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The patent EP1753297 was granted to CHR Hansen on Sep 27, 2017. The application was filed on May 2, 2005 under application number EP05735392A. 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 |
|---|---|---|---|
| DUPONT NUTRITION BIOSCIENCES APS | Jun 26, 2018 | D YOUNG | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0384534 |
| INTERNATIONAL-SEARCH-REPORT | US2004151802 |
| INTERNATIONAL-SEARCH-REPORT | US3930028 |
| INTERNATIONAL-SEARCH-REPORT | WO02089592 |
| INTERNATIONAL-SEARCH-REPORT | WO03037093 |
| OPPOSITION | EP0384534 |
| OPPOSITION | US2003113405 |
| OPPOSITION | US2004151802 |
| OPPOSITION | US3005714 |
| OPPOSITION | US3862005 |
| OPPOSITION | US4402986 |
| OPPOSITION | US568157 |
| OPPOSITION | US584690 |
| OPPOSITION | US617190 |
| OPPOSITION | WO02089592 |
| OPPOSITION | WO0239828 |
| OPPOSITION | WO03037093 |
| OPPOSITION | WO2004060073 |
| OPPOSITION | WO9640935 |
| OPPOSITION | WO9931990 |
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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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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Aug 31, 2017
Decision to grant a European patent
Search/Exam
Aug 17, 2017
(Electronic) Receipt
Search/Exam
Aug 17, 2017
Filing of the translations of the claims
Search/Exam
Aug 17, 2017
French translation of claims
Search/Exam
Aug 17, 2017
German translation of the claims
Search/Exam
Aug 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2017
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Intention to grant (signatures)
Search/Exam
Apr 26, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 26, 2017
Apr 12, 2017
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Amended claims with annotations
Search/Exam
Feb 13, 2017
Amended description with annotations
Search/Exam
Feb 13, 2017
Claims
Search/Exam
Feb 13, 2017
Description
Search/Exam
Feb 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 13, 2017
Dec 8, 2016
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Intention to grant (signatures)
Search/Exam
Dec 8, 2016
Text intended for grant (clean copy)
Search/Exam
Dec 8, 2016
Nov 15, 2016
Oct 10, 2016
(Electronic) Receipt
Search/Exam
Oct 10, 2016
Annexes in respect of a client data request
Search/Exam
Oct 10, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 10, 2016
Sep 23, 2016
(Electronic) Receipt
Search/Exam
Sep 23, 2016
Amended claims with annotations
Search/Exam
Sep 23, 2016
Amended description with annotations
Search/Exam
Sep 23, 2016
Claims
Search/Exam
Sep 23, 2016
Description
Search/Exam
Sep 23, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 23, 2016
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(Electronic) Receipt
Search/Exam
Jul 5, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 28, 2016
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(Electronic) Receipt
Search/Exam
Apr 14, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2016
Apr 1, 2016
Annex to the communication
Search/Exam
Apr 1, 2016
Communication from the Examining Division
Search/Exam
Oct 28, 2010
Amended claims with annotations
Search/Exam
Oct 28, 2010
Amended description with annotations
Search/Exam
Oct 28, 2010
Claims
Search/Exam
Oct 28, 2010
Description
Search/Exam
Oct 28, 2010
Letter accompanying subsequently filed items
Search/Exam
Oct 28, 2010
Apr 8, 2009
Claims
Search/Exam
Apr 8, 2009
Claims
Search/Exam
Apr 8, 2009
Description
Search/Exam
Apr 8, 2009
Description
Search/Exam
Apr 8, 2009
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2009
Nov 28, 2008
Annex to the communication
Search/Exam
Nov 28, 2008
Communication from the Examining Division
Search/Exam
Nov 12, 2008
Claims
Search/Exam
Nov 12, 2008
Claims
Search/Exam
Nov 12, 2008
Description
Search/Exam
Nov 12, 2008
Description
Search/Exam
Nov 12, 2008
Letter accompanying subsequently filed items
Search/Exam
Nov 12, 2008
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Annex to the communication
Search/Exam
May 2, 2008
Communication from the Examining Division
Search/Exam
Jan 15, 2008
Claims
Search/Exam
Jan 15, 2008
Claims
Search/Exam
Jan 15, 2008
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2008
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Jul 5, 2007
Annex to the communication
Search/Exam
Jul 5, 2007
Communication from the Examining Division
Search/Exam
Jun 26, 2007
Letter concerning the inventor
Search/Exam
Apr 12, 2007
Mar 15, 2007
Letter which had not been notified
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Feb 14, 2007
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Amendments received before examination
Search/Exam
Feb 14, 2007
Claims
Search/Exam
Feb 7, 2007
Amendments received before examination
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Jan 24, 2007
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Refund of fees
Search/Exam
Jan 8, 2007
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Request for entry into the European phase
Search/Exam
Nov 27, 2006
Nov 27, 2006
Notification of the recording of a change
Search/Exam
Sep 15, 2006
Information on entry into European phase
Search/Exam
Aug 24, 2006
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Notification of election of EPO
Search/Exam
May 16, 2006
Free text
PCT2
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PCT demand form
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Mar 3, 2006
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PCT demand form
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Dec 15, 2005
Copy of the international search report
Search/Exam
Dec 15, 2005
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Nov 10, 2005
Notification of the recording of a change
Search/Exam
Nov 10, 2005
Published international application - A2
Search/Exam
Jun 10, 2005
Abstract
PCTISA
Jun 10, 2005
Claims
PCTISA
Jun 10, 2005
Description
PCTISA