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The patent EP2841557 was granted to CHR Hansen on Feb 21, 2024. The application was filed on Apr 25, 2013 under application number EP13719516A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 18, 2020 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2005003327 |
| DESCRIPTION | WO2011026863 |
| INTERNATIONAL-SEARCH-REPORT | WO2011026863 |
| OPPOSITION | WO2011026863 |
| OPPOSITION | WO2011092300 |
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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Refund of fees
Appeal
Oct 20, 2023
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(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Reply to appeal
Appeal
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Appeal
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(Electronic) Receipt
Appeal
Jan 7, 2022
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Notice of appeal
Appeal
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Authorisation
OPPO
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Decision to grant a European patent
Search/Exam
Aug 8, 2019
(Electronic) Receipt
Search/Exam
Aug 8, 2019
Filing of the translations of the claims
Search/Exam
Aug 8, 2019
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Mar 29, 2019
Text intended for grant (clean copy)
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Text intended for grant (sequence listing)
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(Electronic) Receipt
Search/Exam
Mar 1, 2019
Amended claims with annotations
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Mar 1, 2019
Claims
Search/Exam
Mar 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 1, 2019
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Annex to the communication
Search/Exam
Oct 24, 2018
Communication from the Examining Division
Search/Exam
Oct 17, 2018
Refund of fees
Search/Exam
Oct 2, 2018
(Electronic) Receipt
Search/Exam
Oct 2, 2018
Filing of the translations of the claims
Search/Exam
Oct 2, 2018
French translation of claims
Search/Exam
Oct 2, 2018
German translation of the claims
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Oct 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 23, 2018
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(Electronic) Receipt
Search/Exam
Aug 9, 2018
Citation filed by a third party
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Aug 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 9, 2018
Observations by third parties
Search/Exam
Aug 8, 2018
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Intention to grant (signatures)
Search/Exam
Aug 8, 2018
Text intended for grant (clean copy)
Search/Exam
Aug 8, 2018
Text intended for grant (sequence listing)
Search/Exam
Aug 8, 2018
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Advice of delivery
Search/Exam
Jun 11, 2018
(Electronic) Receipt
Search/Exam
Jun 11, 2018
Amended description with annotations
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Jun 11, 2018
Description
Search/Exam
Jun 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 11, 2018
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(Electronic) Receipt
Search/Exam
Jun 6, 2018
Amended claims with annotations
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Amended claims with annotations
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Jun 6, 2018
Amended claims with annotations
Search/Exam
Jun 6, 2018
Amended claims with annotations
Search/Exam
Jun 6, 2018
Claims
Search/Exam
Jun 6, 2018
Claims
Search/Exam
Jun 6, 2018
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Search/Exam
Jun 6, 2018
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Jun 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 6, 2018
May 14, 2018
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(Electronic) Receipt
Search/Exam
May 4, 2018
(Electronic) Receipt
Search/Exam
May 4, 2018
Amended claims with annotations
Search/Exam
May 4, 2018
Amended claims with annotations
Search/Exam
May 4, 2018
Amended claims with annotations
Search/Exam
May 4, 2018
Annex
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May 4, 2018
Annex
Search/Exam
May 4, 2018
Claims
Search/Exam
May 4, 2018
Claims
Search/Exam
May 4, 2018
Claims
Search/Exam
May 4, 2018
Letter accompanying subsequently filed items
Search/Exam
May 4, 2018
Letter accompanying subsequently filed items
Search/Exam
May 4, 2018
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Nov 6, 2017
Advice of delivery
Search/Exam
Oct 31, 2017
Advice of delivery
Search/Exam
Oct 27, 2017
Acknowledgement of a document
Search/Exam
Oct 27, 2017
Annex to the communication
Search/Exam
Oct 27, 2017
Preparation for oral proceedings
Search/Exam
Oct 27, 2017
Summons to attend oral proceedings
Search/Exam
Jul 5, 2017
(Electronic) Receipt
Search/Exam
Jul 5, 2017
Amended claims with annotations
Search/Exam
Jul 5, 2017
Claims
Search/Exam
Jul 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 5, 2017
Jun 28, 2017
Jun 23, 2017
(Electronic) Receipt
Search/Exam
Jun 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 23, 2017
Feb 17, 2017
Annex to the communication
Search/Exam
Feb 17, 2017
Communication from the Examining Division
Search/Exam
May 4, 2016
Decision to allow further processing
Search/Exam
Apr 26, 2016
(Electronic) Receipt
Search/Exam
Apr 26, 2016
Amended claims with annotations
Search/Exam
Apr 26, 2016
Claims
Search/Exam
Apr 26, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2016
Request for further processing
Search/Exam
Mar 11, 2016
Feb 4, 2016
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Jan 7, 2016
Oct 7, 2015
Annex to the communication
Search/Exam
Oct 7, 2015
Communication from the Examining Division
Search/Exam
Feb 4, 2015
Dec 5, 2014
Dec 2, 2014
Communication to designated inventor
Search/Exam
Dec 2, 2014
Communication to designated inventor
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Dec 2, 2014
Communication to designated inventor
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Dec 2, 2014
Communication to designated inventor
Search/Exam
Nov 28, 2014
Priority search results copy provided by EPO
Search/Exam
Nov 28, 2014
Priority search results copy provided by EPO
Search/Exam
Nov 12, 2014
Nov 7, 2014
(Electronic) Receipt
Search/Exam
Nov 7, 2014
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Amended claims with annotations
Search/Exam
Nov 7, 2014
Amendments received before examination
Search/Exam
Nov 7, 2014
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Request for entry into the European phase
Search/Exam
Sep 5, 2014
Information on entry into European phase
Search/Exam
Jan 24, 2014
Nov 26, 2013
Nov 26, 2013
Oct 31, 2013
Oct 31, 2013
Converted Sequence Listing
Search/Exam
Oct 31, 2013
Copy of the international search report
Search/Exam
Oct 31, 2013
Published international application - A1
Search/Exam
Jun 19, 2013
Jun 19, 2013
Jun 19, 2013
Jun 6, 2013
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Apr 25, 2013
(Electronic) Receipt
PCTRO
Apr 25, 2013
Abstract
PCTRO
Apr 25, 2013
Claims
PCTRO
Apr 25, 2013
Description
PCTRO
Apr 25, 2013
Drawings
PCTRO
Apr 25, 2013
Apr 25, 2013