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The patent EP3000990 was granted to Rolls Royce on May 29, 2019. The application was filed on Sep 3, 2015 under application number EP15183623A. 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 |
|---|---|---|---|
| MTU AERO ENGINES | Feb 27, 2020 | WALLINGER RICKER SCHLOTTER TOSTMANN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE10048156 |
| OPPOSITION | DE10247355 |
| OPPOSITION | DE10251468 |
| OPPOSITION | DE19959665 |
| OPPOSITION | DE2554563 |
| OPPOSITION | EP0563054 |
| OPPOSITION | EP0618349 |
| OPPOSITION | EP0844369 |
| OPPOSITION | EP1148221 |
| OPPOSITION | EP1184552 |
| OPPOSITION | EP1462616 |
| OPPOSITION | EP2696037 |
| OPPOSITION | EP2719869 |
| OPPOSITION | EP2728122 |
| OPPOSITION | EP2947281 |
| OPPOSITION | GB2239678 |
| OPPOSITION | US4815933 |
| OPPOSITION | US5188507 |
| OPPOSITION | US5201846 |
| OPPOSITION | US5333995 |
| OPPOSITION | WO2014150353 |
| OPPOSITION | WO2014168804 |
| SEARCH | EP2696037 |
| SEARCH | US4815933 |
| SEARCH | US5188507 |
| SEARCH | WO2014168804 |
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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May 3, 2019
Decision to grant a European patent
Search/Exam
Apr 16, 2019
(Electronic) Receipt
Search/Exam
Apr 16, 2019
Filing of the translations of the claims
Search/Exam
Apr 16, 2019
French translation of claims
Search/Exam
Apr 16, 2019
German translation of the claims
Search/Exam
Mar 27, 2019
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Mar 27, 2019
Intention to grant (signatures)
Search/Exam
Mar 27, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 27, 2019
Jan 22, 2019
(Electronic) Receipt
Search/Exam
Jan 22, 2019
Amended claims with annotations
Search/Exam
Jan 22, 2019
Claims
Search/Exam
Jan 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2019
Sep 21, 2018
Annex to the communication
Search/Exam
Sep 21, 2018
Communication from the Examining Division
Search/Exam
Sep 17, 2018
Examination started
Search/Exam
Sep 30, 2016
(Electronic) Receipt
Search/Exam
Sep 30, 2016
Sep 30, 2016
Amended claims with annotations
Search/Exam
Sep 30, 2016
Amendments received before examination
Search/Exam
Sep 30, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 4, 2016
Mar 2, 2016
Notification of forthcoming publication
Search/Exam
Feb 24, 2016
Feb 24, 2016
European search opinion
Search/Exam
Feb 24, 2016
European search report
Search/Exam
Feb 24, 2016
Information on Search Strategy
Search/Exam
Dec 21, 2015
Dec 14, 2015
Letter which had not been notified
Search/Exam
Oct 27, 2015
Communication to designated inventor
Search/Exam
Oct 27, 2015
Communication to designated inventor
Search/Exam
Sep 7, 2015
Letter concerning the priority
Search/Exam
Sep 7, 2015
Priority document
Search/Exam
Sep 3, 2015
Abstract
Search/Exam
Sep 3, 2015
Sep 3, 2015
Claims
Search/Exam
Sep 3, 2015
Description
Search/Exam
Sep 3, 2015
Designation of inventor
Search/Exam
Sep 3, 2015
Drawings
Search/Exam
Sep 3, 2015
Request for grant of a European patent
Search/Exam