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The patent EP3333231 was granted to DAW on Dec 9, 2020. The application was filed on Dec 7, 2016 under application number EP16202727A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| EWALD DORKEN | May 19, 2021 | VON ROHR PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
| WACHTERSHAUSER & HARTZ PATENTANWALTSPARTNERSCHAFT MBB | May 19, 2021 | WACHTERSHAUSER & HARTZ PATENTANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
| SCHULZ FARBEN UND LACKFABRIK | May 18, 2021 | LS MP VON PUTTKAMER BERNGRUBER LOTH SPUHLER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | AU2007240216 |
| OPPOSITION | CH618462 |
| OPPOSITION | DE102006002800 |
| OPPOSITION | DE102006019553 |
| OPPOSITION | DE102006021178 |
| OPPOSITION | DE102007011553 |
| OPPOSITION | DE102014013455 |
| OPPOSITION | DE102016002221 |
| OPPOSITION | DE69605047T |
| OPPOSITION | EP1491600 |
| OPPOSITION | EP1990366 |
| OPPOSITION | EP2589579 |
| OPPOSITION | EP2754699 |
| OPPOSITION | EP2883918 |
| OPPOSITION | EP2905268 |
| OPPOSITION | EP2998367 |
| OPPOSITION | EP3275952 |
| OPPOSITION | EP3301138 |
| OPPOSITION | RU2142975 |
| OPPOSITION | RU2188218 |
| OPPOSITION | WO0063313 |
| OPPOSITION | WO0200789 |
| OPPOSITION | WO2005058992 |
| OPPOSITION | WO2015130501 |
| OPPOSITION | WO2017144694 |
| SEARCH | DE102007011553 |
| SEARCH | EP1491600 |
| SEARCH | EP1990366 |
| SEARCH | WO0063313 |
| SEARCH | WO2005058992 |
| SEARCH | WO2015130501 |
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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Oct 6, 2020
(Electronic) Receipt
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Oct 6, 2020
Letter accompanying subsequently filed items
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Oct 6, 2020
Letter concerning the inventor
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Aug 31, 2020
Jul 23, 2020
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Jul 7, 2020
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Jul 7, 2020
English translation of the claims
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Jul 7, 2020
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French translation of claims
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Jul 7, 2020
Letter accompanying subsequently filed items
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Mar 12, 2020
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Mar 12, 2020
Text intended for grant (clean copy)
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Mar 12, 2020
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(Electronic) Receipt
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Dec 10, 2019
Amended claims with annotations
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Dec 10, 2019
Amended description with annotations
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Claims
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Dec 10, 2019
Description
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Dec 10, 2019
Letter accompanying subsequently filed items
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Dec 10, 2019
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Observations by third parties
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Aug 2, 2019
Patent document filed by a Third party
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Aug 2, 2019
Patent document filed by a Third party
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Aug 2, 2019
Patent document filed by a Third party
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Aug 2, 2019
Patent document filed by a Third party
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Jul 31, 2019
Annex to the communication
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Jul 31, 2019
Communication from the Examining Division
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Jul 22, 2019
(Electronic) Receipt
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Jul 22, 2019
Letter accompanying subsequently filed items
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Jul 22, 2019
Jun 4, 2019
May 24, 2019
(Electronic) Receipt
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May 24, 2019
Letter accompanying subsequently filed items
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May 24, 2019
Jan 16, 2019
Annex to the communication
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Jan 16, 2019
Communication from the Examining Division
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Jan 11, 2019
Examination started
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Dec 11, 2018
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Dec 11, 2018
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Amended claims with annotations
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Dec 11, 2018
Amendments received before examination
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Dec 11, 2018
Letter accompanying subsequently filed items
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Jun 18, 2018
May 16, 2018
Notification of forthcoming publication
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Apr 5, 2018
Communication to designated inventor
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Apr 5, 2018
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Apr 5, 2018
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Mar 23, 2018
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Mar 23, 2018
Designation of inventor
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Mar 23, 2018
Letter accompanying subsequently filed items
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Aug 18, 2017
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European search opinion
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Aug 18, 2017
European search report
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Aug 18, 2017
Information on Search Strategy
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Aug 9, 2017
Search started
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May 11, 2017
Submission concerning representation
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Jan 17, 2017
Deficiency in designation of inventor
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Dec 7, 2016
Abstract
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Dec 7, 2016
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Claims
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Dec 7, 2016
Description
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Dec 7, 2016
Request for grant of a European patent
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