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The patent EP3296353 was granted to DAW on Jan 26, 2022. The application was filed on Sep 19, 2016 under application number EP16189511A. 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 |
|---|---|---|---|
| PPG INDUSTRIES | Oct 26, 2022 | APPLEYARD LEES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0922738 |
| DESCRIPTION | WO2011095308 |
| DESCRIPTION | WO2012079624 |
| DESCRIPTION | WO9730950 |
| EXAMINATION | US6187384 |
| EXAMINATION | WO2013045475 |
| EXAMINATION | WO2016102464 |
| OPPOSITION | EP2474578 |
| OPPOSITION | EP3272823 |
| OPPOSITION | US2007022906 |
| OPPOSITION | US5591793 |
| OPPOSITION | WO2005059042 |
| OPPOSITION | WO2005121237 |
| OPPOSITION | WO2008003652 |
| OPPOSITION | WO2012079624 |
| OPPOSITION | WO2013045475 |
| OPPOSITION | WO2015011430 |
| OPPOSITION | WO2015082553 |
| OPPOSITION | WO2016102464 |
| OTHER | US6187384 |
| OTHER | WO2013045475 |
| OTHER | WO2016102464 |
| SEARCH | EP3037464 |
| SEARCH | GB1544405 |
| SEARCH | WO2012079624 |
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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Decision to grant a European patent
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(Electronic) Receipt
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Dec 16, 2021
Filing of the translations of the claims
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Letter accompanying subsequently filed items
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Description
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English translation of the claims
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French translation of claims
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Sep 24, 2021
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Examination started
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Oct 4, 2019
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Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Patent document filed by a Third party
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Notification of forthcoming publication
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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Designation of inventor
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Letter accompanying subsequently filed items
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Submission concerning representation
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European search opinion
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European search report
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Information on Search Strategy
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Oct 11, 2016
Deficiency in designation of inventor
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Abstract
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Claims
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Description
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Request for grant of a European patent
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