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The patent EP3761132 was granted to GD on Oct 12, 2022. The application was originally filed on Jun 30, 2020 under application number EP20183220A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP2199883 |
| OPPOSITION | DE60225225T |
| OPPOSITION | EP0563897 |
| OPPOSITION | EP0941775 |
| OPPOSITION | EP1588945 |
| OPPOSITION | EP2199883 |
| OPPOSITION | EP2441686 |
| OPPOSITION | EP2498157 |
| OPPOSITION | US2017318857 |
| OPPOSITION | US5727367 |
| OPPOSITION | WO2011112427 |
| OPPOSITION | WO2012103403 |
| SEARCH | CN104699050 |
| SEARCH | EP2199883 |
| SEARCH | US2007144542 |
| SEARCH | US2013096711 |
| SEARCH | US2017318857 |
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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Aug 26, 2025
Aug 21, 2025
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Apr 28, 2025
Notice of appeal
Appeal
Apr 28, 2025
Notice of appeal
Appeal
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Notice of appeal
Appeal
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Means of redress
OPPO
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Oct 25, 2022
Sep 15, 2022
Decision to grant a European patent
Search/Exam
Aug 31, 2022
(Electronic) Receipt
Search/Exam
Aug 31, 2022
Filing of the translations of the claims
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Aug 31, 2022
French translation of claims
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Aug 31, 2022
German translation of the claims
Search/Exam
Jun 21, 2022
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Intention to grant (signatures)
Search/Exam
Jun 21, 2022
Text intended for grant (clean copy)
Search/Exam
Jun 21, 2022
Jun 10, 2022
Annex
Search/Exam
Mar 31, 2022
Examination started
Search/Exam
Jul 5, 2021
(Electronic) Receipt
Search/Exam
Jul 5, 2021
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Amended claims with annotations
Search/Exam
Jul 5, 2021
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Amended description with annotations
Search/Exam
Jul 5, 2021
Amendments received before examination
Search/Exam
Jul 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2021
Dec 9, 2020
Notification of forthcoming publication
Search/Exam
Nov 24, 2020
Refund of fees
Search/Exam
Nov 20, 2020
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European search opinion
Search/Exam
Nov 20, 2020
European search report
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Nov 20, 2020
Information on Search Strategy
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Nov 11, 2020
Search started
Search/Exam
Sep 11, 2020
Letter concerning the priority
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Sep 11, 2020
Priority document
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Sep 11, 2020
Priority document
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Aug 21, 2020
Communication to designated inventor
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Aug 21, 2020
Communication to designated inventor
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Jul 28, 2020
(Electronic) Receipt
Search/Exam
Jul 28, 2020
Abstract
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Jul 28, 2020
Claims
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Jul 28, 2020
Description
Search/Exam
Jul 28, 2020
Drawings
Search/Exam
Jul 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 30, 2020
Jun 30, 2020
Designation of inventor
Search/Exam
Jun 30, 2020
Drawings
Search/Exam
Jun 30, 2020
Request for grant of a European patent
Search/Exam
Jun 30, 2020