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The patent EP3541174 was granted to Marine Constructions on Dec 6, 2023. The application was filed on Nov 14, 2017 under application number EP17801665A. 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 |
|---|---|---|---|
| AKER SOLUTIONS | Jul 17, 2024 | ZACCO NORWAY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | NO20120807 |
| DESCRIPTION | US6230646 |
| DESCRIPTION | WO0165925 |
| DESCRIPTION | WO2011133045 |
| DESCRIPTION | WO2014032199 |
| INTERNATIONAL-SEARCH-REPORT | AU2014201866 |
| INTERNATIONAL-SEARCH-REPORT | CN103026991 |
| INTERNATIONAL-SEARCH-REPORT | JP2015173627 |
| INTERNATIONAL-SEARCH-REPORT | US2016183501 |
| INTERNATIONAL-SEARCH-REPORT | US5193481 |
| INTERNATIONAL-SEARCH-REPORT | WO2006063412 |
| INTERNATIONAL-SEARCH-REPORT | WO2017153417 |
| INTERNATIONAL-SEARCH-REPORT | WO9304576 |
| OPPOSITION | KR20090096843 |
| OPPOSITION | US4408454 |
| OPPOSITION | US5617813 |
| OPPOSITION | WO2014032199 |
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.
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Decision to grant a European patent
Search/Exam
Oct 23, 2023
(Electronic) Receipt
Search/Exam
Oct 23, 2023
Filing of the translations of the claims
Search/Exam
Oct 23, 2023
French translation of claims
Search/Exam
Oct 23, 2023
German translation of the claims
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Oct 23, 2023
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Jun 19, 2023
Text intended for grant (clean copy)
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Jun 19, 2023
May 1, 2023
Examination started
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Oct 27, 2022
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(Electronic) Receipt
Search/Exam
Oct 14, 2022
Enquiry as to the processing of the file
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Oct 14, 2022
Letter accompanying subsequently filed items
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Amended description with annotations
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Dec 5, 2019
Amendments received before examination
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Dec 5, 2019
Letter accompanying subsequently filed items
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Communication to designated inventor
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Jun 25, 2019
Communication to designated inventor
Search/Exam
Jun 14, 2019
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(Electronic) Receipt
Search/Exam
Jun 13, 2019
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Amended claims with annotations
Search/Exam
Jun 13, 2019
Priority search results
Search/Exam
Jun 13, 2019
Request for entry into the European phase
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Mar 29, 2019
Information on entry into European phase
Search/Exam
Jun 14, 2018
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Copy of the international search report
Search/Exam
May 24, 2018
Published international application - A1
Search/Exam
Feb 16, 2018
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(Electronic) Receipt
PCTRO
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(Electronic) Receipt
PCTRO
Nov 14, 2017
Abstract
PCTRO
Nov 14, 2017
Claims
PCTRO
Nov 14, 2017
Description
PCTRO
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Drawings
PCTRO
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