic) Receipt
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Nov 26, 2020
Amended claims with annotations
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Nov 26, 2020
Amended description with annotations
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Nov 26, 2020
Claims
Search/Exam
Nov 26, 2020
Description
Search/Exam
Nov 26, 2020
Letter accompanying subsequently filed items
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Nov 26, 2020
Jul 24, 2020
Annex to the communication
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Jul 24, 2020
Communication from the Examining Division
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Oct 2, 2019
(Electronic) Receipt
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Oct 2, 2019
Annex
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Oct 2, 2019
Letter accompanying subsequently filed items
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Oct 2, 2019
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Aug 14, 2019
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(Electronic) Receipt
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Aug 8, 2019
Letter accompanying subsequently filed items
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Aug 8, 2019
Apr 4, 2019
Annex to the communication
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Apr 4, 2019
Communication from the Examining Division
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Aug 31, 2018
(Electronic) Receipt
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Aug 31, 2018
Amended claims with annotations
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Aug 31, 2018
Claims
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Aug 31, 2018
Letter accompanying subsequently filed items
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Aug 31, 2018
May 3, 2018
Annex to the communication
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May 3, 2018
Communication from the Examining Division
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Apr 26, 2018
Examination started
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Oct 23, 2017
(Electronic) Receipt
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Oct 23, 2017
Oct 23, 2017
Amended claims with annotations
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Oct 23, 2017
Amendments received before examination
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Oct 23, 2017
Letter accompanying subsequently filed items
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Apr 25, 2017
Apr 7, 2017
Apr 7, 2017
European search opinion
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Apr 7, 2017
Information on Search Strategy
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Apr 7, 2017
Supplementary European search report
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Mar 30, 2017
Search started
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Apr 6, 2016
Feb 26, 2016
Feb 23, 2016
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Feb 4, 2016
(Electronic) Receipt
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Feb 4, 2016
Letter accompanying subsequently filed items
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Feb 4, 2016
Feb 2, 2016
Communication to designated inventor
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Feb 2, 2016
Communication to designated inventor
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Feb 2, 2016
Communication to designated inventor
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Feb 2, 2016
Communication to designated inventor
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Jan 22, 2016
Jan 21, 2016
(Electronic) Receipt
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Jan 21, 2016
Jan 21, 2016
Amended claims with annotations
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Jan 21, 2016
Request for entry into the European phase
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Jan 12, 2016
Nov 4, 2015
Information on entry into European phase
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Jan 20, 2015
Dec 31, 2014
Copy of the international search report
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Dec 31, 2014
Published international application - A1
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