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The patent EP3704352 was granted to Expro North SEA on Oct 12, 2022. The application was filed on Oct 30, 2018 under application number EP18797078A. 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 |
|---|---|---|---|
| METROL TECHNOLOGY | Jul 11, 2023 | WATSON | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US2008007422 |
| INTERNATIONAL-SEARCH-REPORT | US2011297366 |
| INTERNATIONAL-SEARCH-REPORT | US2015267530 |
| INTERNATIONAL-SEARCH-REPORT | WO2015105505 |
| INTERNATIONAL-SEARCH-REPORT | WO2016137462 |
| OPPOSITION | US2002053434 |
| OPPOSITION | US2003024704 |
| OPPOSITION | US2008007422 |
| OPPOSITION | US2010155052 |
| OPPOSITION | US2013249704 |
| OPPOSITION | US2015369038 |
| OPPOSITION | US8151902 |
| OPPOSITION | WO2014178725 |
| OPPOSITION | WO2015155617 |
| OPPOSITION | WO2016195682 |
| OTHER | US2008007422 |
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 22, 2025
Dec 22, 2025
Dec 18, 2025
(Electronic) Receipt
Appeal
Dec 18, 2025
(Electronic) Receipt
Appeal
Dec 18, 2025
(Electronic) Receipt
Appeal
Dec 18, 2025
Dec 18, 2025
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Reply to appeal
Appeal
Dec 18, 2025
Reply to appeal
Appeal
Oct 15, 2025
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Oct 10, 2025
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Aug 11, 2025
(Electronic) Receipt
Appeal
Aug 11, 2025
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Aug 9, 2025
(Electronic) Receipt
Appeal
Aug 9, 2025
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Jun 27, 2025
(Electronic) Receipt
Appeal
Jun 27, 2025
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Jun 10, 2025
(Electronic) Receipt
Appeal
Jun 10, 2025
Notice of appeal
Appeal
Jun 9, 2025
(Electronic) Receipt
Appeal
Jun 9, 2025
Notice of appeal
Appeal
Apr 10, 2025
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Means of redress
OPPO
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Description
OPPO
Jan 10, 2025
Description
OPPO
Jan 10, 2025
Description
OPPO
Jan 10, 2025
Description
OPPO
Jan 10, 2025
Description
OPPO
Jan 10, 2025
Description
OPPO
Jan 10, 2025
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OPPO
Jan 10, 2025
Description
OPPO
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Oct 25, 2022
Sep 15, 2022
Decision to grant a European patent
Search/Exam
Sep 1, 2022
(Electronic) Receipt
Search/Exam
Sep 1, 2022
Filing of the translations of the claims
Search/Exam
Sep 1, 2022
French translation of claims
Search/Exam
Sep 1, 2022
German translation of the claims
Search/Exam
Jul 19, 2022
Jul 13, 2022
Document concerning representation
Search/Exam
Jul 12, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 22, 2022
Apr 22, 2022
Apr 22, 2022
Intention to grant (signatures)
Search/Exam
Apr 22, 2022
Text intended for grant (clean copy)
Search/Exam
Apr 22, 2022
Apr 19, 2022
Document concerning representation
Search/Exam
Apr 19, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 25, 2022
(Electronic) Receipt
Search/Exam
Feb 25, 2022
Amended claims with annotations
Search/Exam
Feb 25, 2022
Amended description with annotations
Search/Exam
Feb 25, 2022
Claims
Search/Exam
Feb 25, 2022
Description
Search/Exam
Feb 25, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 25, 2022
Oct 19, 2021
Annex to the communication
Search/Exam
Oct 19, 2021
Communication from the Examining Division
Search/Exam
Aug 18, 2021
Aug 18, 2021
Aug 12, 2021
(Electronic) Receipt
Search/Exam
Aug 12, 2021
Citation filed by a third party
Search/Exam
Aug 12, 2021
Citation filed by a third party
Search/Exam
Aug 12, 2021
Citation filed by a third party
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Aug 12, 2021
Citation filed by a third party
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Aug 12, 2021
Citation filed by a third party
Search/Exam
Aug 12, 2021
Citation filed by a third party
Search/Exam
Aug 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 12, 2021
Observations by third parties
Search/Exam
Aug 12, 2021
Patent document filed by a Third party
Search/Exam
Jul 23, 2021
(Electronic) Receipt
Search/Exam
Jul 23, 2021
Amended claims with annotations
Search/Exam
Jul 23, 2021
Amended description with annotations
Search/Exam
Jul 23, 2021
Claims
Search/Exam
Jul 23, 2021
Description
Search/Exam
Jul 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 23, 2021
Mar 15, 2021
Annex to the communication
Search/Exam
Mar 15, 2021
Communication from the Examining Division
Search/Exam
Mar 9, 2021
Examination started
Search/Exam
Jan 11, 2021
Dec 21, 2020
(Electronic) Receipt
Search/Exam
Dec 21, 2020
Dec 21, 2020
Amended claims with annotations
Search/Exam
Dec 21, 2020
Dec 21, 2020
Amended description with annotations
Search/Exam
Dec 21, 2020
Amendments received before examination
Search/Exam
Dec 21, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 18, 2020
Aug 12, 2020
Jun 10, 2020
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Communication to designated inventor
Search/Exam
Jun 8, 2020
Communication to designated inventor
Search/Exam
Jun 8, 2020
Communication to designated inventor
Search/Exam
Jun 8, 2020
Communication to designated inventor
Search/Exam
May 20, 2020
May 1, 2020
(Electronic) Receipt
Search/Exam
May 1, 2020
Priority search results
Search/Exam
May 1, 2020
Request for entry into the European phase
Search/Exam
Mar 13, 2020
Information on entry into European phase
Search/Exam
Jul 3, 2019
May 9, 2019
Copy of the international search report
Search/Exam
May 9, 2019
Published international application - A1
Search/Exam
Apr 2, 2019
ISR: cited documents
PCTISA
Apr 2, 2019
Apr 2, 2019
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Feb 8, 2019
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Nov 20, 2018
Nov 2, 2018
Abstract
PCTISA
Nov 2, 2018
Claims
PCTISA
Nov 2, 2018
Description
PCTISA
Nov 2, 2018
Drawings
PCTISA
Nov 2, 2018
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