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The patent EP2774615 was granted to KAO on Feb 12, 2025. The application was filed on Oct 16, 2012 under application number EP12842024A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| ARLA FOODS AMBA | Oct 9, 2025 | POTTER CLARKSON | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2007089535 |
| DESCRIPTION | JP2007112793 |
| DESCRIPTION | JP2007246404 |
| DESCRIPTION | JP2007320901 |
| DESCRIPTION | JP2008534599 |
| DESCRIPTION | JP2009513149 |
| DESCRIPTION | JP2010059155 |
| DESCRIPTION | JP3103218B |
| DESCRIPTION | JPH0347192 |
| INTERNATIONAL-SEARCH-REPORT | JP2008037789 |
| INTERNATIONAL-SEARCH-REPORT | JP2010059155 |
| INTERNATIONAL-SEARCH-REPORT | JP2011157329 |
| INTERNATIONAL-SEARCH-REPORT | WO2011096413 |
| OPPOSITION | JP2010059155 |
| OPPOSITION | US2012309716 |
| OPPOSITION | WO2011096413 |
| OTHER | US2012309716 |
| OTHER | WO2011096413 |
| SEARCH | US2007036849 |
| SEARCH | US6673378 |
| SEARCH | WO2007034927 |
| SEARCH | WO2008054192 |
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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Nov 24, 2025
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Feb 25, 2025
Jan 16, 2025
Decision to grant a European patent
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Dec 11, 2024
Nov 6, 2024
Oct 30, 2024
Non-patent literature filed by a third party
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Oct 30, 2024
Non-patent literature filed by a third party
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Oct 30, 2024
Non-patent literature filed by a third party
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Oct 30, 2024
Observations by third parties
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Oct 30, 2024
Observations by third parties
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Oct 23, 2024
Oct 17, 2024
(Electronic) Receipt
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Oct 17, 2024
Filing of the translations of the claims
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Oct 17, 2024
French translation of claims
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Oct 17, 2024
German translation of the claims
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Oct 17, 2024
Letter accompanying subsequently filed items
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Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Intention to grant (signatures)
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Jul 5, 2024
Text intended for grant (clean copy)
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Jul 5, 2024
Apr 17, 2024
(Electronic) Receipt
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Apr 17, 2024
Amended description with annotations
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Apr 17, 2024
Description
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Apr 17, 2024
Letter accompanying subsequently filed items
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Apr 17, 2024
Feb 7, 2024
Annex to the communication
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Feb 7, 2024
Communication from the Examining Division
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Nov 2, 2023
(Electronic) Receipt
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Nov 2, 2023
Amended claims with annotations
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Nov 2, 2023
Claims
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Nov 2, 2023
Letter accompanying subsequently filed items
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Nov 2, 2023
Nov 2, 2023
Nov 2, 2023
Nov 2, 2023
Nov 2, 2023
Jun 26, 2023
Annex to the communication
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Jun 26, 2023
Communication from the Examining Division
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Jun 1, 2022
(Electronic) Receipt
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Jun 1, 2022
Amended description with annotations
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Jun 1, 2022
Description
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Jun 1, 2022
Letter accompanying subsequently filed items
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Jun 1, 2022
Apr 1, 2022
Annex to the communication
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Apr 1, 2022
Communication from the Examining Division
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Jan 28, 2021
(Electronic) Receipt
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Jan 28, 2021
Amended claims with annotations
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Jan 28, 2021
Amended description with annotations
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Jan 28, 2021
Claims
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Jan 28, 2021
Description
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Jan 28, 2021
Letter accompanying subsequently filed items
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Jan 28, 2021
Sep 28, 2020
Annex to the communication
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Sep 28, 2020
Communication from the Examining Division
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Nov 6, 2019
Refund of fees
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Sep 4, 2019
Amended claims with annotations
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Sep 4, 2019
Claims
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Sep 4, 2019
May 6, 2019
Annex to the communication
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May 6, 2019
Communication from the Examining Division
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Feb 6, 2018
Amended claims with annotations
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Feb 6, 2018
Claims
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Feb 6, 2018
Oct 12, 2017
Annex to the communication
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Oct 12, 2017
Communication from the Examining Division
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Jul 3, 2017
Examination started
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Jul 28, 2016
Jul 28, 2016
Amended claims with annotations
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Jul 28, 2016
Amendments received before examination
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Jul 28, 2016
Jul 28, 2016
Feb 2, 2016
Jan 15, 2016
Jan 15, 2016
European search opinion
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Jan 15, 2016
Information on Search Strategy
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Jan 15, 2016
Supplementary European search report
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Aug 21, 2015
Letter concerning search matters
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Aug 21, 2015
Aug 21, 2015
Aug 21, 2015
Payment of fees and costs
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Jun 16, 2015
Jun 16, 2015
Partial European search report
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Mar 12, 2015
Submission concerning representation
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Mar 4, 2015
Search started
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Jan 7, 2015
Aug 13, 2014
Notification of forthcoming publication
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Jun 5, 2014
May 21, 2014
Communication to designated inventor
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May 21, 2014
Communication to designated inventor
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May 21, 2014
Communication to designated inventor
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May 21, 2014
Communication to designated inventor
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May 7, 2014
May 7, 2014
Apr 30, 2014
Payment of fees and costs
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Apr 9, 2014
Letter concerning the inventor
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Apr 8, 2014
(Electronic) Receipt
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Apr 8, 2014
Abstract
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Apr 8, 2014
Apr 8, 2014
Amended claims with annotations
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Apr 8, 2014
Claims
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Apr 8, 2014
Converted Sequence Listing
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Apr 8, 2014
Description
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Apr 8, 2014
Request for entry into the European phase
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Feb 28, 2014
Information on entry into European phase
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May 16, 2013
Apr 25, 2013
Converted Sequence Listing
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Apr 25, 2013
Copy of the international search report
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Apr 25, 2013
Apr 25, 2013
International publication pamphlet
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