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The patent EP2696985 was granted to Basf on Feb 21, 2018. The application was filed on Apr 10, 2012 under application number EP12713724A. 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 |
|---|---|---|---|
| NOURYON CHEMICALS | Nov 16, 2018 | INGRASSIA | ADMISSIBLE |
| NOURYON CHEMICALS | Nov 16, 2018 | LKGLOBAL UK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CA1100239 |
| DESCRIPTION | US2629494 |
| DESCRIPTION | US3363758 |
| DESCRIPTION | US4319987 |
| DESCRIPTION | US4422928 |
| DESCRIPTION | US6076682 |
| DESCRIPTION | US6963014 |
| DESCRIPTION | WO2008077849 |
| INTERNATIONAL-SEARCH-REPORT | US3363758 |
| INTERNATIONAL-SEARCH-REPORT | US4652273 |
| INTERNATIONAL-SEARCH-REPORT | US6076682 |
| INTERNATIONAL-SEARCH-REPORT | WO2008077849 |
| OPPOSITION | CA1100239 |
| OPPOSITION | CA2205885 |
| OPPOSITION | US3363758 |
| OPPOSITION | US6076682 |
| OPPOSITION | US6963014 |
| OPPOSITION | WO2008077849 |
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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Decision to grant a European patent
Search/Exam
Jan 4, 2018
(Electronic) Receipt
Search/Exam
Jan 4, 2018
Filing of the translations of the claims
Search/Exam
Jan 4, 2018
French translation of claims
Search/Exam
Jan 4, 2018
German translation of the claims
Search/Exam
Oct 12, 2017
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Intention to grant (signatures)
Search/Exam
Oct 12, 2017
Text intended for grant (clean copy)
Search/Exam
Oct 12, 2017
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(Electronic) Receipt
Search/Exam
Sep 1, 2017
Description
Search/Exam
Sep 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 1, 2017
Jun 30, 2017
Annex to the communication
Search/Exam
Jun 30, 2017
Communication from the Examining Division
Search/Exam
Apr 18, 2017
Apr 6, 2017
Observations by third parties
Search/Exam
Mar 29, 2017
(Electronic) Receipt
Search/Exam
Mar 29, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2017
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Citation filed by a third party
Search/Exam
Feb 6, 2017
Observations by third parties
Search/Exam
Jun 20, 2016
(Electronic) Receipt
Search/Exam
Jun 20, 2016
Amended claims with annotations
Search/Exam
Jun 20, 2016
Amended description with annotations
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Jun 20, 2016
Claims
Search/Exam
Jun 20, 2016
Description
Search/Exam
Jun 20, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 20, 2016
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Annex to the communication
Search/Exam
Apr 28, 2016
Communication from the Examining Division
Search/Exam
Mar 3, 2016
CDS Clean up - amended applicant details
Search/Exam
Mar 3, 2016
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Amended claims with annotations
Search/Exam
Apr 19, 2014
Amendments received before examination
Search/Exam
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Amended claims with annotations
Search/Exam
Apr 17, 2014
Amendments received before examination
Search/Exam
Apr 17, 2014
Cover sheet for fax transmission
Search/Exam
Apr 17, 2014
Jan 22, 2014
Dec 11, 2013
Letter which had not been notified
Search/Exam
Nov 22, 2013
Nov 20, 2013
Communication to designated inventor
Search/Exam
Nov 20, 2013
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
Nov 20, 2013
Communication to designated inventor
Search/Exam
Oct 31, 2013
Sep 23, 2013
(Electronic) Receipt
Search/Exam
Sep 23, 2013
Request for entry into the European phase
Search/Exam
Aug 23, 2013
Information on entry into European phase
Search/Exam
Jan 17, 2013
Copy of the international search report
Search/Exam
Jan 17, 2013
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Published international application - A2
Search/Exam
Jun 21, 2012
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(Electronic) Receipt
PCTRO
Apr 10, 2012
Abstract
PCTRO
Apr 10, 2012
Claims
PCTRO
Apr 10, 2012
Description
PCTRO
Apr 10, 2012