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The patent EP2809939 was granted to Raytheon on Dec 27, 2017. The application was filed on Jan 29, 2013 under application number EP13786893A. 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 |
|---|---|---|---|
| ROLLS ROYCE | Sep 26, 2018 | ROLLS ROYCE | ADMISSIBLE |
| SAFRAN AIRCRAFT ENGINES | Sep 24, 2018 | REGIMBEAU | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2003163983 |
| INTERNATIONAL-SEARCH-REPORT | US2006101804 |
| INTERNATIONAL-SEARCH-REPORT | US2007022735 |
| INTERNATIONAL-SEARCH-REPORT | US5971706 |
| INTERNATIONAL-SEARCH-REPORT | US7694505 |
| INTERNATIONAL-SEARCH-REPORT | US7926259 |
| OPPOSITION | EP1898055 |
| OPPOSITION | US3861139 |
| OPPOSITION | US4693616 |
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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Jul 26, 2023
Refund of fees
Appeal
Jul 25, 2023
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Jul 13, 2023
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(Electronic) Receipt
Appeal
Jul 12, 2023
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(Electronic) Receipt
Appeal
Jul 11, 2023
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Jun 1, 2023
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May 17, 2023
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(Electronic) Receipt
Appeal
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Dec 7, 2022
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(Electronic) Receipt
Appeal
Dec 2, 2022
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Nov 29, 2022
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Nov 24, 2022
(Electronic) Receipt
Appeal
Nov 24, 2022
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Apr 29, 2022
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Reply to appeal
Appeal
Apr 21, 2022
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Dec 21, 2021
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(Electronic) Receipt
Appeal
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Claims
Appeal
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(Electronic) Receipt
Appeal
Oct 14, 2021
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Notice of appeal
Appeal
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Nov 30, 2017
Decision to grant a European patent
Search/Exam
Nov 13, 2017
(Electronic) Receipt
Search/Exam
Nov 13, 2017
Filing of the translations of the claims
Search/Exam
Nov 13, 2017
French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
Nov 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 4, 2017
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Intention to grant (signatures)
Search/Exam
Jul 4, 2017
Text intended for grant (clean copy)
Search/Exam
Jul 4, 2017
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(Electronic) Receipt
Search/Exam
May 12, 2017
Amended claims with annotations
Search/Exam
May 12, 2017
Amended description with annotations
Search/Exam
May 12, 2017
Claims
Search/Exam
May 12, 2017
Description
Search/Exam
May 12, 2017
Letter accompanying subsequently filed items
Search/Exam
May 12, 2017
Mar 23, 2017
Annex to the communication
Search/Exam
Mar 23, 2017
Communication from the Examining Division
Search/Exam
Jan 23, 2017
(Electronic) Receipt
Search/Exam
Jan 23, 2017
Annex
Search/Exam
Jan 23, 2017
Annex
Search/Exam
Jan 23, 2017
Annex
Search/Exam
Jan 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 23, 2017
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Annex to the communication
Search/Exam
Sep 12, 2016
Communication from the Examining Division
Search/Exam
Aug 26, 2016
Examination started
Search/Exam
May 20, 2016
(Electronic) Receipt
Search/Exam
May 20, 2016
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Amended claims with annotations
Search/Exam
May 20, 2016
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Amended description with annotations
Search/Exam
May 20, 2016
Amendments received before examination
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May 20, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 10, 2015
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European search opinion
Search/Exam
Oct 23, 2015
Supplementary European search report
Search/Exam
Oct 5, 2015
Search started
Search/Exam
Mar 19, 2015
(Electronic) Receipt
Search/Exam
Mar 19, 2015
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Amended claims with annotations
Search/Exam
Mar 19, 2015
Amendments received before examination
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Mar 19, 2015
Letter accompanying subsequently filed items
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Nov 12, 2014
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Communication to designated inventor
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Sep 5, 2014
Communication to designated inventor
Search/Exam
Aug 20, 2014
Aug 19, 2014
(Electronic) Receipt
Search/Exam
Aug 19, 2014
Request for entry into the European phase
Search/Exam
Jan 16, 2014
Copy of the international search report
Search/Exam
Jan 16, 2014
Dec 4, 2013
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Nov 14, 2013
Published international application - A2
Search/Exam