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The patent EP2958659 was granted to Saipem on Nov 22, 2023. The application was filed on Feb 25, 2014 under application number EP14716000A. 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 |
|---|---|---|---|
| STAMICARBON | Jan 4, 2018 | VO | ADMISSIBLE |
| THYSSENKRUPP INDUSTRIAL SOLUTIONS | Dec 20, 2017 | THYSSENKRUPP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2008141832 |
| DESCRIPTION | WO2010006757 |
| DESCRIPTION | WO2012134288 |
| INTERNATIONAL-SEARCH-REPORT | EP2505581 |
| INTERNATIONAL-SEARCH-REPORT | GB2116531 |
| INTERNATIONAL-SEARCH-REPORT | US2007059228 |
| INTERNATIONAL-SEARCH-REPORT | US2009226353 |
| INTERNATIONAL-SEARCH-REPORT | US2046827 |
| INTERNATIONAL-SEARCH-REPORT | US3522305 |
| INTERNATIONAL-SEARCH-REPORT | WO2011048461 |
| INTERNATIONAL-SEARCH-REPORT | WO2011089635 |
| OPPOSITION | DE3308406 |
| OPPOSITION | DE4116362 |
| OPPOSITION | EP1106239 |
| OPPOSITION | EP2505581 |
| OPPOSITION | GB2116531 |
| OPPOSITION | US2007059228 |
| OPPOSITION | US2009226353 |
| OPPOSITION | US2011158875 |
| OPPOSITION | US2046827 |
| OPPOSITION | US3522305 |
| OPPOSITION | WO2011048461 |
| OPPOSITION | WO2011089635 |
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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Oct 26, 2023
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Means of redress
OPPO
Feb 20, 2023
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Nov 22, 2022
Annexes in respect of a client data request
Search/Exam
Nov 22, 2022
Submission concerning representation
Search/Exam
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OPPO
Mar 7, 2022
Description
OPPO
Mar 7, 2022
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Advice of delivery
Appeal
Sep 13, 2021
Refund of fees
Search/Exam
Sep 9, 2021
Advice of delivery
Appeal
Sep 9, 2021
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Advice of delivery
Appeal
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Advice of delivery
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Advice of delivery
Appeal
Nov 19, 2020
Advice of delivery
Appeal
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Advice of delivery
Appeal
Nov 12, 2020
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Mar 25, 2020
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Claims
Appeal
Mar 25, 2020
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Reply to appeal
Appeal
Feb 12, 2020
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(Electronic) Receipt
Appeal
Nov 4, 2019
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(Electronic) Receipt
Appeal
Aug 7, 2019
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Notice of appeal
Appeal
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OPPO
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OPPO
Feb 11, 2019
Claims
OPPO
Feb 11, 2019
Claims
OPPO
Feb 11, 2019
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OPPO
Feb 11, 2019
Claims
OPPO
Feb 11, 2019
Claims
OPPO
Feb 11, 2019
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OPPO
Feb 11, 2019
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Apr 6, 2017
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Decision to grant a European patent
Search/Exam
Jan 12, 2017
(Electronic) Receipt
Search/Exam
Jan 12, 2017
Filing of the translations of the claims
Search/Exam
Jan 12, 2017
French translation of claims
Search/Exam
Jan 12, 2017
German translation of the claims
Search/Exam
Jan 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 23, 2016
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Intention to grant (signatures)
Search/Exam
Sep 23, 2016
Text intended for grant
Search/Exam
Aug 29, 2016
Examination started
Search/Exam
Dec 2, 2015
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Sep 30, 2015
Communication to designated inventor
Search/Exam
Sep 30, 2015
Communication to designated inventor
Search/Exam
Sep 30, 2015
Communication to designated inventor
Search/Exam
Sep 25, 2015
Priority search results copy provided by EPO
Search/Exam
Sep 1, 2015
Sep 1, 2015
Sep 1, 2015
Reply to Written Opinion prepared by the EPO
Search/Exam
Aug 6, 2015
(Electronic) Receipt
Search/Exam
Aug 6, 2015
Reply to Written Opinion prepared by the EPO
Search/Exam
Aug 6, 2015
Request for entry into the European phase
Search/Exam
Jul 3, 2015
Information on entry into European phase
Search/Exam
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Notification of election of EPO
Search/Exam
Feb 9, 2015
Feb 4, 2015
Written opinion
PCT2
Feb 4, 2015
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PCT demand form
PCT2
Dec 23, 2014
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Aug 28, 2014
Copy of the international search report
Search/Exam
Aug 28, 2014
Published international application - A1
Search/Exam
Jun 19, 2014
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May 23, 2014
Abstract
PCTISA
May 23, 2014
Claims
PCTISA
May 23, 2014
Description
PCTISA
May 23, 2014
Drawings
PCTISA
May 23, 2014
Apr 4, 2014
Abstract
PCTISA
Apr 4, 2014
Abstract
Appeal
Apr 4, 2014
Claims
PCTISA
Apr 4, 2014
Description
PCTISA
Apr 4, 2014
Drawings
PCTISA