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The patent EP2490851 was granted to GE OIL & GAS I on Dec 19, 2018. The application was originally filed on Sep 14, 2010 under application number EP10757520A. The patent is currently recorded with a legal status of "Opposition Rejected".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2006138092 |
| DESCRIPTION | US6562227 |
| DESCRIPTION | US6787728 |
| INTERNATIONAL-SEARCH-REPORT | EP0406918 |
| INTERNATIONAL-SEARCH-REPORT | EP1211009 |
| INTERNATIONAL-SEARCH-REPORT | US2008173618 |
| OPPOSITION | EP0406918 |
| OPPOSITION | EP1211009 |
| OPPOSITION | EP1808251 |
| OPPOSITION | GB1293576 |
| OPPOSITION | GB2357339 |
| OPPOSITION | JPH0230431 |
| OPPOSITION | US2008173618 |
| OPPOSITION | US2969482 |
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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Jun 29, 2021
Jun 29, 2021
Jun 24, 2021
Mar 18, 2021
Mar 12, 2021
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Means of redress
OPPO
Mar 12, 2021
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Nov 13, 2020
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Jun 26, 2020
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Authorisation
OPPO
Feb 3, 2020
Feb 3, 2020
Jan 29, 2020
Jan 29, 2020
Jan 29, 2020
Jan 29, 2020
Oct 4, 2019
Oct 4, 2019
Aug 30, 2019
Aug 22, 2019
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May 13, 2019
May 7, 2019
May 2, 2019
May 2, 2019
Jan 3, 2019
Nov 22, 2018
Decision to grant a European patent
Search/Exam
Nov 2, 2018
(Electronic) Receipt
Search/Exam
Nov 2, 2018
French translation of claims
Search/Exam
Nov 2, 2018
German translation of the claims
Search/Exam
Nov 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Intention to grant (signatures)
Search/Exam
Jul 24, 2018
Text intended for grant (clean copy)
Search/Exam
Jul 24, 2018
Dec 12, 2013
(Electronic) Receipt
Search/Exam
Dec 12, 2013
Amended claims with annotations
Search/Exam
Dec 12, 2013
Amended description with annotations
Search/Exam
Dec 12, 2013
Claims
Search/Exam
Dec 12, 2013
Description
Search/Exam
Dec 12, 2013
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2013
Oct 18, 2013
Oct 11, 2013
(Electronic) Receipt
Search/Exam
Oct 11, 2013
Jul 1, 2013
Submission concerning representation
Search/Exam
Jun 3, 2013
Annex to the communication
Search/Exam
Jun 3, 2013
Jun 3, 2013
Dec 14, 2012
(Electronic) Receipt
Search/Exam
Dec 14, 2012
Dec 14, 2012
Amended claims with annotations
Search/Exam
Dec 14, 2012
Dec 14, 2012
Amended description with annotations
Search/Exam
Dec 14, 2012
Amendments received before examination
Search/Exam
Dec 14, 2012
Letter accompanying subsequently filed items
Search/Exam
Oct 15, 2012
Letter accompanying subsequently filed items
Search/Exam
Oct 15, 2012
Aug 9, 2012
Aug 1, 2012
Jul 18, 2012
Jun 27, 2012
Enquiry with the International Bureau
Search/Exam
Jun 4, 2012
May 9, 2012
Apr 19, 2012
(Electronic) Receipt
Search/Exam
Apr 19, 2012
Request for entry into the European phase
Search/Exam
Mar 5, 2012
Information on entry into European phase
Search/Exam
Apr 28, 2011
Copy of the international search report
Search/Exam
Apr 28, 2011
Published international application - A1
Search/Exam
Dec 13, 2010
Dec 13, 2010
Dec 13, 2010
Sep 23, 2010
Abstract
PCTISA
Sep 23, 2010
Claims
PCTISA
Sep 23, 2010
Description
PCTISA
Sep 23, 2010
Drawings
PCTISA
Sep 23, 2010