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The patent EP2422153 was granted to DRR Systems on Oct 24, 2018. The application was filed on Apr 22, 2010 under application number EP10715814A. 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 |
|---|---|---|---|
| EISENMANN | Jul 24, 2019 | OSTERTAG & PARTNER PATENTANWALTE MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE2945914 |
| INTERNATIONAL-SEARCH-REPORT | DE19735322 |
| INTERNATIONAL-SEARCH-REPORT | DE19941184 |
| INTERNATIONAL-SEARCH-REPORT | EP1762802 |
| INTERNATIONAL-SEARCH-REPORT | GB2123936 |
| INTERNATIONAL-SEARCH-REPORT | US1606442 |
| INTERNATIONAL-SEARCH-REPORT | US3947235 |
| INTERNATIONAL-SEARCH-REPORT | US4656758 |
| INTERNATIONAL-SEARCH-REPORT | US5309650 |
| OPPOSITION | DE1095497 |
| OPPOSITION | DE19735322 |
| OPPOSITION | DE19941184 |
| OPPOSITION | DE2338871 |
| OPPOSITION | DE3842642 |
| OPPOSITION | EP0706021 |
| OPPOSITION | EP0911086 |
| OPPOSITION | EP1076218 |
| OPPOSITION | EP1080788 |
| OPPOSITION | EP1762802 |
| OPPOSITION | GB2123936 |
| OPPOSITION | US1606442 |
| OPPOSITION | US3947235 |
| OPPOSITION | US4656758 |
| OPPOSITION | US5309650 |
| OPPOSITION | WO8911074 |
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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Description
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Nov 5, 2018
Sep 27, 2018
Decision to grant a European patent
Search/Exam
Sep 13, 2018
(Electronic) Receipt
Search/Exam
Sep 13, 2018
Filing of the translations of the claims
Search/Exam
Sep 13, 2018
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Sep 7, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 7, 2018
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(Electronic) Receipt
Search/Exam
Aug 8, 2018
Amended claims with annotations
Search/Exam
Aug 8, 2018
Claims
Search/Exam
Aug 8, 2018
English translation of the claims
Search/Exam
Aug 8, 2018
French translation of claims
Search/Exam
Aug 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 8, 2018
Jun 22, 2018
Jun 22, 2018
Jun 22, 2018
Intention to grant (signatures)
Search/Exam
Jun 22, 2018
Text intended for grant (clean copy)
Search/Exam
Jun 22, 2018
Feb 21, 2018
Feb 16, 2018
(Electronic) Receipt
Search/Exam
Feb 16, 2018
Amended claims with annotations
Search/Exam
Feb 16, 2018
Amended description with annotations
Search/Exam
Feb 16, 2018
Claims
Search/Exam
Feb 16, 2018
Description
Search/Exam
Feb 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 16, 2018
Feb 14, 2018
Oct 25, 2017
Annex to the communication
Search/Exam
Oct 25, 2017
Oct 25, 2017
Jul 4, 2017
(Electronic) Receipt
Search/Exam
Jul 4, 2017
Amended claims with annotations
Search/Exam
Jul 4, 2017
Claims
Search/Exam
Jul 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 4, 2017
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Annex to the communication
Search/Exam
Jan 10, 2017
Communication from the Examining Division
Search/Exam
Dec 19, 2016
Submission concerning representation
Search/Exam
Oct 26, 2016
Sep 23, 2016
Annexes in respect of a client data request
Search/Exam
Sep 23, 2016
Jul 12, 2016
Amended claims with annotations
Search/Exam
Jul 12, 2016
Amended description with annotations
Search/Exam
Jul 12, 2016
Claims
Search/Exam
Jul 12, 2016
Description
Search/Exam
Jul 12, 2016
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Annex to the communication
Search/Exam
Feb 4, 2016
Communication from the Examining Division
Search/Exam
Sep 12, 2015
Amended claims with annotations
Search/Exam
Sep 12, 2015
Claims
Search/Exam
Sep 12, 2015
Aug 26, 2015
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Annex to the communication
Search/Exam
Apr 22, 2015
Communication from the Examining Division
Search/Exam
Feb 24, 2015
Submission concerning representation
Search/Exam
Jun 4, 2012
Feb 1, 2012
Dec 14, 2011
Refund of fees
Search/Exam
Dec 6, 2011
Nov 22, 2011
(Electronic) Receipt
Search/Exam
Nov 22, 2011
Nov 22, 2011
Amendments received before examination
Search/Exam
Nov 22, 2011
Request for entry into the European phase
Search/Exam
Nov 1, 2011
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Information on entry into European phase
Search/Exam
Jul 19, 2011
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Notification of the recording of a change
Search/Exam
Apr 27, 2011
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Notification of election of EPO
Search/Exam
Mar 7, 2011
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Copy of the international search report
Search/Exam
Mar 3, 2011
Copy of the international search report
Search/Exam
Mar 3, 2011
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PCT demand form
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Mar 1, 2011
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PCT demand form
PCT2
Feb 24, 2011
PCT demand form
PCT2
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Oct 28, 2010
Published international application - A2
Search/Exam
Apr 22, 2010
(Electronic) Receipt
PCTRO
Apr 22, 2010
Abstract
PCTRO
Apr 22, 2010
Claims
PCTRO
Apr 22, 2010
Description
PCTRO
Apr 22, 2010
Drawings
PCTRO