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The patent EP2666612 was granted to MTU Aero Engines on Nov 28, 2018. The application was filed on May 25, 2012 under application number EP12169446A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| CONCEPT LASER | Aug 28, 2019 | HAFNER & KOHL PARTMBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102007056984 |
| OPPOSITION | DE102007056984 |
| OPPOSITION | DE10310385 |
| OPPOSITION | DE202010010771U |
| OPPOSITION | EP1466718 |
| OPPOSITION | US2002145213 |
| OPPOSITION | US2004026807 |
| OPPOSITION | US2008262659 |
| OPPOSITION | US2012193841 |
| OPPOSITION | US7515986 |
| OPPOSITION | WO2007147221 |
| SEARCH | DE202010010771U |
| SEARCH | EP1466718 |
| SEARCH | US2009206065 |
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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Dec 10, 2018
Nov 2, 2018
Decision to grant a European patent
Search/Exam
Oct 16, 2018
(Electronic) Receipt
Search/Exam
Oct 16, 2018
English translation of the claims
Search/Exam
Oct 16, 2018
Filing of the translations of the claims
Search/Exam
Oct 16, 2018
French translation of claims
Search/Exam
Oct 16, 2018
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Aug 14, 2018
Text intended for grant (clean copy)
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Aug 14, 2018
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(Electronic) Receipt
Search/Exam
May 16, 2018
Amended claims with annotations
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May 16, 2018
Amended claims with annotations
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Amended description with annotations
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Amended description with annotations
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Claims
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May 16, 2018
Claims
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May 16, 2018
Description
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May 16, 2018
Description
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May 16, 2018
Letter accompanying subsequently filed items
Search/Exam
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Annex to the communication
Search/Exam
Jan 31, 2018
Communication from the Examining Division
Search/Exam
Jun 9, 2015
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Amended claims with annotations
Search/Exam
Apr 17, 2014
Amendments received before examination
Search/Exam
Apr 17, 2014
Payment of fees and costs
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Apr 17, 2014
Payment of fees and costs
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Notification of forthcoming publication
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Sep 27, 2013
Oct 31, 2012
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European search opinion
Search/Exam
Oct 31, 2012
European search report
Search/Exam
May 25, 2012
Abstract
Search/Exam
May 25, 2012
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Claims
Search/Exam
May 25, 2012
Description
Search/Exam
May 25, 2012
Designation of inventor
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May 25, 2012
Designation of inventor
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May 25, 2012
Designation of inventor
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Designation of inventor
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May 25, 2012
Drawings
Search/Exam
May 25, 2012
Request for grant of a European patent
Search/Exam