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The patent EP2149679 was granted to Rolls Royce on Mar 9, 2022. The application was originally filed on Jun 17, 2009 under application number EP09251578A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Feb 10, 2022
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Jan 27, 2022
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Oct 18, 2021
Oct 18, 2021
Oct 18, 2021
Oct 7, 2021
Sep 10, 2021
Refund of fees
Appeal
Sep 8, 2021
Sep 8, 2021
Sep 1, 2021
Aug 18, 2021
(Electronic) Receipt
Appeal
Aug 18, 2021
Aug 18, 2021
Withdrawal of an appeal
Appeal
Jul 6, 2021
Jul 6, 2021
Jun 23, 2021
(Electronic) Receipt
Appeal
Jun 23, 2021
Jun 23, 2021
Notice of appeal
Appeal
Jun 16, 2021
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Means of redress
OPPO
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Description
OPPO
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Dec 17, 2019
(Electronic) Receipt
Search/Exam
Dec 17, 2019
Advice of delivery
Search/Exam
Dec 17, 2019
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Letter accompanying subsequently filed items
Search/Exam
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Claims
OPPO
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Claims
OPPO
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Claims
OPPO
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Claims
OPPO
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Claims
OPPO
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Claims
OPPO
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Description
OPPO
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Decision to grant a European patent
Search/Exam
Apr 26, 2018
(Electronic) Receipt
Search/Exam
Apr 26, 2018
French translation of claims
Search/Exam
Apr 26, 2018
German translation of the claims
Search/Exam
Apr 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 17, 2018
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Intention to grant (signatures)
Search/Exam
Apr 17, 2018
Text intended for grant (clean copy)
Search/Exam
Apr 17, 2018
Aug 10, 2017
(Electronic) Receipt
Search/Exam
Aug 10, 2017
Amended claims with annotations
Search/Exam
Aug 10, 2017
Claims
Search/Exam
Aug 10, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2017
Jun 26, 2017
Jun 20, 2017
(Electronic) Receipt
Search/Exam
Jun 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 20, 2017
Feb 10, 2017
Annex to the communication
Search/Exam
Feb 10, 2017
Communication from the Examining Division
Search/Exam
Feb 3, 2017
Examination started
Search/Exam
Nov 14, 2016
Jun 24, 2015
Jun 23, 2015
Jun 15, 2015
Apr 16, 2014
Refund of fees
Search/Exam
Apr 2, 2014
(Electronic) Receipt
Search/Exam
Apr 2, 2014
Apr 2, 2014
Amended claims with annotations
Search/Exam
Apr 2, 2014
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Amended description with annotations
Search/Exam
Apr 2, 2014
Amendments received before examination
Search/Exam
Apr 2, 2014
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2013
Aug 29, 2013
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European search opinion
Search/Exam
Aug 29, 2013
European search report
Search/Exam
Aug 22, 2013
Search started
Search/Exam
Apr 26, 2010
Apr 20, 2010
Submission concerning representation
Search/Exam
Jan 7, 2010
Notification of forthcoming publication
Search/Exam
Jul 29, 2009
Refund of fees
Search/Exam
Jun 17, 2009
Abstract
Search/Exam
Jun 17, 2009
Claims
Search/Exam
Jun 17, 2009
Description
Search/Exam
Jun 17, 2009
Designation of inventor
Search/Exam
Jun 17, 2009
Drawings
Search/Exam
Jun 17, 2009
Drawings
Search/Exam
Jun 17, 2009
Priority document
Search/Exam
Jun 17, 2009
Request for grant of a European patent
Search/Exam