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The patent EP3378324 was granted to Kaneka on May 10, 2023. The application was filed on May 24, 2012 under application number EP18170348A. 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 |
|---|---|---|---|
| NUTRICIA | Feb 9, 2024 | NEDERLANDSCH OCTROOIBUREAU | ADMISSIBLE |
| FRESENIUS KABI DEUTSCHLAND | Feb 5, 2024 | FRESENIUS KABI DEUTSCHLAND | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2009011229 |
| DESCRIPTION | JP2009106187 |
| DESCRIPTION | JP2010083774 |
| DESCRIPTION | JP4047363B |
| DESCRIPTION | WO2007026474 |
| EXAMINATION | JPS6025934 |
| OPPOSITION | EP2514321 |
| OPPOSITION | JP2004290120 |
| OPPOSITION | JP2008154469 |
| OPPOSITION | JP2010273573 |
| OPPOSITION | US2008160137 |
| OPPOSITION | US4146652 |
| OPPOSITION | US6475539 |
| OPPOSITION | WO2009072886 |
| OPPOSITION | WO2010114627 |
| SEARCH | EP2457447 |
| SEARCH | US2008131576 |
| SEARCH | US3528823 |
| SEARCH | US4524086 |
| SEARCH | US6475539 |
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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Refund of fees
Search/Exam
May 24, 2023
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Decision to grant a European patent
Search/Exam
Mar 30, 2023
(Electronic) Receipt
Search/Exam
Mar 30, 2023
Filing of the translations of the claims
Search/Exam
Mar 30, 2023
French translation of claims
Search/Exam
Mar 30, 2023
German translation of the claims
Search/Exam
Mar 30, 2023
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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(Electronic) Receipt
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Claims
Search/Exam
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Description
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Letter accompanying subsequently filed items
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Annex to the communication
Search/Exam
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Communication from the Examining Division
Search/Exam
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Examination started
Search/Exam
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Notification of forthcoming publication
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Refund of fees
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European search opinion
Search/Exam
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European search report
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Jun 27, 2018
Information on Search Strategy
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Jun 6, 2018
Search started
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May 2, 2018
Abstract
Search/Exam
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Claims
Search/Exam
May 2, 2018
Description
Search/Exam
May 2, 2018
Designation of inventor
Search/Exam
May 2, 2018
Request for grant of a European patent
Search/Exam
Jan 2, 2013