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The patent EP2923835 was granted to Basf on Jun 6, 2018. The application was filed on Mar 28, 2014 under application number EP14162287A. 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 |
|---|---|---|---|
| AUSTROTHERM | Mar 6, 2019 | MULLNER | - |
| ROBERT BURKLE | Mar 6, 2019 | RPK PATENTANWALTE REINHARDT UND KAUFMANN PARTNERSCHAFT MBB | - |
| URSA INSULATION | Mar 6, 2019 | ZIMMERMANN & PARTNER PATENTANWALTE MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE20121023180 |
| DESCRIPTION | DE10106341 |
| DESCRIPTION | EP0427533 |
| DESCRIPTION | EP0543242 |
| DESCRIPTION | EP1213119 |
| DESCRIPTION | EP1318164 |
| DESCRIPTION | EP1566490 |
| DESCRIPTION | EP2420531 |
| DESCRIPTION | WO0121725 |
| DESCRIPTION | WO2006050013 |
| DESCRIPTION | WO2009047487 |
| DESCRIPTION | WO2009071499 |
| DESCRIPTION | WO2012016991 |
| DESCRIPTION | WO9947621 |
| EXAMINATION | US2012009377 |
| OPPOSITION | CN203462649U |
| OPPOSITION | DE10106341 |
| OPPOSITION | DE102012204822 |
| OPPOSITION | DE202012011698U |
| OPPOSITION | EP0231013 |
| OPPOSITION | EP0543242 |
| OPPOSITION | EP1213118 |
| OPPOSITION | EP1213119 |
| OPPOSITION | EP1318164 |
| OPPOSITION | EP1471125 |
| OPPOSITION | EP1688237 |
| OPPOSITION | EP2420531 |
| OPPOSITION | EP2669072 |
| OPPOSITION | EP2687354 |
| OPPOSITION | EP2703142 |
| OPPOSITION | FR2950288 |
| OPPOSITION | US2012009377 |
| OPPOSITION | US5100721 |
| OPPOSITION | WO2011133568 |
| OPPOSITION | WO2012016991 |
| SEARCH | DE10251506 |
| SEARCH | EP0231013 |
| SEARCH | FR2950288 |
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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Search/Exam
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English translation of the claims
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French translation of claims
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(Electronic) Receipt
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Intention to grant (signatures)
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(Electronic) Receipt
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Sep 5, 2017
Amended description with annotations
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Description
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Letter accompanying subsequently filed items
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Annex to the communication
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Aug 21, 2017
Communication from the Examining Division
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Jun 19, 2017
(Electronic) Receipt
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Jun 19, 2017
Letter accompanying subsequently filed items
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Annex to the communication
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May 31, 2017
Communication from the Examining Division
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Mar 15, 2017
(Electronic) Receipt
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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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Nov 11, 2016
Amended claims with annotations
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Nov 11, 2016
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Amended claims with annotations
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Claims
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Sep 29, 2016
Annex to the communication
Search/Exam
Sep 29, 2016
Communication from the Examining Division
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(Electronic) Receipt
Search/Exam
Aug 25, 2016
Amended claims with annotations
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Aug 25, 2016
Claims
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Aug 25, 2016
Letter accompanying subsequently filed items
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Annex to the communication
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Jul 18, 2016
Communication from the Examining Division
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Mar 3, 2016
CDS Clean up - amended applicant details
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Mar 3, 2016
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Reply to Written Opinion prepared by the EPO
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Jan 15, 2016
Reply to Written Opinion prepared by the EPO
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Oct 5, 2015
Sep 2, 2015
Notification of forthcoming publication
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Aug 7, 2015
Letter concerning search matters
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May 12, 2015
Communication to designated inventor
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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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Communication to designated inventor
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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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Communication to designated inventor
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Apr 28, 2015
(Electronic) Receipt
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Apr 28, 2015
Designation of inventor
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Apr 28, 2015
Letter accompanying subsequently filed items
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Apr 9, 2015
Payment of fees and costs
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Payment of fees and costs
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Jan 19, 2015
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European search opinion
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Jan 19, 2015
European search report
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Nov 15, 2014
Letter concerning search matters
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Nov 14, 2014
Letter concerning search matters
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Sep 11, 2014
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Partial European search report
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Sep 4, 2014
Modified abstract
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Sep 1, 2014
Search started
Search/Exam
Apr 14, 2014
Deficiency in designation of inventor
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Mar 28, 2014
Abstract
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Mar 28, 2014
Mar 28, 2014
Claims
Search/Exam
Mar 28, 2014
Description
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Mar 28, 2014
Drawings
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Mar 28, 2014
Request for grant of a European patent
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