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The patent EP2880390 was granted to Allied Mineral Products on Dec 27, 2023. The application was filed on Aug 1, 2013 under application number EP13747764A. 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 |
|---|---|---|---|
| SAINT GOBAIN | Sep 26, 2024 | SAINT GOBAIN RECHERCHE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2012052196 |
| DESCRIPTION | US6046252 |
| DESCRIPTION | US64558 |
| EXAMINATION | WO2011069251 |
| INTERNATIONAL-SEARCH-REPORT | CN101839643 |
| INTERNATIONAL-SEARCH-REPORT | CN202244686U |
| INTERNATIONAL-SEARCH-REPORT | EP0913504 |
| INTERNATIONAL-SEARCH-REPORT | GB2168284 |
| INTERNATIONAL-SEARCH-REPORT | JP2011157230 |
| INTERNATIONAL-SEARCH-REPORT | JPH11255587 |
| INTERNATIONAL-SEARCH-REPORT | US2002029724 |
| OPPOSITION | GB1429167 |
| OPPOSITION | JPS60172758U |
| OPPOSITION | US2008292791 |
| OPPOSITION | US3703601 |
| OPPOSITION | US4316925 |
| OPPOSITION | US4558016 |
| OPPOSITION | US4921222 |
| OPPOSITION | WO2011069251 |
| OPPOSITION | WO2012027394 |
| OPPOSITION | WO9706909 |
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 30, 2023
Decision to grant a European patent
Search/Exam
Nov 16, 2023
(Electronic) Receipt
Search/Exam
Nov 16, 2023
Filing of the translations of the claims
Search/Exam
Nov 16, 2023
French translation of claims
Search/Exam
Nov 16, 2023
German translation of the claims
Search/Exam
Nov 16, 2023
Letter accompanying subsequently filed items
Search/Exam
Jul 7, 2023
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Intention to grant (signatures)
Search/Exam
Jul 7, 2023
Text intended for grant (clean copy)
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Jul 7, 2023
Jun 19, 2023
(Electronic) Receipt
Search/Exam
Jun 19, 2023
Amended claims with annotations
Search/Exam
Jun 19, 2023
Claims
Search/Exam
Jun 19, 2023
Letter accompanying subsequently filed items
Search/Exam
Jun 19, 2023
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Feb 7, 2023
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Feb 7, 2023
Intention to grant (signatures)
Search/Exam
Feb 7, 2023
Text intended for grant (clean copy)
Search/Exam
Feb 7, 2023
Nov 22, 2022
(Electronic) Receipt
Search/Exam
Nov 22, 2022
Amended claims with annotations
Search/Exam
Nov 22, 2022
Amended description with annotations
Search/Exam
Nov 22, 2022
Claims
Search/Exam
Nov 22, 2022
Description
Search/Exam
Nov 22, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 22, 2022
Sep 23, 2022
Sep 20, 2022
(Electronic) Receipt
Search/Exam
Sep 20, 2022
May 12, 2022
Annex to the communication
Search/Exam
May 12, 2022
Communication from the Examining Division
Search/Exam
Mar 19, 2021
(Electronic) Receipt
Search/Exam
Mar 19, 2021
Amended claims with annotations
Search/Exam
Mar 19, 2021
Amended description with annotations
Search/Exam
Mar 19, 2021
Claims
Search/Exam
Mar 19, 2021
Description
Search/Exam
Mar 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 19, 2021
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Jan 21, 2021
Jan 15, 2021
(Electronic) Receipt
Search/Exam
Jan 15, 2021
Sep 9, 2020
Annex to the communication
Search/Exam
Sep 9, 2020
Communication from the Examining Division
Search/Exam
Apr 8, 2019
Decision to allow further processing
Search/Exam
Mar 26, 2019
(Electronic) Receipt
Search/Exam
Mar 26, 2019
Amended claims with annotations
Search/Exam
Mar 26, 2019
Amended description with annotations
Search/Exam
Mar 26, 2019
Citation for the examination procedure
Search/Exam
Mar 26, 2019
Citation for the examination procedure
Search/Exam
Mar 26, 2019
Claims
Search/Exam
Mar 26, 2019
Description
Search/Exam
Mar 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 26, 2019
Request for further processing
Search/Exam
Jan 16, 2019
Oct 18, 2018
Oct 4, 2018
(Electronic) Receipt
Search/Exam
Oct 4, 2018
May 28, 2018
May 25, 2018
Annex to the communication
Search/Exam
May 25, 2018
Communication from the Examining Division
Search/Exam
May 18, 2018
Examination started
Search/Exam
May 17, 2018
Feb 15, 2018
Sep 28, 2015
(Electronic) Receipt
Search/Exam
Sep 28, 2015
Sep 28, 2015
Amended claims with annotations
Search/Exam
Sep 28, 2015
Sep 28, 2015
Amended description with annotations
Search/Exam
Sep 28, 2015
Amendments received before examination
Search/Exam
Sep 28, 2015
Letter accompanying subsequently filed items
Search/Exam
Aug 18, 2015
Payment of fees and costs
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Aug 18, 2015
Payment of fees and costs
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May 13, 2015
Mar 17, 2015
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Communication to designated inventor
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Mar 13, 2015
Communication to designated inventor
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Mar 13, 2015
Communication to designated inventor
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Mar 13, 2015
Communication to designated inventor
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Feb 25, 2015
(Electronic) Receipt
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Feb 25, 2015
Letter concerning the inventor
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Feb 25, 2015
Request for entry into the European phase
Search/Exam
Feb 16, 2015
Dec 10, 2014
Information on entry into European phase
Search/Exam
Jul 10, 2014
Copy of the international search report
Search/Exam
Jul 10, 2014
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Feb 6, 2014
Published international application - A2
Search/Exam
Aug 12, 2013
Claims
PCTISA
Aug 12, 2013
Description
PCTISA
Aug 12, 2013
Drawings
PCTISA