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The patent EP3159774 was granted to DAV on Apr 13, 2022. The application was filed on Oct 20, 2016 under application number EP16194906A. 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 |
|---|---|---|---|
| BROCHER | Jan 12, 2023 | GILLE HRABAL PARTNERSCHAFTSGESELLSCHAFT MBB PATENTANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102012221107 |
| OPPOSITION | EP1560102 |
| OPPOSITION | US2002033795 |
| OPPOSITION | WO2016012277 |
| SEARCH | EP2680109 |
| SEARCH | FR2977334 |
| SEARCH | WO2014018211 |
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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Aug 22, 2025
Aug 22, 2025
Aug 22, 2025
Aug 19, 2025
Jul 8, 2025
Jul 3, 2025
(Electronic) Receipt
Appeal
Jul 3, 2025
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Jul 3, 2025
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Jul 3, 2025
Reply to appeal
Appeal
Mar 4, 2025
Feb 27, 2025
(Electronic) Receipt
Appeal
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Jan 2, 2025
Jan 2, 2025
Dec 20, 2024
Dec 19, 2024
Dec 18, 2024
Dec 18, 2024
Dec 12, 2024
(Electronic) Receipt
Appeal
Dec 12, 2024
Dec 12, 2024
Notice of appeal
Appeal
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Means of redress
OPPO
Oct 28, 2024
Oct 28, 2024
Oct 7, 2024
Oct 4, 2024
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Sep 30, 2024
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Jun 1, 2023
May 25, 2023
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Apr 26, 2022
Mar 17, 2022
Decision to grant a European patent
Search/Exam
Mar 8, 2022
(Electronic) Receipt
Search/Exam
Mar 8, 2022
English translation of the claims
Search/Exam
Mar 8, 2022
Filing of the translations of the claims
Search/Exam
Mar 8, 2022
German translation of the claims
Search/Exam
Mar 8, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 16, 2021
Intention to grant (signatures)
Search/Exam
Nov 15, 2021
Nov 15, 2021
Nov 15, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 15, 2021
Jun 1, 2021
Document concerning representation
Search/Exam
Feb 8, 2021
Decision to allow further processing
Search/Exam
Feb 1, 2021
(Electronic) Receipt
Search/Exam
Feb 1, 2021
Amended claims with annotations
Search/Exam
Feb 1, 2021
Claims
Search/Exam
Feb 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2021
Request for further processing
Search/Exam
Nov 20, 2020
Aug 21, 2020
Annex to the communication
Search/Exam
Aug 21, 2020
Communication from the Examining Division
Search/Exam
Sep 16, 2019
Decision to allow further processing
Search/Exam
Sep 6, 2019
(Electronic) Receipt
Search/Exam
Sep 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 6, 2019
Request for further processing
Search/Exam
Jun 26, 2019
Jan 17, 2019
Annex to the communication
Search/Exam
Jan 17, 2019
Communication from the Examining Division
Search/Exam
Jan 14, 2019
Examination started
Search/Exam
Oct 24, 2017
(Electronic) Receipt
Search/Exam
Oct 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 24, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
May 3, 2017
Mar 29, 2017
Notification of forthcoming publication
Search/Exam
Mar 22, 2017
Refund of fees
Search/Exam
Mar 6, 2017
Mar 6, 2017
European search opinion
Search/Exam
Mar 6, 2017
European search report
Search/Exam
Mar 6, 2017
Information on Search Strategy
Search/Exam
Mar 1, 2017
Priority search results copy provided by EPO
Search/Exam
Feb 27, 2017
Search started
Search/Exam
Feb 20, 2017
Letter concerning the priority
Search/Exam
Feb 20, 2017
Priority document
Search/Exam
Dec 13, 2016
Communication to designated inventor
Search/Exam
Dec 13, 2016
Communication to designated inventor
Search/Exam
Dec 13, 2016
Communication to designated inventor
Search/Exam
Oct 20, 2016
Abstract
Search/Exam
Oct 20, 2016
Oct 20, 2016
Claims
Search/Exam
Oct 20, 2016
Description
Search/Exam
Oct 20, 2016
Designation of inventor
Search/Exam
Oct 20, 2016
Drawings
Search/Exam
Oct 20, 2016
Priority search results
Search/Exam
Oct 20, 2016
Request for grant of a European patent
Search/Exam