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The patent EP2335489 was granted to CSK Food Enrichment on Feb 21, 2018. The application was filed on Dec 16, 2010 under application number EP10195455A. 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 |
|---|---|---|---|
| CRYOVAC | Nov 21, 2018 | UEXKULL & STOLBERG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1074570 |
| DESCRIPTION | EP1262527 |
| DESCRIPTION | EP1307510 |
| DESCRIPTION | EP1500684 |
| DESCRIPTION | EP1537785 |
| DESCRIPTION | FR2600310 |
| DESCRIPTION | GB2291407 |
| DESCRIPTION | WO03050159 |
| DESCRIPTION | WO2009047322 |
| DESCRIPTION | WO2009047332 |
| DESCRIPTION | WO9621692 |
| OPPOSITION | EP0384553 |
| OPPOSITION | EP0501891 |
| OPPOSITION | EP0646064 |
| OPPOSITION | FR2600310 |
| OPPOSITION | GB2291407 |
| OPPOSITION | WO2008028729 |
| OPPOSITION | WO2009047332 |
| OPPOSITION | WO2010094682 |
| SEARCH | EP0384553 |
| SEARCH | EP1099543 |
| SEARCH | FR2600310 |
| SEARCH | GB2291407 |
| SEARCH | WO2005090467 |
| SEARCH | WO2009047332 |
| SEARCH | WO2010094682 |
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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OPPO
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Claims
OPPO
Dec 17, 2019
Claims
OPPO
Dec 17, 2019
Claims
OPPO
Dec 17, 2019
Claims
OPPO
Dec 17, 2019
Claims
OPPO
Dec 17, 2019
Claims
OPPO
Dec 17, 2019
Claims
OPPO
Dec 17, 2019
Claims
OPPO
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Authorisation
OPPO
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Mar 9, 2018
Jan 25, 2018
Decision to grant a European patent
Search/Exam
Jan 3, 2018
(Electronic) Receipt
Search/Exam
Jan 3, 2018
Filing of the translations of the claims
Search/Exam
Jan 3, 2018
French translation of claims
Search/Exam
Jan 3, 2018
German translation of the claims
Search/Exam
Jan 3, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 5, 2017
Sep 5, 2017
Sep 5, 2017
Intention to grant (signatures)
Search/Exam
Sep 5, 2017
Text intended for grant (clean copy)
Search/Exam
Sep 5, 2017
Aug 15, 2016
(Electronic) Receipt
Search/Exam
Aug 15, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 15, 2016
Aug 15, 2016
Aug 15, 2016
Aug 15, 2016
Jun 9, 2016
Jun 3, 2016
(Electronic) Receipt
Search/Exam
Jun 3, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 3, 2016
Feb 5, 2016
Annex to the communication
Search/Exam
Feb 5, 2016
Communication from the Examining Division
Search/Exam
Aug 6, 2014
Aug 5, 2014
Jul 25, 2014
Payment of fees and costs
Search/Exam
Jul 25, 2014
Jun 11, 2013
May 29, 2013
Jan 5, 2012
(Electronic) Receipt
Search/Exam
Jan 5, 2012
Jan 5, 2012
Amended claims with annotations
Search/Exam
Jan 5, 2012
Amendments received before examination
Search/Exam
Jan 5, 2012
Letter accompanying subsequently filed items
Search/Exam
Jul 11, 2011
Jun 7, 2011
Jun 7, 2011
European search opinion
Search/Exam
Jun 7, 2011
European search report
Search/Exam
May 25, 2011
Notification of forthcoming publication
Search/Exam
May 10, 2011
Letter accompanying subsequently filed items
Search/Exam
May 10, 2011
Letter concerning search matters
Search/Exam
Feb 28, 2011
Feb 28, 2011
Partial European search report
Search/Exam
Feb 17, 2011
Dec 29, 2010
Letter accompanying subsequently filed items
Search/Exam
Dec 29, 2010
Priority document
Search/Exam
Dec 16, 2010
Abstract
Search/Exam
Dec 16, 2010
Dec 16, 2010
Claims
Search/Exam
Dec 16, 2010
Description
Search/Exam
Dec 16, 2010
Designation of inventor
Search/Exam
Dec 16, 2010
Designation of inventor
Search/Exam
Dec 16, 2010
Designation of inventor
Search/Exam
Dec 16, 2010
Designation of inventor
Search/Exam
Dec 16, 2010
Drawings
Search/Exam
Dec 16, 2010
Letter concerning search matters
Search/Exam
Dec 16, 2010
Request for grant of a European patent
Search/Exam