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The patent EP2644271 was granted to Basf on Aug 30, 2017. The application was filed on Nov 28, 2007 under application number EP13172000A. 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 |
|---|---|---|---|
| JOHNSON MATTHEY PUBLIC | May 30, 2018 | BOULT WADE TENNANT | ADMISSIBLE |
| UMICORE | May 30, 2018 | - | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CA2280631 |
| OPPOSITION | DE19713432 |
| OPPOSITION | DE19838282 |
| OPPOSITION | DE19955456 |
| OPPOSITION | EP0982066 |
| OPPOSITION | JP2006016237 |
| OPPOSITION | US2009297416 |
| OPPOSITION | US5532198 |
| OPPOSITION | US6180558 |
| OPPOSITION | US6602820 |
| OPPOSITION | WO2005069767 |
| OPPOSITION | WO2007131902 |
| OPPOSITION | WO2008067375 |
| SEARCH | EP0982066 |
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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Jan 11, 2024
Jan 11, 2024
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Feb 14, 2023
Refund of fees
Appeal
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Appeal
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Appeal
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Notice of appeal
Appeal
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Aug 31, 2017
Aug 3, 2017
Decision to grant a European patent
Search/Exam
Jul 17, 2017
(Electronic) Receipt
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Jul 17, 2017
Filing of the translations of the claims
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Jul 17, 2017
French translation of claims
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German translation of the claims
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Jul 17, 2017
Letter accompanying subsequently filed items
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May 19, 2017
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Mar 9, 2017
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(Electronic) Receipt
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Feb 27, 2017
Amended claims with annotations
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Feb 27, 2017
Claims
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Feb 27, 2017
Description
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Feb 27, 2017
Letter accompanying subsequently filed items
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Feb 27, 2017
Feb 22, 2017
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Feb 10, 2017
(Electronic) Receipt
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Feb 10, 2017
Description
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Feb 10, 2017
Letter accompanying subsequently filed items
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Feb 10, 2017
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Letter accompanying subsequently filed items
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Dec 6, 2016
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Nov 28, 2016
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Nov 28, 2016
Letter accompanying subsequently filed items
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Nov 28, 2016
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(Electronic) Receipt
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Nov 21, 2016
Amended description with annotations
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Nov 21, 2016
Description
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Nov 21, 2016
Letter accompanying subsequently filed items
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Nov 21, 2016
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Intention to grant (signatures)
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Jul 12, 2016
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Jul 12, 2016
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Submission concerning representation
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Apr 10, 2014
Submission concerning representation
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Mar 31, 2014
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Amended claims with annotations
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Mar 31, 2014
Amended claims with annotations
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Mar 31, 2014
Amendments received before examination
Search/Exam
Mar 31, 2014
Amendments received before examination
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Oct 8, 2013
Sep 16, 2013
Refund of fees
Search/Exam
Sep 6, 2013
Communication to designated inventor
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Sep 6, 2013
Communication to designated inventor
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Sep 6, 2013
Communication to designated inventor
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Sep 4, 2013
Notification of forthcoming publication
Search/Exam
Aug 29, 2013
Aug 29, 2013
European search opinion
Search/Exam
Aug 29, 2013
European search report
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Aug 19, 2013
Search started
Search/Exam
Jul 26, 2013
Designation of inventor
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Jul 26, 2013
Designation of inventor
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Jul 26, 2013
Letter concerning the inventor
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Jul 26, 2013
Letter concerning the inventor
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Jul 25, 2013
Deficiency in designation of inventor
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Jun 14, 2013
Abstract
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Jun 14, 2013
Jun 14, 2013
Claims
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Jun 14, 2013
Description
Search/Exam
Jun 14, 2013
Drawings
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Jun 14, 2013
Request for grant of a European patent
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Jun 25, 2008