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The patent EP3591427 was granted to Hensoldt Sensors on Jun 14, 2023. The application was filed on Jul 5, 2018 under application number EP18181987A. 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 |
|---|---|---|---|
| KNDS DEUTSCHLAND | Mar 13, 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 |
|---|---|
| OPPOSITION | DE102004038264 |
| OPPOSITION | DE102008023520 |
| OPPOSITION | DE19638968 |
| OPPOSITION | EP2410280 |
| OPPOSITION | EP2911092 |
| OPPOSITION | RU2495358 |
| OPPOSITION | US2003052221 |
| OPPOSITION | US2006021498 |
| OPPOSITION | US2011069145 |
| OPPOSITION | US2011127328 |
| OPPOSITION | US2011174917 |
| OPPOSITION | US2013099096 |
| OPPOSITION | US2013234211 |
| OPPOSITION | US2014086454 |
| OPPOSITION | US2015143982 |
| OPPOSITION | US2015323448 |
| OPPOSITION | US2015377709 |
| OPPOSITION | US2016048129 |
| OPPOSITION | US2016132499 |
| OPPOSITION | US2016223662 |
| OPPOSITION | US2016321798 |
| OPPOSITION | US2017082731 |
| OPPOSITION | US2018047144 |
| OPPOSITION | US3653016 |
| OPPOSITION | US5686889 |
| OPPOSITION | US6496593 |
| OPPOSITION | US6621764 |
| OPPOSITION | US6825792 |
| OPPOSITION | US7202809 |
| OPPOSITION | US9170069 |
| OPPOSITION | WO2006083278 |
| OPPOSITION | WO2007056735 |
| OPPOSITION | WO2008098562 |
| OPPOSITION | WO2008108860 |
| OPPOSITION | WO2010090804 |
| OPPOSITION | WO2011059530 |
| OPPOSITION | WO2013055422 |
| OPPOSITION | WO2016118200 |
| SEARCH | EP2911092 |
| SEARCH | US2013235211 |
| SEARCH | US5686889 |
| SEARCH | WO2006083278 |
| SEARCH | WO2007056753 |
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 27, 2025
Oct 27, 2025
Oct 27, 2025
Refund of fees
Search/Exam
Oct 23, 2025
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(Electronic) Receipt
Appeal
Oct 2, 2025
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Withdrawal of an appeal
Appeal
Sep 8, 2025
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(Electronic) Receipt
Appeal
Sep 1, 2025
Notice of appeal
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
May 10, 2023
(Electronic) Receipt
Search/Exam
May 10, 2023
English translation of the claims
Search/Exam
May 10, 2023
Filing of the translations of the claims
Search/Exam
May 10, 2023
French translation of claims
Search/Exam
May 10, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2023
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Intention to grant (signatures)
Search/Exam
Mar 24, 2023
Text intended for grant (clean copy)
Search/Exam
Mar 24, 2023
Nov 16, 2021
(Electronic) Receipt
Search/Exam
Nov 16, 2021
Abstract
Search/Exam
Nov 16, 2021
Abstract
Search/Exam
Nov 16, 2021
Amended claims with annotations
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Nov 16, 2021
Amended description with annotations
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Nov 16, 2021
Claims
Search/Exam
Nov 16, 2021
Description
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Nov 16, 2021
Letter accompanying subsequently filed items
Search/Exam
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(Electronic) Receipt
Search/Exam
Sep 9, 2021
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Annex to the communication
Search/Exam
May 17, 2021
Communication from the Examining Division
Search/Exam
May 7, 2021
Examination started
Search/Exam
Jan 13, 2020
Dec 11, 2019
Notification of forthcoming publication
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Jun 11, 2019
(Electronic) Receipt
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(Electronic) Receipt
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Amended claims with annotations
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May 21, 2019
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Amended description with annotations
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May 21, 2019
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Search/Exam
May 21, 2019
Letter accompanying subsequently filed items
Search/Exam
May 10, 2019
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European search opinion
Search/Exam
Dec 6, 2018
European search report
Search/Exam
Dec 6, 2018
Information on Search Strategy
Search/Exam
Nov 27, 2018
Search started
Search/Exam
Aug 28, 2018
Communication to designated inventor
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Jul 5, 2018
Abstract
Search/Exam
Jul 5, 2018
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Claims
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Jul 5, 2018
Description
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Jul 5, 2018
Designation of inventor
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Jul 5, 2018
Drawings
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Jul 5, 2018
Request for grant of a European patent
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