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The patent EP2579983 was granted to Basf on Aug 9, 2023. The application was filed on Jun 9, 2011 under application number EP11792036A. 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 |
|---|---|---|---|
| JOHNSON MATTHEY PUBLIC | Dec 7, 2018 | BOULT WADE TENNANT | ADMISSIBLE |
| UMICORE | Dec 7, 2018 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2003103886 |
| DESCRIPTION | US2005129601 |
| DESCRIPTION | US2009320457 |
| DESCRIPTION | US6413483 |
| DESCRIPTION | WO2008067375 |
| INTERNATIONAL-SEARCH-REPORT | JP2005205302 |
| INTERNATIONAL-SEARCH-REPORT | US2004151645 |
| INTERNATIONAL-SEARCH-REPORT | US2005282701 |
| INTERNATIONAL-SEARCH-REPORT | WO2010012677 |
| OPPOSITION | EP1066874 |
| OPPOSITION | JP2010005591 |
| OPPOSITION | JPH0985091 |
| OPPOSITION | JPH11276907 |
| OPPOSITION | US2003083193 |
| OPPOSITION | US2003103886 |
| OPPOSITION | US2005129601 |
| OPPOSITION | US2005227867 |
| OPPOSITION | US2009320457 |
| OPPOSITION | WO0174476 |
| OPPOSITION | WO2004002621 |
| OPPOSITION | WO2008067375 |
| OPPOSITION | WO2009158453 |
| OPPOSITION | WO9900177 |
| SEARCH | US2003103886 |
| SEARCH | US2005129601 |
| SEARCH | US2009320457 |
| SEARCH | US6413483 |
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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Refund of fees
Appeal
Mar 17, 2023
Refund of fees
Appeal
Mar 15, 2023
Mar 15, 2023
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Feb 28, 2023
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(Electronic) Receipt
Appeal
Feb 24, 2023
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Feb 24, 2023
Withdrawal of an appeal
Appeal
Feb 22, 2023
(Electronic) Receipt
Appeal
Feb 22, 2023
Feb 22, 2023
Withdrawal of an appeal
Appeal
Feb 9, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Aug 24, 2021
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(Electronic) Receipt
Appeal
Aug 19, 2021
Aug 19, 2021
Reply to appeal
Appeal
Aug 12, 2021
Aug 9, 2021
(Electronic) Receipt
Appeal
Aug 9, 2021
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Reply to appeal
Appeal
Apr 9, 2021
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Apr 1, 2021
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Claims
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Feb 4, 2021
Feb 4, 2021
Notice of appeal
Appeal
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(Electronic) Receipt
Appeal
Feb 2, 2021
Feb 2, 2021
Notice of appeal
Appeal
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Feb 9, 2018
(Electronic) Receipt
Search/Exam
Feb 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 9, 2018
Feb 8, 2018
Decision to grant a European patent
Search/Exam
Feb 2, 2018
Feb 2, 2018
Jan 29, 2018
(Electronic) Receipt
Search/Exam
Jan 29, 2018
Filing of the translations of the claims
Search/Exam
Jan 29, 2018
French translation of claims
Search/Exam
Jan 29, 2018
German translation of the claims
Search/Exam
Jan 29, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 18, 2018
Jan 18, 2018
Jan 15, 2018
(Electronic) Receipt
Search/Exam
Jan 15, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2018
Sep 18, 2017
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Intention to grant (signatures)
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Sep 18, 2017
Text intended for grant (clean copy)
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Sep 18, 2017
May 11, 2017
(Electronic) Receipt
Search/Exam
May 11, 2017
Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
May 11, 2017
Claims
Search/Exam
May 11, 2017
Description
Search/Exam
May 11, 2017
Letter accompanying subsequently filed items
Search/Exam
May 11, 2017
Mar 7, 2017
Annex to the communication
Search/Exam
Mar 7, 2017
Mar 7, 2017
Feb 23, 2017
Examination started
Search/Exam
Jul 4, 2016
Jun 29, 2016
(Electronic) Receipt
Search/Exam
Jun 29, 2016
Jun 29, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 3, 2016
CDS Clean up - amended applicant details
Search/Exam
Mar 3, 2016
Jun 16, 2015
(Electronic) Receipt
Search/Exam
Jun 16, 2015
Jun 16, 2015
Amended claims with annotations
Search/Exam
Jun 16, 2015
Amendments received before examination
Search/Exam
Jun 16, 2015
Letter accompanying subsequently filed items
Search/Exam
May 7, 2015
Apr 29, 2015
Dec 18, 2014
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European search opinion
Search/Exam
Dec 1, 2014
Supplementary European search report
Search/Exam
Nov 18, 2014
Search started
Search/Exam
May 7, 2014
Apr 23, 2014
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Apr 10, 2014
Submission concerning representation
Search/Exam
Apr 10, 2014
Submission concerning representation
Search/Exam
Apr 8, 2013
Letter concerning the inventor
Search/Exam
Mar 20, 2013
Mar 13, 2013
Mar 6, 2013
Letter which had not been notified
Search/Exam
Feb 8, 2013
Jan 29, 2013
Communication to designated inventor
Search/Exam
Jan 9, 2013
(Electronic) Receipt
Search/Exam
Jan 9, 2013
Request for entry into the European phase
Search/Exam
Jan 2, 2013
Oct 19, 2012
Information on entry into European phase
Search/Exam
Jan 5, 2012
Dec 15, 2011
Copy of the international search report
Search/Exam
Dec 15, 2011
Published international application - A1
Search/Exam