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The patent EP2809922 was granted to Raytheon on Jan 26, 2022. The application was filed on Jan 30, 2013 under application number EP13778330A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| SAFRAN AIRCRAFT ENGINES | Mar 20, 2019 | REGIMBEAU | ADMISSIBLE |
| ROLLS ROYCE | Mar 19, 2019 | ROLLS ROYCE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2006288686 |
| INTERNATIONAL-SEARCH-REPORT | US2008098718 |
| INTERNATIONAL-SEARCH-REPORT | US2009056343 |
| INTERNATIONAL-SEARCH-REPORT | US3747343 |
| INTERNATIONAL-SEARCH-REPORT | US7721549 |
| OPPOSITION | FR2563865 |
| OPPOSITION | US4827712 |
| SEARCH | US2009229242 |
| SEARCH | WO2013102191 |
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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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Amended description with annotations
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Description
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Letter accompanying subsequently filed items
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CDS Clean up - amended applicant details
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European search opinion
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Supplementary European search report
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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Request for entry into the European phase
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Copy of the international search report
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Oct 24, 2013
Published international application - A1
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