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The patent EP3712217 was granted to DAW on Jan 5, 2022. The application was filed on Apr 6, 2017 under application number EP20172741A. 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 |
|---|---|---|---|
| WACHTERSHAUSER & HARTZ PATENTANWALTSPARTNERSCHAFT MBB | Oct 5, 2022 | WACHTERSHAUSER & HARTZ PATENTANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
| PPG INDUSTRIES | Oct 4, 2022 | F & E PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102013020575 |
| DESCRIPTION | DE102014013455 |
| DESCRIPTION | WO2015193192 |
| OPPOSITION | DE10030447 |
| OPPOSITION | DE102004023374 |
| OPPOSITION | DE102007034865 |
| OPPOSITION | DE102013020575 |
| OPPOSITION | DE102014013455 |
| OPPOSITION | DE102015000200 |
| OPPOSITION | DE19515539 |
| OPPOSITION | DE4309625 |
| OPPOSITION | EP2589579 |
| OPPOSITION | EP3275952 |
| OPPOSITION | EP3385339 |
| OPPOSITION | JPS61155474 |
| OPPOSITION | US2010144925 |
| OPPOSITION | WO0200798 |
| OPPOSITION | WO2005083013 |
| OPPOSITION | WO2015193192 |
| SEARCH | DE102007034865 |
| SEARCH | DE102013020575 |
| SEARCH | DE102014013455 |
| SEARCH | DE19515539 |
| SEARCH | DE4309625 |
| SEARCH | WO2015193192 |
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 7, 2025
Aug 7, 2025
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Aug 4, 2025
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Mar 14, 2025
Mar 14, 2025
Mar 11, 2025
(Electronic) Receipt
Appeal
Mar 11, 2025
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Claims
Appeal
Mar 11, 2025
Claims
Appeal
Mar 11, 2025
Claims
Appeal
Mar 11, 2025
Claims
Appeal
Mar 11, 2025
Claims
Appeal
Mar 11, 2025
Claims
Appeal
Mar 11, 2025
Claims
Appeal
Mar 11, 2025
Mar 11, 2025
Reply to appeal
Appeal
Feb 20, 2025
Dec 6, 2024
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Nov 29, 2024
(Electronic) Receipt
Appeal
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Sep 30, 2024
(Electronic) Receipt
Appeal
Sep 30, 2024
Notice of appeal
Appeal
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Means of redress
Appeal
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Means of redress
OPPO
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(Electronic) Receipt
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Apr 22, 2024
Letter accompanying subsequently filed items
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Jan 18, 2022
Dec 9, 2021
Decision to grant a European patent
Search/Exam
Nov 25, 2021
(Electronic) Receipt
Search/Exam
Nov 25, 2021
English translation of the claims
Search/Exam
Nov 25, 2021
Filing of the translations of the claims
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Nov 25, 2021
French translation of claims
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Nov 25, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Intention to grant (signatures)
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Nov 5, 2021
Text intended for grant (clean copy)
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Nov 5, 2021
Sep 28, 2021
(Electronic) Receipt
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Sep 28, 2021
Amended description with annotations
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Sep 28, 2021
Description
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Sep 28, 2021
Letter accompanying subsequently filed items
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Sep 28, 2021
May 18, 2021
Annex to the communication
Search/Exam
May 18, 2021
Communication from the Examining Division
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May 12, 2021
Examination started
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Mar 23, 2021
(Electronic) Receipt
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Mar 23, 2021
Mar 23, 2021
Amended claims with annotations
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Mar 23, 2021
Amendments received before examination
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Mar 23, 2021
Letter accompanying subsequently filed items
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Oct 7, 2020
Communication to designated inventor
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Sep 30, 2020
(Electronic) Receipt
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Sep 30, 2020
Letter accompanying subsequently filed items
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Sep 30, 2020
Letter concerning the inventor
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Sep 28, 2020
Sep 15, 2020
Matter concerning the application
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Aug 26, 2020
Notification of forthcoming publication
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Jul 21, 2020
Jul 15, 2020
Letter which had not been notified
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Jul 10, 2020
Refund of fees
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Jul 6, 2020
Jul 6, 2020
European search opinion
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Jul 6, 2020
European search report
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Jul 6, 2020
Information on Search Strategy
Search/Exam
Jun 26, 2020
Communication to designated inventor
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Jun 26, 2020
Communication to designated inventor
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Jun 26, 2020
Communication to designated inventor
Search/Exam
Jun 26, 2020
Communication to designated inventor
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Jun 25, 2020
Search started
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May 26, 2020
(Electronic) Receipt
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May 26, 2020
Letter accompanying subsequently filed items
Search/Exam
May 4, 2020
Abstract
Appeal
May 4, 2020
Abstract
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May 4, 2020
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Claims
Appeal
May 4, 2020
Claims
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May 4, 2020
Description
Appeal
May 4, 2020
Description
Search/Exam
May 4, 2020
Designation of inventor
Search/Exam
May 4, 2020
Request for grant of a European patent
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