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The patent EP3046778 was granted to Basf on Aug 17, 2022. The application was filed on Sep 18, 2014 under application number EP14766739A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| LEONHARD KURZ STIFTUNG | Sep 20, 2018 | LOUIS POHLAU LOHRENTZ | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE20209576U |
| INTERNATIONAL-SEARCH-REPORT | EP0210620 |
| INTERNATIONAL-SEARCH-REPORT | EP1702767 |
| INTERNATIONAL-SEARCH-REPORT | GB2357061 |
| INTERNATIONAL-SEARCH-REPORT | US4902364 |
| OPPOSITION | DE102010034039 |
| OPPOSITION | EP0210620 |
| OPPOSITION | EP1304235 |
| OPPOSITION | EP1527825 |
| OPPOSITION | JP2006181791 |
| OPPOSITION | JP2012011677 |
| OPPOSITION | US2010215875 |
| OPPOSITION | US2011189477 |
| OPPOSITION | US2012070595 |
| OPPOSITION | US6042931 |
| OPPOSITION | WO2005035460 |
| OPPOSITION | WO2006005434 |
| OPPOSITION | WO2008061930 |
| OPPOSITION | WO2011012520 |
| OPPOSITION | WO2011098514 |
| OPPOSITION | WO2013019821 |
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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Letter accompanying subsequently filed items
Search/Exam
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Decision to grant a European patent
Search/Exam
Nov 8, 2017
(Electronic) Receipt
Search/Exam
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English translation of the claims
Search/Exam
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French translation of claims
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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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Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Amendments received before examination
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Letter accompanying subsequently filed items
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Communication to designated inventor
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Letter accompanying subsequently filed items
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Letter concerning the inventor
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Letter which had not been notified
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Communication to designated inventor
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Communication to designated inventor
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Priority search results copy provided by EPO
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(Electronic) Receipt
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Request for entry into the European phase
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CDS Clean up - amended applicant details
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Information on entry into European phase
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Copy of the international search report
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Copy of the international search report
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Published international application - A1
Search/Exam
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(Electronic) Receipt
PCTRO
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Abstract
PCTRO
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Sep 18, 2014
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PCTRO
Sep 18, 2014