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The patent EP3363021 was granted to Holtec on Jul 5, 2023. The application was filed on Oct 17, 2016 under application number EP16866818A. 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 |
|---|---|---|---|
| GNS GESELLSCHAFT FUR NUKLEAR SERVICE | Mar 27, 2024 | ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2007138234 |
| INTERNATIONAL-SEARCH-REPORT | US2010272225 |
| INTERNATIONAL-SEARCH-REPORT | US2012037632 |
| INTERNATIONAL-SEARCH-REPORT | US2014077105 |
| INTERNATIONAL-SEARCH-REPORT | US3425380 |
| INTERNATIONAL-SEARCH-REPORT | US5546436 |
| INTERNATIONAL-SEARCH-REPORT | US5852643 |
| OPPOSITION | JP2003207592 |
| OPPOSITION | JP2004251724 |
| OPPOSITION | JPH04343098 |
| OPPOSITION | JPH1026694 |
| OPPOSITION | JPS62105088 |
| OPPOSITION | US2007138234 |
| OPPOSITION | US2010133269 |
| OPPOSITION | US2010272225 |
| OPPOSITION | US3425380 |
| OPPOSITION | US4274007 |
| OPPOSITION | US5546436 |
| SEARCH | JP2003207592 |
| SEARCH | US2007138234 |
| SEARCH | US2010272225 |
| SEARCH | US3425380 |
| SEARCH | US5546436 |
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 23, 2025
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Means of redress
OPPO
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(Electronic) Receipt
Search/Exam
Jun 9, 2023
(Electronic) Receipt
Search/Exam
Jun 9, 2023
Annex
Search/Exam
Jun 9, 2023
Annex
Search/Exam
Jun 9, 2023
Decision to grant a European patent
Search/Exam
Jun 9, 2023
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2023
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2023
Matter concerning the application
Search/Exam
Jun 9, 2023
Request for correction of the publication
Search/Exam
May 26, 2023
(Electronic) Receipt
Search/Exam
May 26, 2023
Filing of the translations of the claims
Search/Exam
May 26, 2023
French translation of claims
Search/Exam
May 26, 2023
German translation of the claims
Search/Exam
Jan 31, 2023
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Intention to grant (signatures)
Search/Exam
Jan 31, 2023
Text intended for grant (clean copy)
Search/Exam
Jan 31, 2023
Dec 12, 2022
(Electronic) Receipt
Search/Exam
Dec 12, 2022
Amended claims with annotations
Search/Exam
Dec 12, 2022
Claims
Search/Exam
Dec 12, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2022
Nov 22, 2022
Annexes in respect of a client data request
Search/Exam
Nov 22, 2022
Submission concerning representation
Search/Exam
Aug 11, 2022
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Aug 11, 2022
Intention to grant (signatures)
Search/Exam
Aug 11, 2022
Text intended for grant (clean copy)
Search/Exam
Aug 11, 2022
Jun 2, 2022
Examination started
Search/Exam
Feb 15, 2022
Feb 1, 2022
(Electronic) Receipt
Search/Exam
Feb 1, 2022
Enquiry as to the processing of the file
Search/Exam
Feb 1, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 3, 2020
(Electronic) Receipt
Search/Exam
Jan 3, 2020
Jan 3, 2020
Amended claims with annotations
Search/Exam
Jan 3, 2020
Amendments received before examination
Search/Exam
Jan 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 24, 2019
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European search opinion
Search/Exam
Jun 5, 2019
Information on Search Strategy
Search/Exam
Jun 5, 2019
Supplementary European search report
Search/Exam
May 20, 2019
Search started
Search/Exam
Jul 25, 2018
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Communication to designated inventor
Search/Exam
May 15, 2018
(Electronic) Receipt
Search/Exam
May 15, 2018
May 15, 2018
Request for entry into the European phase
Search/Exam
Apr 30, 2018
Apr 3, 2018
Information on entry into European phase
Search/Exam
Jul 20, 2017
Copy of the international search report
Search/Exam
Jul 20, 2017
Jun 14, 2017
May 26, 2017
Published international application - A2
Search/Exam