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The patent EP1893734 was granted to Firmenich on Mar 20, 2019. The application was filed on May 31, 2006 under application number EP06745047A. 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 |
|---|---|---|---|
| HENKEL | Dec 19, 2019 | - | ADMISSIBLE |
| THE PROCTER & GAMBLE | Dec 19, 2019 | GILL JENNINGS & EVERY | ADMISSIBLE |
| UNILEVER UNILEVER | Dec 18, 2019 | OATES | ADMISSIBLE |
| GIVAUDAN | Dec 10, 2019 | RENTSCH PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2004016234 |
| EXAMINATION | WO2006066654 |
| INTERNATIONAL-SEARCH-REPORT | EP1407753 |
| INTERNATIONAL-SEARCH-REPORT | US2004142840 |
| INTERNATIONAL-SEARCH-REPORT | US4145184 |
| INTERNATIONAL-SEARCH-REPORT | US6194375 |
| INTERNATIONAL-SEARCH-REPORT | WO02074430 |
| INTERNATIONAL-SEARCH-REPORT | WO2005017085 |
| INTERNATIONAL-SEARCH-REPORT | WO9313195 |
| OPPOSITION | EP1407753 |
| OPPOSITION | EP1533364 |
| OPPOSITION | EP1589092 |
| OPPOSITION | US2004033921 |
| OPPOSITION | US2004071746 |
| OPPOSITION | US2004072720 |
| OPPOSITION | US2004142840 |
| OPPOSITION | US4145184 |
| OPPOSITION | US4234627 |
| OPPOSITION | US6194375 |
| OPPOSITION | US6696402 |
| OPPOSITION | WO2004016234 |
| OPPOSITION | WO2006066654 |
| OPPOSITION | WO2018002298 |
| OPPOSITION | WO9313195 |
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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Letter accompanying subsequently filed items
Search/Exam
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Reply to appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
Mar 24, 2022
General authorisation
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Refund of fees
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Feb 8, 2019
(Electronic) Receipt
Search/Exam
Feb 8, 2019
Filing of the translations of the claims
Search/Exam
Feb 8, 2019
French translation of claims
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German translation of the claims
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Feb 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2018
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Intention to grant (signatures)
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Oct 11, 2018
Text intended for grant (clean copy)
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Oct 11, 2018
Jul 16, 2018
(Electronic) Receipt
Search/Exam
Jul 16, 2018
Amended claims with annotations
Search/Exam
Jul 16, 2018
Claims
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Jul 16, 2018
Description
Search/Exam
Jul 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 16, 2018
Apr 5, 2018
Annex to the communication
Search/Exam
Apr 5, 2018
Communication from the Examining Division
Search/Exam
Jul 17, 2017
(Electronic) Receipt
Search/Exam
Jul 17, 2017
Amended claims with annotations
Search/Exam
Jul 17, 2017
Claims
Search/Exam
Jul 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 17, 2017
Jun 14, 2017
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(Electronic) Receipt
Search/Exam
Jun 8, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 8, 2017
Feb 8, 2017
Annex to the communication
Search/Exam
Feb 8, 2017
Communication from the Examining Division
Search/Exam
Dec 9, 2016
Dec 6, 2016
Jul 23, 2014
(Electronic) Receipt
Search/Exam
Jul 23, 2014
Amended claims with annotations
Search/Exam
Jul 23, 2014
Claims
Search/Exam
Jul 23, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 23, 2014
Jun 11, 2014
Jun 3, 2014
(Electronic) Receipt
Search/Exam
Jun 3, 2014
Letter accompanying subsequently filed items
Search/Exam
Jun 3, 2014
Feb 11, 2014
Annex to the communication
Search/Exam
Feb 11, 2014
Communication from the Examining Division
Search/Exam
Feb 8, 2011
(Electronic) Receipt
Search/Exam
Feb 8, 2011
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2011
Dec 15, 2010
Dec 3, 2010
(Electronic) Receipt
Search/Exam
Dec 3, 2010
Letter accompanying subsequently filed items
Search/Exam
Dec 3, 2010
Aug 5, 2010
Annex to the communication
Search/Exam
Aug 5, 2010
Communication from the Examining Division
Search/Exam
Feb 6, 2008
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Communication to designated inventor
Search/Exam
Jan 2, 2008
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Request for entry into the European phase
Search/Exam
Oct 19, 2007
Information on entry into European phase
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Jan 5, 2007
Dec 14, 2006
Copy of the international search report
Search/Exam
Dec 14, 2006
Published international application - A1
Search/Exam
Aug 10, 2006
Abstract
PCTISA
Aug 10, 2006
Claims
PCTISA
Aug 10, 2006
Description
PCTISA