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The patent EP2089164 was granted to DRR Systems on Aug 24, 2022. The application was filed on Nov 5, 2007 under application number EP07819602A. 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 |
|---|---|---|---|
| EISENMANN | Feb 1, 2019 | OSTERTAG & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10157966 |
| DESCRIPTION | DE102004038017 |
| DESCRIPTION | DE10342643 |
| DESCRIPTION | DE10358646 |
| DESCRIPTION | DE19860087 |
| DESCRIPTION | DE3534269 |
| DESCRIPTION | DE4105116 |
| DESCRIPTION | WO2005044466 |
| EXAMINATION | EP1134027 |
| EXAMINATION | EP1208915 |
| EXAMINATION | GB2084048 |
| EXAMINATION | US4380321 |
| EXAMINATION | US5058812 |
| EXAMINATION | US5676756 |
| INTERNATIONAL-SEARCH-REPORT | EP1134027 |
| INTERNATIONAL-SEARCH-REPORT | EP1208915 |
| INTERNATIONAL-SEARCH-REPORT | GB2084048 |
| INTERNATIONAL-SEARCH-REPORT | US4380321 |
| INTERNATIONAL-SEARCH-REPORT | US5058812 |
| INTERNATIONAL-SEARCH-REPORT | US5676756 |
| OPPOSITION | DE10157966 |
| OPPOSITION | DE102004038017 |
| OPPOSITION | DE10342643 |
| OPPOSITION | DE10358646 |
| OPPOSITION | DE19860087 |
| OPPOSITION | DE3534269 |
| OPPOSITION | DE4105116 |
| OPPOSITION | DE9106610U |
| OPPOSITION | EP1134027 |
| OPPOSITION | EP1153664 |
| OPPOSITION | EP1208915 |
| OPPOSITION | GB2084048 |
| OPPOSITION | JPH07185405 |
| OPPOSITION | US4380321 |
| OPPOSITION | US4993353 |
| OPPOSITION | US5058812 |
| OPPOSITION | US5676756 |
| OPPOSITION | WO2005044466 |
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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Decision to grant a European patent
Search/Exam
Mar 23, 2018
(Electronic) Receipt
Search/Exam
Mar 23, 2018
English translation of the claims
Search/Exam
Mar 23, 2018
Filing of the translations of the claims
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French translation of claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Dec 5, 2017
Text intended for grant (clean copy)
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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Annex to the communication
Search/Exam
Feb 1, 2017
Communication from the Examining Division
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Sep 28, 2016
Amended claims with annotations
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Amended description with annotations
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Claims
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Sep 28, 2016
Description
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Annex to the communication
Search/Exam
Jun 24, 2016
Communication from the Examining Division
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Examination started
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Amended claims with annotations
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Jan 20, 2010
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Copy of the international search report
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Aug 28, 2008
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Published international application - A2
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Request for entry into the European phase
Search/Exam
Jan 25, 2008
Nov 5, 2007
Abstract
PCTRO
Nov 5, 2007
Claims
PCTRO
Nov 5, 2007
Description
PCTRO
Nov 5, 2007
Drawings
PCTRO