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The patent EP2961886 was granted to Basf on Jul 18, 2018. The application was filed on Feb 24, 2014 under application number EP14757478A. 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 |
|---|---|---|---|
| CS COMPACT SYSTEM | Apr 17, 2019 | ULLRICH & NAUMANN PARTG MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN101068986 |
| INTERNATIONAL-SEARCH-REPORT | EP0919578 |
| INTERNATIONAL-SEARCH-REPORT | US2007167558 |
| INTERNATIONAL-SEARCH-REPORT | US2010016478 |
| INTERNATIONAL-SEARCH-REPORT | WO2012061384 |
| OPPOSITION | DE102011101232 |
| OPPOSITION | US2007167558 |
| OPPOSITION | US2008041546 |
| OPPOSITION | US2010016478 |
| OPPOSITION | US2011146926 |
| OPPOSITION | WO0027893 |
| OPPOSITION | WO2004059082 |
| SEARCH | CN101068986 |
| SEARCH | GB2268758 |
| SEARCH | US2008041546 |
| SEARCH | US2011146926 |
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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Sep 6, 2019
Submission concerning representation
Search/Exam
Sep 5, 2019
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Aug 14, 2019
Aug 5, 2019
(Electronic) Receipt
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Aug 5, 2019
Aug 5, 2019
Letter accompanying subsequently filed items
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Aug 5, 2019
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Jul 30, 2018
Jun 21, 2018
Decision to grant a European patent
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Jun 6, 2018
(Electronic) Receipt
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Jun 6, 2018
Filing of the translations of the claims
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Jun 6, 2018
French translation of claims
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Jun 6, 2018
German translation of the claims
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Mar 14, 2018
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Mar 14, 2018
Intention to grant (signatures)
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Mar 14, 2018
Text intended for grant (clean copy)
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Mar 14, 2018
Feb 26, 2018
Examination started
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Feb 27, 2017
(Electronic) Receipt
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Feb 27, 2017
Feb 27, 2017
Amended claims with annotations
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Feb 27, 2017
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Amended description with annotations
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Feb 27, 2017
Amendments received before examination
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Feb 27, 2017
Letter accompanying subsequently filed items
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Oct 5, 2016
Sep 16, 2016
Sep 16, 2016
European search opinion
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Sep 16, 2016
Information on Search Strategy
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Sep 16, 2016
Supplementary European search report
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Aug 26, 2016
Search started
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Mar 3, 2016
CDS Clean up - amended applicant details
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Mar 3, 2016
Dec 9, 2015
Oct 14, 2015
Oct 12, 2015
Communication to designated inventor
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Oct 12, 2015
Communication to designated inventor
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Oct 12, 2015
Communication to designated inventor
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Sep 17, 2015
Sep 1, 2015
Notification of the recording of a change
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Aug 11, 2015
(Electronic) Receipt
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Aug 11, 2015
Request for entry into the European phase
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Jul 8, 2015
Information on entry into European phase
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Sep 22, 2014
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Sep 4, 2014
Copy of the international search report
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Sep 4, 2014
Published international application - A1
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