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The patent EP2771538 was granted to Subsea Solutions on Oct 16, 2024. The application was filed on Oct 25, 2012 under application number EP12843074A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| SIEMENS | Oct 23, 2018 | SIEMENS PATENT ATTORNEYS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2013112054 |
| INTERNATIONAL-SEARCH-REPORT | NO20110764 |
| INTERNATIONAL-SEARCH-REPORT | US2005178560 |
| INTERNATIONAL-SEARCH-REPORT | US2008302536 |
| INTERNATIONAL-SEARCH-REPORT | US3894560 |
| INTERNATIONAL-SEARCH-REPORT | US4174000 |
| OPPOSITION | US2008264646 |
| OPPOSITION | US2011114329 |
| OPPOSITION | WO2009045110 |
| SEARCH | US3894560 |
| SEARCH | US4174000 |
| SEARCH | WO2013112054 |
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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Sep 19, 2024
Sep 19, 2024
May 29, 2024
May 29, 2024
May 29, 2024
Description
OPPO
May 29, 2024
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Oct 16, 2023
(Electronic) Receipt
Appeal
Oct 16, 2023
Oct 16, 2023
Sep 15, 2023
(Electronic) Receipt
Appeal
Sep 15, 2023
Sep 12, 2023
Sep 12, 2023
Sep 7, 2023
(Electronic) Receipt
Appeal
Sep 7, 2023
Sep 7, 2023
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Sep 1, 2023
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(Electronic) Receipt
Appeal
May 23, 2023
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Advice of delivery
Appeal
May 16, 2023
May 16, 2023
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Dec 21, 2021
Nov 16, 2021
Nov 11, 2021
(Electronic) Receipt
Appeal
Nov 11, 2021
Nov 11, 2021
Reply to appeal
Appeal
Sep 6, 2021
Sep 6, 2021
Jul 13, 2021
Jul 6, 2021
(Electronic) Receipt
Appeal
Jul 6, 2021
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(Electronic) Receipt
Appeal
May 3, 2021
May 3, 2021
Notice of appeal
Appeal
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OPPO
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Jan 5, 2018
Decision to grant a European patent
Search/Exam
Dec 12, 2017
(Electronic) Receipt
Search/Exam
Dec 12, 2017
French translation of claims
Search/Exam
Dec 12, 2017
German translation of the claims
Search/Exam
Dec 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 4, 2017
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Intention to grant (signatures)
Search/Exam
Sep 4, 2017
Text intended for grant (clean copy)
Search/Exam
Sep 4, 2017
Jul 10, 2017
Examination started
Search/Exam
Jun 22, 2017
Submission concerning representation
Search/Exam
Mar 17, 2017
Submission concerning representation
Search/Exam
Jan 24, 2017
(Electronic) Receipt
Search/Exam
Jan 24, 2017
Abstract
Search/Exam
Jan 24, 2017
Abstract
Search/Exam
Jan 24, 2017
Jan 24, 2017
Amended claims with annotations
Search/Exam
Jan 24, 2017
Jan 24, 2017
Amended description with annotations
Search/Exam
Jan 24, 2017
Amendments received before examination
Search/Exam
Jan 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2016
Oct 4, 2016
Oct 4, 2016
European search opinion
Search/Exam
Oct 4, 2016
Information on Search Strategy
Search/Exam
Oct 4, 2016
Supplementary European search report
Search/Exam
Sep 22, 2016
Search started
Search/Exam
Aug 6, 2014
Jun 27, 2014
Jun 25, 2014
Communication to designated inventor
Search/Exam
May 7, 2014
(Electronic) Receipt
Search/Exam
May 7, 2014
May 7, 2014
Priority search results
Search/Exam
May 7, 2014
Request for entry into the European phase
Search/Exam
Mar 10, 2014
Information on entry into European phase
Search/Exam
May 24, 2013
May 2, 2013
Published international application - A1
Search/Exam