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The patent EP3647823 was granted to HD on Jul 7, 2021. The application was filed on Oct 28, 2019 under application number EP19205749A. 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 |
|---|---|---|---|
| AUSTRALIAN NUCLEAR SCIENCE & TECHNOLOGY ORGANISATION | Apr 7, 2022 | FLEUCHAUS & GALLO PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US4995066 |
| OPPOSITION | US2008095298 |
| OPPOSITION | US4595014 |
| OPPOSITION | US4995066 |
| OPPOSITION | US5038370 |
| OPPOSITION | US5606165 |
| OPPOSITION | WO2015176115 |
| OTHER | US2008095298 |
| OTHER | US4995066 |
| OTHER | US5038370 |
| SEARCH | US4595014 |
| SEARCH | US5606165 |
| SEARCH | WO2015176115 |
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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Feb 26, 2024
Feb 26, 2024
Nov 23, 2023
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Means of redress
OPPO
Nov 22, 2023
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Oct 30, 2023
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Jan 30, 2023
Communication of amended entries
Search/Exam
Jan 23, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 23, 2023
Dec 8, 2022
Annex
OPPO
Dec 8, 2022
Sep 13, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
Sep 6, 2022
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Jul 20, 2021
Jun 10, 2021
Decision to grant a European patent
Search/Exam
Jun 9, 2021
Filing of the translations of the claims
Search/Exam
Jun 9, 2021
French translation of claims
Search/Exam
Jun 9, 2021
German translation of the claims
Search/Exam
May 27, 2021
Filing of the translations of the claims
Search/Exam
May 27, 2021
French translation of claims
Search/Exam
May 27, 2021
German translation of the claims
Search/Exam
Jan 18, 2021
Jan 18, 2021
Jan 18, 2021
Intention to grant (signatures)
Search/Exam
Jan 18, 2021
Text intended for grant (clean copy)
Search/Exam
Jan 18, 2021
Dec 23, 2020
Dec 23, 2020
Dec 18, 2020
(Electronic) Receipt
Search/Exam
Dec 18, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 18, 2020
Observations by third parties
Search/Exam
Nov 23, 2020
Nov 23, 2020
Amended claims with annotations
Search/Exam
Nov 23, 2020
Nov 23, 2020
Amended description with annotations
Search/Exam
Nov 23, 2020
Amendments received before examination
Search/Exam
Nov 16, 2020
Examination started
Search/Exam
Nov 6, 2020
Nov 6, 2020
Amended claims with annotations
Search/Exam
Nov 6, 2020
Nov 6, 2020
Amendments received before examination
Search/Exam
Sep 11, 2020
(Electronic) Receipt
Search/Exam
Sep 11, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 11, 2020
Observations by third parties
Search/Exam
Sep 2, 2020
Aug 19, 2020
(Electronic) Receipt
Search/Exam
Aug 19, 2020
Citation filed by a third party
Search/Exam
Aug 19, 2020
Citation filed by a third party
Search/Exam
Aug 19, 2020
Citation filed by a third party
Search/Exam
Aug 19, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 19, 2020
Non-patent literature filed by a third party
Search/Exam
Aug 19, 2020
Non-patent literature filed by a third party
Search/Exam
Aug 19, 2020
Non-patent literature filed by a third party
Search/Exam
Aug 19, 2020
Observations by third parties
Search/Exam
May 11, 2020
Apr 8, 2020
Notification of forthcoming publication
Search/Exam
Mar 6, 2020
Mar 6, 2020
European search opinion
Search/Exam
Mar 6, 2020
European search report
Search/Exam
Mar 6, 2020
Information on Search Strategy
Search/Exam
Feb 21, 2020
Search started
Search/Exam
Jan 22, 2020
Jan 7, 2020
Letter concerning the priority
Search/Exam
Dec 23, 2019
Dec 20, 2019
Communication to designated inventor
Search/Exam
Dec 20, 2019
Communication to designated inventor
Search/Exam
Dec 16, 2019
Letter concerning the priority
Search/Exam
Oct 28, 2019
Abstract
Search/Exam
Oct 28, 2019
Oct 28, 2019
Claims
Search/Exam
Oct 28, 2019
Description
Search/Exam
Oct 28, 2019
Designation of inventor
Search/Exam
Oct 28, 2019
Drawings
Search/Exam
Oct 28, 2019
Request for grant of a European patent
Search/Exam