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The patent EP2795055 was granted to Energy Consortium on Jan 10, 2018. The application was filed on Dec 19, 2012 under application number EP12830562A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| EQUINOR ASA | Oct 9, 2018 | GORDON | ADMISSIBLE |
| GASSNOVA SF | Oct 9, 2018 | ZACCO | ADMISSIBLE |
| HARGREAVES ELSWORTH | Mar 28, 2018 | ELSWORTH | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | NO316545B |
| DESCRIPTION | WO2004010568 |
| DESCRIPTION | WO9421512 |
| DESCRIPTION | WO9964719 |
| INTERNATIONAL-SEARCH-REPORT | EP1004746 |
| INTERNATIONAL-SEARCH-REPORT | GB2111602 |
| INTERNATIONAL-SEARCH-REPORT | US2007237696 |
| INTERNATIONAL-SEARCH-REPORT | US2008141672 |
| INTERNATIONAL-SEARCH-REPORT | US2009100754 |
| INTERNATIONAL-SEARCH-REPORT | US2011067302 |
| INTERNATIONAL-SEARCH-REPORT | US2011245937 |
| INTERNATIONAL-SEARCH-REPORT | WO2006097703 |
| INTERNATIONAL-SEARCH-REPORT | WO2009120779 |
| INTERNATIONAL-SEARCH-REPORT | WO2009121008 |
| INTERNATIONAL-SEARCH-REPORT | WO2011077106 |
| OPPOSITION | EP1004746 |
| OPPOSITION | GB2111602 |
| OPPOSITION | NO20110572 |
| OPPOSITION | NO20111770 |
| OPPOSITION | US2007237696 |
| OPPOSITION | US2008141672 |
| OPPOSITION | US2009100754 |
| OPPOSITION | US2011067302 |
| OPPOSITION | US2011245937 |
| OPPOSITION | WO03018958 |
| OPPOSITION | WO03018959 |
| OPPOSITION | WO2004010568 |
| OPPOSITION | WO2004055323 |
| OPPOSITION | WO2005007776 |
| OPPOSITION | WO2006097703 |
| OPPOSITION | WO2009120779 |
| OPPOSITION | WO2009121008 |
| OPPOSITION | WO2011077106 |
| OPPOSITION | WO2011082037 |
| OPPOSITION | WO9421512 |
| OPPOSITION | WO9964719 |
| SEARCH | NO332044B |
| SEARCH | US2007237696 |
| SEARCH | WO2004010568 |
| SEARCH | WO9964719 |
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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Description
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Notice of appeal
Appeal
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Feb 25, 2019
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Submission concerning representation
Search/Exam
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Decision to grant a European patent
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Dec 6, 2017
Text intended for grant (clean copy)
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Dec 6, 2017
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(Electronic) Receipt
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Nov 3, 2017
Claims
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Nov 3, 2017
French translation of claims
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Nov 3, 2017
German translation of the claims
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Nov 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 3, 2017
Oct 25, 2017
(Electronic) Receipt
Search/Exam
Oct 25, 2017
Annexes in respect of a client data request
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Oct 25, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 25, 2017
Aug 21, 2017
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Aug 21, 2017
Intention to grant (signatures)
Search/Exam
Aug 21, 2017
Text intended for grant (clean copy)
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Aug 21, 2017
Aug 7, 2017
Jul 5, 2017
(Electronic) Receipt
Search/Exam
Jul 5, 2017
Claims
Search/Exam
Jul 5, 2017
Claims
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Jul 5, 2017
Letter accompanying subsequently filed items
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Jul 5, 2017
Jun 29, 2017
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Intention to grant (signatures)
Search/Exam
Jun 29, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 29, 2017
May 15, 2017
(Electronic) Receipt
Search/Exam
May 15, 2017
Amended claims with annotations
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May 15, 2017
Claims
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May 15, 2017
Letter accompanying subsequently filed items
Search/Exam
May 15, 2017
May 9, 2017
Annex to the communication
Search/Exam
May 9, 2017
Communication from the Examining Division
Search/Exam
Apr 27, 2017
(Electronic) Receipt
Search/Exam
Apr 27, 2017
Enquiry as to the processing of the file
Search/Exam
Apr 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 11, 2017
(Electronic) Receipt
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Apr 11, 2017
Amended claims with annotations
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Apr 11, 2017
Claims
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Apr 11, 2017
Description
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Apr 11, 2017
Letter accompanying subsequently filed items
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Apr 11, 2017
Mar 13, 2017
Annex to the communication
Search/Exam
Mar 13, 2017
Communication from the Examining Division
Search/Exam
Dec 16, 2016
Dec 16, 2016
Dec 12, 2016
(Electronic) Receipt
Search/Exam
Dec 12, 2016
Amended claims with annotations
Search/Exam
Dec 12, 2016
Claims
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Dec 12, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2016
Dec 9, 2016
(Electronic) Receipt
Search/Exam
Dec 9, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 9, 2016
Nov 15, 2016
Annex to the communication
Search/Exam
Nov 15, 2016
Communication from the Examining Division
Search/Exam
Nov 8, 2016
Examination started
Search/Exam
Sep 2, 2016
Jun 13, 2016
(Electronic) Receipt
Search/Exam
Jun 13, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 13, 2016
Priority search results
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Jun 13, 2016
Priority search results
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May 25, 2016
Apr 27, 2016
(Electronic) Receipt
Search/Exam
Apr 27, 2016
Apr 27, 2016
Amended claims with annotations
Search/Exam
Apr 27, 2016
Amendments received before examination
Search/Exam
Apr 27, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 30, 2015
Letter concerning fees and payments
Search/Exam
Dec 30, 2015
Payment of fees and costs
Search/Exam
Dec 30, 2015
Payment of fees and costs
Search/Exam
Oct 20, 2015
Oct 1, 2015
Oct 1, 2015
European search opinion
Search/Exam
Oct 1, 2015
Supplementary European search report
Search/Exam
Sep 23, 2015
Search started
Search/Exam
Aug 26, 2015
Refund of fees
Search/Exam
Aug 26, 2015
Refund of fees
Search/Exam
Jan 13, 2015
Communication to designated inventor
Search/Exam
Dec 16, 2014
(Electronic) Receipt
Search/Exam
Dec 16, 2014
Letter concerning the inventor
Search/Exam
Nov 20, 2014
(Electronic) Receipt
Search/Exam
Nov 20, 2014
Letter accompanying subsequently filed items
Search/Exam
Nov 19, 2014
Note on telephone consultation
Search/Exam
Nov 14, 2014
Note on telephone consultation
Search/Exam
Nov 10, 2014
Oct 20, 2014
Letter which had not been notified
Search/Exam
Oct 7, 2014
Oct 6, 2014
Oct 1, 2014
Sep 24, 2014
Refund of fees
Search/Exam
Sep 24, 2014
Refund of fees
Search/Exam
Sep 22, 2014
Communication to designated inventor
Search/Exam
Sep 12, 2014
Sep 11, 2014
(Electronic) Receipt
Search/Exam
Sep 11, 2014
Letter accompanying subsequently filed items
Search/Exam
Sep 11, 2014
Submission concerning representation
Search/Exam
Sep 5, 2014
Aug 28, 2014
(Electronic) Receipt
Search/Exam
Aug 28, 2014
Letter accompanying subsequently filed items
Search/Exam
Aug 28, 2014
Letter concerning fees and payments
Search/Exam
Aug 28, 2014
Note on telephone consultation
Search/Exam
Jul 21, 2014
(Electronic) Receipt
Search/Exam
Jul 21, 2014
Jul 21, 2014
Request for entry into the European phase
Search/Exam
Jul 2, 2014
Jul 2, 2014
Feb 11, 2014
Letter which had not been notified
Search/Exam
Jan 17, 2014
Information on entry into European phase
Search/Exam
Jul 30, 2013
Notification of election of EPO
Search/Exam
Jul 4, 2013
Copy of the international search report
Search/Exam
Jul 4, 2013
Apr 3, 2013
Mar 14, 2013
Published international application - A2
Search/Exam