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The patent EP3804863 was granted to DRR Systems on Oct 19, 2022. The application was filed on Feb 3, 2014 under application number EP20209960A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| ATLAS COPCO | Jul 19, 2023 | PATENTANWALTE BREGENZER UND REULE PARTNERSCHAFTSGESELLSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102009004878 |
| DESCRIPTION | DE102010019612 |
| DESCRIPTION | DE3835078 |
| DESCRIPTION | EP1745858 |
| EXAMINATION | DE3835078 |
| OPPOSITION | DE102013002412 |
| OPPOSITION | WO2014121916 |
| SEARCH | DE3835078 |
| SEARCH | US2004217202 |
| SEARCH | US2004261701 |
| SEARCH | WO2010046064 |
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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Refund of fees
Appeal
Oct 7, 2025
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Sep 30, 2025
(Electronic) Receipt
Appeal
Sep 30, 2025
Sep 30, 2025
Withdrawal of an appeal
Appeal
Sep 5, 2025
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(Electronic) Receipt
Appeal
Sep 2, 2025
Notice of appeal
Appeal
Sep 2, 2025
Notice of appeal
Appeal
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OPPO
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Nov 2, 2022
Sep 22, 2022
Decision to grant a European patent
Search/Exam
Sep 14, 2022
(Electronic) Receipt
Search/Exam
Sep 14, 2022
English translation of the claims
Search/Exam
Sep 14, 2022
Filing of the translations of the claims
Search/Exam
Sep 14, 2022
French translation of claims
Search/Exam
Sep 14, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 15, 2022
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Intention to grant (signatures)
Search/Exam
Jul 15, 2022
Text intended for grant (clean copy)
Search/Exam
Jul 15, 2022
Jun 24, 2022
Examination started
Search/Exam
Mar 25, 2022
Payment submission rejected
Search/Exam
Mar 14, 2022
Mar 1, 2022
Document concerning representation
Search/Exam
Feb 28, 2022
Feb 21, 2022
Letter which had not been notified
Search/Exam
Jan 18, 2022
Jan 18, 2022
Jan 13, 2022
(Electronic) Receipt
Search/Exam
Jan 13, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2022
Observations by third parties
Search/Exam
Jun 23, 2021
(Electronic) Receipt
Search/Exam
Jun 23, 2021
Jun 23, 2021
Amended claims with annotations
Search/Exam
Jun 23, 2021
Jun 23, 2021
Amended description with annotations
Search/Exam
Jun 23, 2021
Amendments received before examination
Search/Exam
Jun 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2021
Mar 17, 2021
Notification of forthcoming publication
Search/Exam
Mar 15, 2021
Refund of fees
Search/Exam
Mar 5, 2021
Mar 5, 2021
European search opinion
Search/Exam
Mar 5, 2021
European search report
Search/Exam
Mar 5, 2021
Information on Search Strategy
Search/Exam
Feb 24, 2021
Search started
Search/Exam
Jan 19, 2021
Communication to designated inventor
Search/Exam
Jan 19, 2021
Communication to designated inventor
Search/Exam
Jan 19, 2021
Communication to designated inventor
Search/Exam
Jan 19, 2021
Communication to designated inventor
Search/Exam
Jan 19, 2021
Communication to designated inventor
Search/Exam
Nov 26, 2020
Abstract
Search/Exam
Nov 26, 2020
Nov 26, 2020
Claims
Search/Exam
Nov 26, 2020
Description
Search/Exam
Nov 26, 2020
Designation of inventor
Search/Exam
Nov 26, 2020
Drawings
Search/Exam
Nov 26, 2020
Request for grant of a European patent
Search/Exam
Jul 15, 2015
Priority search results
Search/Exam
Sep 2, 2014