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The patent EP2352912 was granted to Basf on Jul 4, 2018. The application was filed on Nov 3, 2009 under application number EP09829666A. 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 |
|---|---|---|---|
| UMICORE | Apr 4, 2019 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | WITHDRAWN |
| JOHNSON MATTHEY PUBLIC | Jul 4, 2018 | BOULT WADE TENNANT | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1961933 |
| DESCRIPTION | EP1992409 |
| DESCRIPTION | US2006039843 |
| DESCRIPTION | WO2007137675 |
| DESCRIPTION | WO2008106523 |
| DESCRIPTION | WO2008118434 |
| INTERNATIONAL-SEARCH-REPORT | JP2006289211 |
| INTERNATIONAL-SEARCH-REPORT | US7062904 |
| INTERNATIONAL-SEARCH-REPORT | US7332135 |
| OPPOSITION | CA2652837 |
| OPPOSITION | DE102004040548 |
| OPPOSITION | EP0410440 |
| OPPOSITION | US2006039843 |
| OPPOSITION | US2010058746 |
| OPPOSITION | US2012321537 |
| OPPOSITION | US5866210 |
| OPPOSITION | WO2008006427 |
| OPPOSITION | WO2008101585 |
| OPPOSITION | WO2008106519 |
| OPPOSITION | WO2008106523 |
| OPPOSITION | WO2008132452 |
| SEARCH | EP1961933 |
| SEARCH | EP1992409 |
| SEARCH | US2006039843 |
| SEARCH | WO2007137675 |
| SEARCH | WO2008106523 |
| SEARCH | WO2008118434 |
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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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Description
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Acknowledgement of a document
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Preparation for oral proceedings
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Letter accompanying subsequently filed items
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Communication from the Examining Division
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Communication from the Examining Division
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Examination started
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European search opinion
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Supplementary European search report
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Annexes in respect of a client data request
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Request for entry into the European phase
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Information on entry into European phase
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Copy of the international search report
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Published international application - A2
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