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The patent EP3028578 was granted to The Nisshin Oillio Group on Mar 12, 2025. The application was filed on Jul 11, 2014 under application number EP14831178A. 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 |
|---|---|---|---|
| AAK | Feb 5, 2021 | HAMER | ADMISSIBLE |
| ARNOLD & SIEDSMA | Feb 5, 2021 | ARNOLD & SIEDSMA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2000270769 |
| DESCRIPTION | JP2000336389 |
| DESCRIPTION | JPH05211837 |
| DESCRIPTION | JPH11169191 |
| INTERNATIONAL-SEARCH-REPORT | JPH07264981 |
| INTERNATIONAL-SEARCH-REPORT | WO2011115063 |
| OPPOSITION | EP1776870 |
| OPPOSITION | GB827172 |
| OPPOSITION | JPH07155106 |
| OPPOSITION | US4283436 |
| OPPOSITION | WO2011115063 |
| OPPOSITION | WO8300418 |
| SEARCH | EP2213712 |
| SEARCH | WO2012139574 |
| SEARCH | WO2013065726 |
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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Feb 13, 2025
Feb 13, 2025
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Refund of fees
Appeal
Jul 12, 2024
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Jul 9, 2024
(Electronic) Receipt
Appeal
Jul 9, 2024
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Withdrawal of an appeal
Appeal
May 28, 2024
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(Electronic) Receipt
Appeal
May 22, 2024
May 22, 2024
Notice of appeal
Appeal
Mar 22, 2024
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OPPO
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OPPO
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OPPO
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Description
OPPO
Jul 5, 2021
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Authorisation
OPPO
Apr 28, 2021
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May 18, 2020
Apr 9, 2020
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Decision to grant a European patent
Search/Exam
Mar 30, 2020
(Electronic) Receipt
Search/Exam
Mar 30, 2020
Filing of the translations of the claims
Search/Exam
Mar 30, 2020
French translation of claims
Search/Exam
Mar 30, 2020
German translation of the claims
Search/Exam
Mar 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 18, 2019
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Intention to grant (signatures)
Search/Exam
Dec 18, 2019
Text intended for grant (clean copy)
Search/Exam
Dec 18, 2019
Nov 26, 2019
(Electronic) Receipt
Search/Exam
Nov 26, 2019
Amended claims with annotations
Search/Exam
Nov 26, 2019
Amended description with annotations
Search/Exam
Nov 26, 2019
Claims
Search/Exam
Nov 26, 2019
Description
Search/Exam
Nov 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 26, 2019
Aug 5, 2019
Annex to the communication
Search/Exam
Aug 5, 2019
Communication from the Examining Division
Search/Exam
Jul 16, 2019
Examination started
Search/Exam
Jan 4, 2019
Aug 22, 2017
(Electronic) Receipt
Search/Exam
Aug 22, 2017
Aug 22, 2017
Amended claims with annotations
Search/Exam
Aug 22, 2017
Amendments received before examination
Search/Exam
Aug 22, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2017
Feb 7, 2017
Feb 7, 2017
European search opinion
Search/Exam
Feb 7, 2017
Information on Search Strategy
Search/Exam
Feb 7, 2017
Supplementary European search report
Search/Exam
Jan 30, 2017
Search started
Search/Exam
Dec 8, 2016
CDS Clean up - amended applicant details
Search/Exam
Nov 11, 2016
Request for correction
Search/Exam
Jul 25, 2016
Submission concerning representation
Search/Exam
May 11, 2016
Notification of forthcoming publication
Search/Exam
Mar 8, 2016
Mar 4, 2016
Communication to designated inventor
Search/Exam
Feb 16, 2016
Feb 16, 2016
Feb 8, 2016
(Electronic) Receipt
Search/Exam
Feb 8, 2016
Abstract
Search/Exam
Feb 8, 2016
Claims
Search/Exam
Feb 8, 2016
Feb 8, 2016
Description
Search/Exam
Feb 8, 2016
Request for entry into the European phase
Search/Exam
Feb 8, 2016
Dec 9, 2015
Information on entry into European phase
Search/Exam
Feb 24, 2015
Feb 5, 2015
Copy of the international search report
Search/Exam
Feb 5, 2015
Feb 5, 2015
International publication pamphlet
Search/Exam