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The patent EP3455860 was granted to Daher Nuclear on May 21, 2025. The application was filed on May 10, 2017 under application number EP17723340A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| GNS GESELLSCHAFT FUR NUKLEAR SERVICE | Dec 3, 2020 | ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102013200546 |
| INTERNATIONAL-SEARCH-REPORT | EP1760007 |
| INTERNATIONAL-SEARCH-REPORT | US2008073601 |
| INTERNATIONAL-SEARCH-REPORT | US3391280 |
| OPPOSITION | DE102013200546 |
| OPPOSITION | DE1514623 |
| OPPOSITION | EP2335251 |
| OPPOSITION | EP3226249 |
| OPPOSITION | RU2253160 |
| OPPOSITION | US2003052036 |
| OPPOSITION | US2008073601 |
| OPPOSITION | US3669299 |
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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Apr 25, 2025
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Refund of fees
Appeal
Nov 20, 2024
Nov 20, 2024
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Nov 15, 2024
Nov 14, 2024
(Electronic) Receipt
Appeal
Nov 14, 2024
Nov 14, 2024
Withdrawal of an appeal
Appeal
Oct 1, 2024
Sep 26, 2024
(Electronic) Receipt
Appeal
Sep 26, 2024
Sep 26, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 16, 2024
Apr 2, 2024
Mar 22, 2024
(Electronic) Receipt
Appeal
Mar 22, 2024
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Nov 15, 2023
Nov 9, 2023
(Electronic) Receipt
Appeal
Nov 9, 2023
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Sep 12, 2022
Sep 2, 2022
(Electronic) Receipt
Appeal
Sep 2, 2022
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(Electronic) Receipt
Appeal
Jul 19, 2022
Jul 19, 2022
Jun 29, 2022
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Jun 22, 2022
(Electronic) Receipt
Appeal
Jun 22, 2022
Jun 22, 2022
Notice of appeal
Appeal
May 11, 2022
May 9, 2022
May 6, 2022
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Means of redress
OPPO
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Description
OPPO
Jan 27, 2022
Description
OPPO
Jan 27, 2022
Description
OPPO
Jan 27, 2022
Description
OPPO
Jan 27, 2022
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OPPO
Jan 27, 2022
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OPPO
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Description
OPPO
May 26, 2021
Description
OPPO
May 26, 2021
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Mar 30, 2020
Feb 20, 2020
Decision to grant a European patent
Search/Exam
Feb 10, 2020
(Electronic) Receipt
Search/Exam
Feb 10, 2020
Filing of the translations of the claims
Search/Exam
Feb 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 17, 2020
Jan 17, 2020
Jan 17, 2020
Intention to grant (signatures)
Search/Exam
Jan 17, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 17, 2020
Dec 19, 2019
Dec 16, 2019
(Electronic) Receipt
Search/Exam
Dec 16, 2019
Amended claims with annotations
Search/Exam
Dec 16, 2019
Claims
Search/Exam
Dec 16, 2019
English translation of the claims
Search/Exam
Dec 16, 2019
French translation of claims
Search/Exam
Dec 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 16, 2019
Nov 11, 2019
Nov 8, 2019
Nov 6, 2019
Aug 14, 2019
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Aug 14, 2019
Intention to grant (signatures)
Search/Exam
Aug 14, 2019
Text intended for grant (clean copy)
Search/Exam
Aug 14, 2019
Jun 5, 2019
Examination started
Search/Exam
May 17, 2019
(Electronic) Receipt
Search/Exam
May 17, 2019
Letter accompanying subsequently filed items
Search/Exam
May 17, 2019
Matter concerning the application
Search/Exam
May 16, 2019
Feb 25, 2019
Communication to designated inventor
Search/Exam
Feb 25, 2019
Communication to designated inventor
Search/Exam
Feb 20, 2019
Feb 15, 2019
Letter concerning the inventor
Search/Exam
Jan 30, 2019
(Electronic) Receipt
Search/Exam
Jan 30, 2019
Jan 30, 2019
Amended claims with annotations
Search/Exam
Jan 30, 2019
Jan 30, 2019
Amended description with annotations
Search/Exam
Jan 30, 2019
Amendments received before examination
Search/Exam
Jan 30, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2019
Jan 23, 2019
Jan 23, 2019
Jan 18, 2019
Letter which had not been notified
Search/Exam
Jan 17, 2019
Letter which had not been notified
Search/Exam
Jan 15, 2019
Letter which had not been notified
Search/Exam
Dec 20, 2018
Dec 18, 2018
Communication to designated inventor
Search/Exam
Dec 18, 2018
Communication to designated inventor
Search/Exam
Dec 18, 2018
Communication to designated inventor
Search/Exam
Dec 18, 2018
Communication to designated inventor
Search/Exam
Nov 20, 2018
Nov 20, 2018
Jul 11, 2018
Information regarding early processing
Search/Exam
Jun 28, 2018
(Electronic) Receipt
Search/Exam
Jun 28, 2018
Annex
Search/Exam
Jun 28, 2018
Annex
Search/Exam
Jun 28, 2018
Priority search results
Search/Exam
Jun 28, 2018
Request for entry into the European phase
Search/Exam
May 3, 2018
May 3, 2018
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May 3, 2018
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Dec 6, 2017
Nov 21, 2017
Notification of election of EPO
Search/Exam
Nov 16, 2017
Copy of the international search report
Search/Exam
Nov 16, 2017
Copy of the international search report
Search/Exam
Nov 16, 2017
Published international application - A1
Search/Exam
Nov 6, 2017
Oct 27, 2017
Oct 19, 2017
Oct 19, 2017
PCT demand form
PCT2
Oct 19, 2017
Oct 19, 2017
Oct 19, 2017
Oct 19, 2017
Jul 27, 2017
Jul 27, 2017
Jul 27, 2017
May 24, 2017
May 15, 2017
May 10, 2017
(Electronic) Receipt
PCTRO
May 10, 2017
Abstract
PCTRO
May 10, 2017
Claims
PCTRO
May 10, 2017
Description
PCTRO
May 10, 2017
May 10, 2017
Drawings
PCTRO
May 10, 2017