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The patent EP3990853 was granted to Rheinmetall BAE Systems Land on Jun 7, 2023. The application was filed on Jun 18, 2020 under application number EP20734595A. 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 |
|---|---|---|---|
| KNDS DEUTSCHLAND | Feb 7, 2024 | FEDER WALTER EBERT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1508768 |
| INTERNATIONAL-SEARCH-REPORT | US3392489 |
| INTERNATIONAL-SEARCH-REPORT | US4498261 |
| INTERNATIONAL-SEARCH-REPORT | US5284082 |
| INTERNATIONAL-SEARCH-REPORT | US6607003 |
| OPPOSITION | CA459251 |
| OPPOSITION | CN103707837 |
| OPPOSITION | CN103821978 |
| OPPOSITION | CN201851727U |
| OPPOSITION | CN202691191U |
| OPPOSITION | CN203627962U |
| OPPOSITION | CN204573228U |
| OPPOSITION | CN204729700U |
| OPPOSITION | DE10040436 |
| OPPOSITION | DE102010003256 |
| OPPOSITION | DE102012104763 |
| OPPOSITION | DE102013006738 |
| OPPOSITION | DE102014007414 |
| OPPOSITION | DE1145881 |
| OPPOSITION | DE19542092 |
| OPPOSITION | DE202013003696U |
| OPPOSITION | DE202016105275U |
| OPPOSITION | DE2552470 |
| OPPOSITION | DE29516242U |
| OPPOSITION | DE29803116U |
| OPPOSITION | DE3041866 |
| OPPOSITION | DE3114665 |
| OPPOSITION | EP0336909 |
| OPPOSITION | EP1508768 |
| OPPOSITION | EP1659360 |
| OPPOSITION | EP2009386 |
| OPPOSITION | EP2784886 |
| OPPOSITION | EP2935958 |
| OPPOSITION | FR2870833 |
| OPPOSITION | FR2971321 |
| OPPOSITION | GB1023332 |
| OPPOSITION | JPH027817 |
| OPPOSITION | JPH09275609 |
| OPPOSITION | KR100957071B |
| OPPOSITION | KR100982413B |
| OPPOSITION | KR101149921B |
| OPPOSITION | KR101207169B |
| OPPOSITION | KR101522211B |
| OPPOSITION | KR101923169B |
| OPPOSITION | KR200443694Y |
| OPPOSITION | KR200475876Y |
| OPPOSITION | KR20190007217 |
| OPPOSITION | US1219493 |
| OPPOSITION | US1415216 |
| OPPOSITION | US2007163648 |
| OPPOSITION | US2008041454 |
| OPPOSITION | US2008289945 |
| OPPOSITION | US2009314356 |
| OPPOSITION | US2010229784 |
| OPPOSITION | US2010236153 |
| OPPOSITION | US2016146363 |
| OPPOSITION | US2019055771 |
| OPPOSITION | US3182855 |
| OPPOSITION | US3310197 |
| OPPOSITION | US3392489 |
| OPPOSITION | US3520443 |
| OPPOSITION | US3598277 |
| OPPOSITION | US3881629 |
| OPPOSITION | US3911787 |
| OPPOSITION | US4067154 |
| OPPOSITION | US4183370 |
| OPPOSITION | US4232513 |
| OPPOSITION | US4245749 |
| OPPOSITION | US4276725 |
| OPPOSITION | US4498261 |
| OPPOSITION | US4612739 |
| OPPOSITION | US4787180 |
| OPPOSITION | US4821909 |
| OPPOSITION | US5036632 |
| OPPOSITION | US5201556 |
| OPPOSITION | US5284082 |
| OPPOSITION | US5305775 |
| OPPOSITION | US5967170 |
| OPPOSITION | US6607003 |
| OPPOSITION | US8322360 |
| OPPOSITION | US833694 |
| OPPOSITION | WO2004025157 |
| OPPOSITION | WO2004079110 |
| OPPOSITION | WO2005057061 |
| OPPOSITION | WO2007052933 |
| OPPOSITION | WO2012051634 |
| OPPOSITION | WO2013130754 |
| OPPOSITION | WO2014106566 |
| OPPOSITION | WO2016167864 |
| OPPOSITION | WO2018183804 |
| OPPOSITION | WO9936970 |
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.
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Decision to grant a European patent
Search/Exam
Apr 21, 2023
(Electronic) Receipt
Search/Exam
Apr 21, 2023
French translation of claims
Search/Exam
Apr 21, 2023
German translation of the claims
Search/Exam
Apr 21, 2023
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Jan 19, 2023
Text intended for grant (clean copy)
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Jan 19, 2023
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Examination started
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May 12, 2022
(Electronic) Receipt
Search/Exam
May 12, 2022
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Amended claims with annotations
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May 12, 2022
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Amended description with annotations
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May 12, 2022
Amendments received before examination
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May 12, 2022
Letter accompanying subsequently filed items
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Apr 6, 2022
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(Electronic) Receipt
Search/Exam
Jan 7, 2022
Request for entry into the European phase
Search/Exam
Dec 16, 2021
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Notification of the recording of a change
Search/Exam
Nov 5, 2021
Information on entry into European phase
Search/Exam
Jan 18, 2021
Dec 30, 2020
Copy of the international search report
Search/Exam
Dec 30, 2020
Published international application - A1
Search/Exam
Sep 25, 2020
ISR: cited documents
PCTISA
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Jun 26, 2020
Abstract
PCTISA
Jun 26, 2020
Claims
PCTISA
Jun 26, 2020
Description
PCTISA
Jun 26, 2020
Drawings
PCTISA
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