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The patent EP3453779 was granted to Raytheon on Apr 20, 2022. The application was filed on Sep 7, 2018 under application number EP18193256A. 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 |
|---|---|---|---|
| SIEMENS ENERGY | Oct 18, 2022 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP1591550 |
| OPPOSITION | EP1707653 |
| OPPOSITION | EP1806435 |
| OPPOSITION | EP2196559 |
| OPPOSITION | EP2947173 |
| OPPOSITION | FR3053076 |
| OPPOSITION | US2005013994 |
| OPPOSITION | US2007036997 |
| OPPOSITION | US2009252985 |
| OPPOSITION | US2011151132 |
| OPPOSITION | US2012017805 |
| OPPOSITION | US2013260132 |
| OPPOSITION | US2014065408 |
| OPPOSITION | US6106959 |
| OPPOSITION | US6733908 |
| OPPOSITION | US8062759 |
| OPPOSITION | US9097127 |
| OPPOSITION | WO2013163058 |
| OPPOSITION | WO2016071094 |
| OPPOSITION | WO2016162221 |
| OPPOSITION | WO2017080948 |
| SEARCH | US2005013994 |
| SEARCH | US2011151132 |
| SEARCH | US2013260132 |
| SEARCH | WO2013163058 |
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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Dec 17, 2025
Dec 17, 2025
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Dec 10, 2025
Refund of fees
Search/Exam
Dec 9, 2025
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(Electronic) Receipt
Appeal
Nov 28, 2025
Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
Oct 27, 2025
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Mar 15, 2022
(Electronic) Receipt
Search/Exam
Mar 15, 2022
Filing of the translations of the claims
Search/Exam
Mar 15, 2022
French translation of claims
Search/Exam
Mar 15, 2022
German translation of the claims
Search/Exam
Mar 15, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2022
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Intention to grant (signatures)
Search/Exam
Jan 10, 2022
Text intended for grant (clean copy)
Search/Exam
Jan 10, 2022
Feb 19, 2021
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Authorisation
Search/Exam
Feb 8, 2021
Jan 18, 2021
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(Electronic) Receipt
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Jan 8, 2021
Amended claims with annotations
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Jan 8, 2021
Amended description with annotations
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Jan 8, 2021
Claims
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Jan 8, 2021
Description
Search/Exam
Jan 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 8, 2021
Dec 18, 2020
Annexes in respect of a client data request
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Dec 18, 2020
Annexes in respect of a client data request
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(Electronic) Receipt
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Jun 23, 2020
Annex to the communication
Search/Exam
Jun 23, 2020
Communication from the Examining Division
Search/Exam
Jun 10, 2020
Examination started
Search/Exam
Sep 12, 2019
(Electronic) Receipt
Search/Exam
Sep 12, 2019
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Amended claims with annotations
Search/Exam
Sep 12, 2019
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Amended description with annotations
Search/Exam
Sep 12, 2019
Amendments received before examination
Search/Exam
Sep 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2019
Feb 13, 2019
Notification of forthcoming publication
Search/Exam
Jan 10, 2019
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European search opinion
Search/Exam
Jan 10, 2019
European search report
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Jan 10, 2019
Information on Search Strategy
Search/Exam
Dec 17, 2018
Search started
Search/Exam
Nov 12, 2018
Nov 7, 2018
Oct 31, 2018
Communication to designated inventor
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Oct 31, 2018
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Sep 7, 2018
Abstract
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Sep 7, 2018
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Claims
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Sep 7, 2018
Description
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Sep 7, 2018
Designation of inventor
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Sep 7, 2018
Drawings
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Sep 7, 2018
Request for grant of a European patent
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