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The patent EP3174847 was granted to Innospec on Nov 13, 2019. The application was filed on Jul 28, 2015 under application number EP15747185A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| BASF | Aug 13, 2020 | REITSTOTTER KINZEBACH | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US2012010112 |
| EXAMINATION | WO2013043332 |
| EXAMINATION | WO2015003961 |
| EXAMINATION | WO2015011505 |
| INTERNATIONAL-SEARCH-REPORT | EP0291074 |
| INTERNATIONAL-SEARCH-REPORT | EP1371627 |
| INTERNATIONAL-SEARCH-REPORT | GB2458775 |
| INTERNATIONAL-SEARCH-REPORT | JP2012031137 |
| INTERNATIONAL-SEARCH-REPORT | US2010105770 |
| INTERNATIONAL-SEARCH-REPORT | WO2010132259 |
| INTERNATIONAL-SEARCH-REPORT | WO2010151095 |
| INTERNATIONAL-SEARCH-REPORT | WO2011095819 |
| INTERNATIONAL-SEARCH-REPORT | WO2014064151 |
| OPPOSITION | EP0293192 |
| OPPOSITION | EP0391735 |
| OPPOSITION | EP2033945 |
| OPPOSITION | GB2496514 |
| OPPOSITION | US4621141 |
| OPPOSITION | WO2013070503 |
| OPPOSITION | WO2014195464 |
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
Search/Exam
Sep 26, 2019
(Electronic) Receipt
Search/Exam
Sep 26, 2019
Filing of the translations of the claims
Search/Exam
Sep 26, 2019
French translation of claims
Search/Exam
Sep 26, 2019
German translation of the claims
Search/Exam
Sep 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 13, 2019
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Intention to grant (signatures)
Search/Exam
Jun 13, 2019
Text intended for grant (clean copy)
Search/Exam
Jun 13, 2019
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(Electronic) Receipt
Search/Exam
Apr 30, 2019
Amended description with annotations
Search/Exam
Apr 30, 2019
Description
Search/Exam
Apr 30, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2019
Apr 24, 2019
Annex to the communication
Search/Exam
Apr 24, 2019
Communication from the Examining Division
Search/Exam
Dec 21, 2018
(Electronic) Receipt
Search/Exam
Dec 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2018
Sep 13, 2018
Annex to the communication
Search/Exam
Sep 13, 2018
Communication from the Examining Division
Search/Exam
Sep 7, 2018
Examination started
Search/Exam
Sep 8, 2017
(Electronic) Receipt
Search/Exam
Sep 8, 2017
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Amended claims with annotations
Search/Exam
Sep 8, 2017
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Amended description with annotations
Search/Exam
Sep 8, 2017
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Search/Exam
Sep 8, 2017
Letter accompanying subsequently filed items
Search/Exam
May 10, 2017
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Communication to designated inventor
Search/Exam
Mar 3, 2017
Communication to designated inventor
Search/Exam
Feb 14, 2017
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(Electronic) Receipt
Search/Exam
Jan 31, 2017
Jan 31, 2017
Amended claims with annotations
Search/Exam
Jan 31, 2017
Amendments received before examination
Search/Exam
Jan 31, 2017
Request for entry into the European phase
Search/Exam
Dec 9, 2016
Information on entry into European phase
Search/Exam
May 24, 2016
Notification of the recording of a change
Search/Exam
Feb 22, 2016
Feb 12, 2016
Submission concerning representation
Search/Exam
Feb 4, 2016
Copy of the international search report
Search/Exam
Feb 4, 2016
Published international application - A1
Search/Exam
Oct 14, 2015
ISR: cited documents
PCTISA
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PCTISA
Aug 7, 2015
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PCTISA
Aug 7, 2015
Description
PCTISA
Aug 7, 2015
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PCTISA
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