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The patent EP3781471 was granted to Oceaneering on May 17, 2023. The application was filed on Jun 6, 2019 under application number EP19814635A. 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 |
|---|---|---|---|
| JOLLY | Feb 16, 2024 | J A KEMP | ADMISSIBLE |
| JOLLY | Feb 16, 2024 | WILSON GUNN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2009308299 |
| INTERNATIONAL-SEARCH-REPORT | US2016138554 |
| INTERNATIONAL-SEARCH-REPORT | US2017271911 |
| INTERNATIONAL-SEARCH-REPORT | US2018001981 |
| INTERNATIONAL-SEARCH-REPORT | US6223675 |
| INTERNATIONAL-SEARCH-REPORT | US7000560 |
| INTERNATIONAL-SEARCH-REPORT | US9718524 |
| OPPOSITION | KR101276977B |
| OPPOSITION | KR20090015263 |
| OPPOSITION | US2003020829 |
| OPPOSITION | US2005279270 |
| OPPOSITION | US2017271911 |
| OPPOSITION | US3729755 |
| OPPOSITION | US5454742 |
| OPPOSITION | WO2017219048 |
| SEARCH | US2017271911 |
| SEARCH | US6525762 |
| SEARCH | US7000560 |
| SEARCH | WO2015020529 |
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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OPPO
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Authorisation
OPPO
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May 31, 2023
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Decision to grant a European patent
Search/Exam
Mar 31, 2023
(Electronic) Receipt
Search/Exam
Mar 31, 2023
Filing of the translations of the claims
Search/Exam
Mar 31, 2023
French translation of claims
Search/Exam
Mar 31, 2023
German translation of the claims
Search/Exam
Mar 31, 2023
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2022
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Intention to grant (signatures)
Search/Exam
Dec 2, 2022
Text intended for grant (clean copy)
Search/Exam
Dec 2, 2022
Sep 22, 2022
Examination started
Search/Exam
Jun 20, 2022
(Electronic) Receipt
Search/Exam
Jun 20, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 20, 2022
Maintenance of the application
Search/Exam
Dec 21, 2021
Dec 3, 2021
Dec 3, 2021
European search opinion
Search/Exam
Dec 3, 2021
Information on Search Strategy
Search/Exam
Dec 3, 2021
Supplementary European search report
Search/Exam
Nov 22, 2021
Search started
Search/Exam
Aug 4, 2021
Jun 11, 2021
(Electronic) Receipt
Search/Exam
Jun 11, 2021
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Amended claims with annotations
Search/Exam
Jun 11, 2021
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Amendments received before examination
Search/Exam
Jun 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 27, 2021
Dec 21, 2020
Dec 3, 2020
Nov 30, 2020
Communication to designated inventor
Search/Exam
Nov 27, 2020
Nov 19, 2020
(Electronic) Receipt
Search/Exam
Nov 19, 2020
Request for entry into the European phase
Search/Exam
Oct 16, 2020
Information on entry into European phase
Search/Exam
Jan 3, 2020
Dec 12, 2019
Copy of the international search report
Search/Exam
Dec 12, 2019
Published international application - A1
Search/Exam