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The patent EP2938199 was granted to CSK Food Enrichment on Nov 2, 2022. The application was filed on Dec 24, 2013 under application number EP13818522A. 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 |
|---|---|---|---|
| CHR HANSEN | Apr 3, 2020 | HOFFMANN EITLE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2009304864 |
| INTERNATIONAL-SEARCH-REPORT | US5656268 |
| INTERNATIONAL-SEARCH-REPORT | US6156353 |
| INTERNATIONAL-SEARCH-REPORT | WO03071883 |
| OPPOSITION | AR046214 |
| OPPOSITION | US6156353 |
| OPPOSITION | US6689402 |
| OPPOSITION | WO2012076665 |
| OPPOSITION | WO9203059 |
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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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
May 21, 2019
Filing of the translations of the claims
Search/Exam
May 21, 2019
French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Text intended for grant (clean copy)
Search/Exam
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
Search/Exam
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Examination started
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
Feb 2, 2016
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Search/Exam
Feb 2, 2016
Letter accompanying subsequently filed items
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Priority search results copy provided by EPO
Search/Exam
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(Electronic) Receipt
Search/Exam
Jun 26, 2015
Request for entry into the European phase
Search/Exam
May 18, 2015
Notification of the recording of a change
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Information on entry into European phase
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Notification of the recording of a change
Search/Exam
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Notification of the recording of a change
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Copy of the international search report
Search/Exam
Jul 3, 2014
Published international application - A1
Search/Exam
Feb 24, 2014
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Dec 24, 2013
Abstract
PCTISA
Dec 24, 2013
Annex
PCTISA
Dec 24, 2013
Claims
PCTISA
Dec 24, 2013
Description
PCTISA