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The patent EP3582932 was granted to Saint Gobain on Mar 30, 2022. The application was filed on Feb 14, 2018 under application number EP18754768A. 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 |
|---|---|---|---|
| MICRO ABRASIVES | Jan 2, 2023 | RGTH | ADMISSIBLE |
| ALMATIS | Dec 30, 2022 | KONIGER | ADMISSIBLE |
| ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB | Dec 30, 2022 | ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2003185746 |
| INTERNATIONAL-SEARCH-REPORT | US2004197263 |
| INTERNATIONAL-SEARCH-REPORT | US2011256051 |
| INTERNATIONAL-SEARCH-REPORT | US2014158613 |
| INTERNATIONAL-SEARCH-REPORT | US5284809 |
| INTERNATIONAL-SEARCH-REPORT | US6403526 |
| OPPOSITION | EP2852564 |
| OPPOSITION | JP2006124622 |
| OPPOSITION | US2003185746 |
| OPPOSITION | US2004197263 |
| OPPOSITION | US2005135995 |
| OPPOSITION | US2011256051 |
| OPPOSITION | US2012034851 |
| OPPOSITION | US2014158613 |
| OPPOSITION | US4301037 |
| OPPOSITION | US4761394 |
| OPPOSITION | US5284809 |
| OPPOSITION | US5302368 |
| OPPOSITION | US6403526 |
| OPPOSITION | WO2014102249 |
| OPPOSITION | WO9216595 |
| OPPOSITION | WO9517957 |
| OPPOSITION | WO9819967 |
| SEARCH | US4301037 |
| SEARCH | US5302368 |
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 30, 2024
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Means of redress
OPPO
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Apr 12, 2022
Mar 3, 2022
Decision to grant a European patent
Search/Exam
Jan 17, 2022
(Electronic) Receipt
Search/Exam
Jan 17, 2022
Filing of the translations of the claims
Search/Exam
Jan 17, 2022
French translation of claims
Search/Exam
Jan 17, 2022
German translation of the claims
Search/Exam
Jan 17, 2022
Letter accompanying subsequently filed items
Search/Exam
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Intention to grant (signatures)
Search/Exam
Sep 9, 2021
Text intended for grant (clean copy)
Search/Exam
Sep 9, 2021
Jul 9, 2021
Examination started
Search/Exam
Jun 15, 2021
(Electronic) Receipt
Search/Exam
Jun 15, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 15, 2021
Maintenance of the application
Search/Exam
Dec 15, 2020
Nov 25, 2020
Nov 25, 2020
European search opinion
Search/Exam
Nov 25, 2020
Information on Search Strategy
Search/Exam
Nov 25, 2020
Supplementary European search report
Search/Exam
Nov 9, 2020
Search started
Search/Exam
Mar 2, 2020
(Electronic) Receipt
Search/Exam
Mar 2, 2020
Mar 2, 2020
Amended claims with annotations
Search/Exam
Mar 2, 2020
Amendments received before examination
Search/Exam
Mar 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 27, 2019
Oct 17, 2019
Oct 17, 2019
Oct 14, 2019
(Electronic) Receipt
Search/Exam
Oct 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 14, 2019
Oct 12, 2019
(Electronic) Receipt
Search/Exam
Oct 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 12, 2019
Sep 25, 2019
Sep 23, 2019
Communication to designated inventor
Search/Exam
Sep 23, 2019
Communication to designated inventor
Search/Exam
Sep 23, 2019
Communication to designated inventor
Search/Exam
Sep 23, 2019
Communication to designated inventor
Search/Exam
Sep 12, 2019
(Electronic) Receipt
Search/Exam
Sep 12, 2019
Request for entry into the European phase
Search/Exam
Sep 3, 2019
Jun 28, 2019
Information on entry into European phase
Search/Exam
Sep 12, 2018
Aug 23, 2018
Copy of the international search report
Search/Exam
Aug 23, 2018
Published international application - A1
Search/Exam