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The patent EP3131912 was granted to CHR Hansen HMO on Jan 22, 2020. The application was originally filed on Dec 23, 2014 under application number EP14827224A. 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 |
|---|---|---|---|
| BASF | Oct 22, 2020 | ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB | ADMISSIBLE |
| DANISCO | Oct 21, 2020 | N&H EMEA | ADMISSIBLE |
| GREAVES BREWSTER | Oct 21, 2020 | GREAVES BREWSTER | ADMISSIBLE |
| FRIESLANDCAMPINA NEDERLAND | Oct 5, 2020 | FRIESLANDCAMPINA DEPARTMENT | ADMISSIBLE |
| NESTLE | Feb 24, 2020 | ALT | WITHDRAWN |
| GLYCOM | Jan 23, 2020 | STRYCH | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP2845905 |
| EXAMINATION | WO2012112777 |
| EXAMINATION | WO2015049331 |
| INTERNATIONAL-SEARCH-REPORT | EP2479263 |
| OPPOSITION | CN101691538B |
| OPPOSITION | CN101691538 |
| OPPOSITION | EP2013367 |
| OPPOSITION | EP2379708 |
| OPPOSITION | EP2440661 |
| OPPOSITION | EP2479263 |
| OPPOSITION | EP2845905 |
| OPPOSITION | EP2857410 |
| OPPOSITION | EP2896628 |
| OPPOSITION | EP3063159 |
| OPPOSITION | EP3141610 |
| OPPOSITION | US10377787 |
| OPPOSITION | US2005069997 |
| OPPOSITION | US2005211240 |
| OPPOSITION | US2010248315 |
| OPPOSITION | US6017433 |
| OPPOSITION | US6454946 |
| OPPOSITION | WO0024918 |
| OPPOSITION | WO0160171 |
| OPPOSITION | WO2007130247 |
| OPPOSITION | WO2010115935 |
| OPPOSITION | WO2011016008 |
| OPPOSITION | WO2011150939 |
| OPPOSITION | WO2012069415 |
| OPPOSITION | WO2012112777 |
| OPPOSITION | WO2012160080 |
| OPPOSITION | WO2013096420 |
| OPPOSITION | WO2013182206 |
| OPPOSITION | WO2013185780 |
| OPPOSITION | WO2014086373 |
| OPPOSITION | WO2015049331 |
| OPPOSITION | WO2015150328 |
| OTHER | EP2479263 |
| OTHER | EP2857410 |
| OTHER | EP2896628 |
| OTHER | EP3131912 |
| OTHER | WO2012112777 |
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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Oct 10, 2017
Amended claims with annotations
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Sep 21, 2016
Priority search results copy provided by EPO
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Amended claims with annotations
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Request for entry into the European phase
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Information on entry into European phase
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Notification of the recording of a change
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Copy of the international search report
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Published international application - A1
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PCTRO
Dec 23, 2014
Abstract
PCTRO
Dec 23, 2014
Claims
PCTRO
Dec 23, 2014
Description
PCTRO
Dec 23, 2014
Drawings
PCTRO
Dec 23, 2014