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The patent EP3155304 was granted to Technipfmc Subsea France on Aug 17, 2022. The application was filed on Jun 15, 2015 under application number EP15733830A. 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 |
|---|---|---|---|
| NATIONAL OILWELL VARCO DENMARK IS | May 16, 2023 | PLOUGMANN VINGTOFT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2008135663 |
| DESCRIPTION | WO9949259 |
| EXAMINATION | WO2012149937 |
| INTERNATIONAL-SEARCH-REPORT | FR2739673 |
| INTERNATIONAL-SEARCH-REPORT | FR2776358 |
| INTERNATIONAL-SEARCH-REPORT | FR2835584 |
| INTERNATIONAL-SEARCH-REPORT | WO03044414 |
| OPPOSITION | US2004175523 |
| OPPOSITION | US2010101675 |
| OPPOSITION | US2012266996 |
| OPPOSITION | US2013014849 |
| OPPOSITION | US6165586 |
| OPPOSITION | WO2012149937 |
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 5, 2025
Oct 29, 2025
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Oct 24, 2025
(Electronic) Receipt
Appeal
Oct 24, 2025
Oct 24, 2025
Reply to appeal
Appeal
Oct 22, 2025
(Electronic) Receipt
Appeal
Oct 22, 2025
Oct 22, 2025
Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jun 12, 2025
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(Electronic) Receipt
Appeal
Apr 18, 2025
Apr 18, 2025
Notice of appeal
Appeal
Apr 15, 2025
(Electronic) Receipt
Appeal
Apr 15, 2025
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Notice of appeal
Appeal
Feb 20, 2025
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Means of redress
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Decision to grant a European patent
Search/Exam
Jun 17, 2022
(Electronic) Receipt
Search/Exam
Jun 17, 2022
English translation of the claims
Search/Exam
Jun 17, 2022
Filing of the translations of the claims
Search/Exam
Jun 17, 2022
German translation of the claims
Search/Exam
Jun 17, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Intention to grant (signatures)
Search/Exam
Mar 17, 2022
Text intended for grant (clean copy)
Search/Exam
Mar 17, 2022
Dec 1, 2021
Document concerning representation
Search/Exam
Dec 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 27, 2021
Oct 19, 2021
(Electronic) Receipt
Search/Exam
Oct 19, 2021
Annexes in respect of a client data request
Search/Exam
Oct 19, 2021
Annexes in respect of a client data request
Search/Exam
Oct 19, 2021
Annexes in respect of a client data request
Search/Exam
Oct 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 19, 2021
Jun 30, 2020
(Electronic) Receipt
Search/Exam
Jun 30, 2020
Amended claims with annotations
Search/Exam
Jun 30, 2020
Claims
Search/Exam
Jun 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 30, 2020
May 4, 2020
Apr 22, 2020
(Electronic) Receipt
Search/Exam
Apr 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 22, 2020
Dec 20, 2019
Annex to the communication
Search/Exam
Dec 20, 2019
Communication from the Examining Division
Search/Exam
Jun 21, 2019
(Electronic) Receipt
Search/Exam
Jun 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 21, 2019
Jun 21, 2019
May 3, 2019
Apr 26, 2019
(Electronic) Receipt
Search/Exam
Apr 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2019
Apr 9, 2019
Apr 3, 2019
Dec 19, 2018
Annex to the communication
Search/Exam
Dec 19, 2018
Communication from the Examining Division
Search/Exam
Dec 12, 2018
Examination started
Search/Exam
Sep 15, 2017
(Electronic) Receipt
Search/Exam
Sep 15, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 15, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Jul 19, 2017
Refund of fees
Search/Exam
Jun 29, 2017
Payment of fees and costs
Search/Exam
Jun 29, 2017
Payment of fees and costs
Search/Exam
Mar 22, 2017
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Mar 13, 2017
Priority search results copy provided by EPO
Search/Exam
Jan 20, 2017
Communication to designated inventor
Search/Exam
Jan 4, 2017
Jan 3, 2017
Dec 18, 2016
Citation filed by a third party
Search/Exam
Dec 18, 2016
Patent document filed by a Third party
Search/Exam
Dec 18, 2016
Reply to communication to third party
Search/Exam
Dec 2, 2016
(Electronic) Receipt
Search/Exam
Dec 2, 2016
Request for entry into the European phase
Search/Exam
Oct 28, 2016
Information on entry into European phase
Search/Exam
Jan 13, 2016
Dec 23, 2015
Copy of the international search report
Search/Exam
Dec 23, 2015
Copy of the international search report
Search/Exam
Dec 23, 2015
Published international application - A1
Search/Exam
Sep 24, 2015
ISR: cited documents
PCTISA
Sep 24, 2015
Sep 23, 2015
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Jun 15, 2015
Abstract
PCTISA
Jun 15, 2015
Annex
PCTISA
Jun 15, 2015
Claims
PCTISA
Jun 15, 2015
Description
PCTISA
Jun 15, 2015
Drawings
PCTISA