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The patent EP2176357 was granted to CHR Hansen on Dec 5, 2018. The application was filed on Jul 1, 2008 under application number EP08774593A. 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 |
|---|---|---|---|
| DSM NUTRITIONAL PRODUCTS | Sep 5, 2019 | LEDERER & KELLER PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
| SENSIENT EUROPE | Sep 5, 2019 | RGTH | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0239086 |
| INTERNATIONAL-SEARCH-REPORT | EP1066761 |
| INTERNATIONAL-SEARCH-REPORT | EP1300394 |
| INTERNATIONAL-SEARCH-REPORT | EP1471151 |
| INTERNATIONAL-SEARCH-REPORT | EP1875814 |
| INTERNATIONAL-SEARCH-REPORT | EP1964479 |
| INTERNATIONAL-SEARCH-REPORT | EP1967081 |
| INTERNATIONAL-SEARCH-REPORT | JP2006158320 |
| INTERNATIONAL-SEARCH-REPORT | US2003165572 |
| INTERNATIONAL-SEARCH-REPORT | US3110598 |
| INTERNATIONAL-SEARCH-REPORT | US6162474 |
| INTERNATIONAL-SEARCH-REPORT | WO0208182 |
| INTERNATIONAL-SEARCH-REPORT | WO2006032399 |
| INTERNATIONAL-SEARCH-REPORT | WO2007003543 |
| INTERNATIONAL-SEARCH-REPORT | WO2007009601 |
| INTERNATIONAL-SEARCH-REPORT | WO2007090614 |
| OPPOSITION | DE19652287 |
| OPPOSITION | DE2534091 |
| OPPOSITION | EP0239086 |
| OPPOSITION | EP0835613 |
| OPPOSITION | EP0966889 |
| OPPOSITION | EP1213013 |
| OPPOSITION | EP1270679 |
| OPPOSITION | US4307117 |
| OPPOSITION | US4548822 |
| OPPOSITION | WO0070967 |
| OPPOSITION | WO2005075066 |
| OPPOSITION | WO2006032399 |
| OPPOSITION | WO2007003543 |
| OPPOSITION | WO2007009601 |
| OPPOSITION | WO2007090614 |
| OPPOSITION | WO9106292 |
| OPPOSITION | WO9419411 |
| OPPOSITION | WO9726802 |
| OPPOSITION | WO9726803 |
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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May 3, 2023
Refund of fees
Search/Exam
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Appeal
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Claims
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(Electronic) Receipt
Appeal
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Appeal
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Authorisation
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Feb 6, 2022
Annexes in respect of a client data request
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Feb 6, 2022
Letter accompanying subsequently filed items
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Dec 17, 2018
Nov 8, 2018
Decision to grant a European patent
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Oct 25, 2018
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Oct 25, 2018
Filing of the translations of the claims
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Oct 25, 2018
French translation of claims
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Oct 25, 2018
German translation of the claims
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Oct 25, 2018
Letter accompanying subsequently filed items
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Jul 2, 2018
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Intention to grant (signatures)
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Jul 2, 2018
Text intended for grant (clean copy)
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Jul 2, 2018
Apr 30, 2018
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Apr 30, 2018
(Electronic) Receipt
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Apr 30, 2018
Amended claims with annotations
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Apr 30, 2018
Amended claims with annotations
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Apr 30, 2018
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Apr 30, 2018
Claims
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Apr 30, 2018
Letter accompanying subsequently filed items
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Apr 30, 2018
Letter accompanying subsequently filed items
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Apr 30, 2018
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Mar 9, 2018
Mar 5, 2018
(Electronic) Receipt
Search/Exam
Mar 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2018
Oct 26, 2017
Annex to the communication
Search/Exam
Oct 26, 2017
Communication from the Examining Division
Search/Exam
Oct 20, 2017
Annex to the communication
Search/Exam
Oct 20, 2017
Consultation by telephone/in person
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Oct 20, 2017
Oct 17, 2017
Annex to the communication
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Oct 17, 2017
Consultation by telephone/in person
Search/Exam
Oct 17, 2017
Sep 25, 2017
Annex to the communication
Search/Exam
Sep 25, 2017
Communication from the Examining Division
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Sep 13, 2017
(Electronic) Receipt
Search/Exam
Sep 13, 2017
Amended description with annotations
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Sep 13, 2017
Claims
Search/Exam
Sep 13, 2017
Description
Search/Exam
Sep 13, 2017
Letter accompanying subsequently filed items
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Sep 13, 2017
May 4, 2017
Annex to the communication
Search/Exam
May 4, 2017
Communication from the Examining Division
Search/Exam
Apr 24, 2017
(Electronic) Receipt
Search/Exam
Apr 24, 2017
Abstract
Search/Exam
Apr 24, 2017
Claims
Search/Exam
Apr 24, 2017
Description
Search/Exam
Apr 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2017
Mar 9, 2017
Annex to the communication
Search/Exam
Mar 9, 2017
Communication from the Examining Division
Search/Exam
Dec 20, 2016
(Electronic) Receipt
Search/Exam
Dec 20, 2016
Amended claims with annotations
Search/Exam
Dec 20, 2016
Claims
Search/Exam
Dec 20, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 20, 2016
Aug 22, 2016
Annex to the communication
Search/Exam
Aug 22, 2016
Communication from the Examining Division
Search/Exam
Mar 15, 2016
(Electronic) Receipt
Search/Exam
Mar 15, 2016
Amended claims with annotations
Search/Exam
Mar 15, 2016
Claims
Search/Exam
Mar 15, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 15, 2016
Jan 18, 2016
Jan 13, 2016
(Electronic) Receipt
Search/Exam
Jan 13, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2016
Sep 9, 2015
Annex to the communication
Search/Exam
Sep 9, 2015
Communication from the Examining Division
Search/Exam
Mar 11, 2015
Mar 6, 2015
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Mar 3, 2015
(Electronic) Receipt
Search/Exam
Mar 3, 2015
Letter accompanying subsequently filed items
Search/Exam
Mar 3, 2015
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Feb 19, 2015
Payment of fees and costs
Search/Exam
Feb 19, 2015
May 14, 2014
(Electronic) Receipt
Search/Exam
May 14, 2014
Amended claims with annotations
Search/Exam
May 14, 2014
Claims
Search/Exam
May 14, 2014
Letter accompanying subsequently filed items
Search/Exam
May 14, 2014
Mar 10, 2014
Mar 4, 2014
(Electronic) Receipt
Search/Exam
Mar 4, 2014
Letter accompanying subsequently filed items
Search/Exam
Mar 4, 2014
Nov 4, 2013
Annex to the communication
Search/Exam
Nov 4, 2013
Communication from the Examining Division
Search/Exam
Nov 29, 2011
(Electronic) Receipt
Search/Exam
Nov 29, 2011
Claims
Search/Exam
Nov 29, 2011
Letter accompanying subsequently filed items
Search/Exam
Nov 29, 2011
Oct 4, 2011
Sep 28, 2011
(Electronic) Receipt
Search/Exam
Sep 28, 2011
Letter accompanying subsequently filed items
Search/Exam
Sep 28, 2011
May 31, 2011
May 26, 2011
(Electronic) Receipt
Search/Exam
May 26, 2011
Letter accompanying subsequently filed items
Search/Exam
May 26, 2011
Mar 23, 2011
Annex to the communication
Search/Exam
Mar 23, 2011
Communication from the Examining Division
Search/Exam
Mar 24, 2010
Feb 19, 2010
Feb 3, 2010
(Electronic) Receipt
Search/Exam
Feb 3, 2010
Request for entry into the European phase
Search/Exam
Jan 27, 2010
Nov 20, 2009
Information on entry into European phase
Search/Exam
Jul 30, 2009
Copy of the international search report
Search/Exam
Jul 30, 2009
Jun 19, 2009
Jun 19, 2009
Jun 19, 2009
Feb 4, 2009
Jan 15, 2009
Published international application - A2
Search/Exam
Jul 1, 2008
(Electronic) Receipt
PCTRO
Jul 1, 2008
Abstract
PCTRO
Jul 1, 2008
Claims
PCTRO
Jul 1, 2008
Description
PCTRO
Jul 1, 2008