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The patent EP3294850 was granted to Epax Norway on May 21, 2025. The application was filed on May 12, 2016 under application number EP16793072A. 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 |
|---|---|---|---|
| GOLDEN OMEGA | Jun 29, 2021 | HOFFMANN EITLE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0255824 |
| DESCRIPTION | US2009203787 |
| DESCRIPTION | US2012071558 |
| DESCRIPTION | US2014100280 |
| INTERNATIONAL-SEARCH-REPORT | EP0347509 |
| INTERNATIONAL-SEARCH-REPORT | US2009023808 |
| INTERNATIONAL-SEARCH-REPORT | US2013190399 |
| INTERNATIONAL-SEARCH-REPORT | US6537787 |
| INTERNATIONAL-SEARCH-REPORT | WO2009097331 |
| OPPOSITION | EP2438819 |
| OPPOSITION | EP2659780 |
| OPPOSITION | US2009203787 |
| OPPOSITION | WO2012112902 |
| OTHER | US2009020378 |
| OTHER | US2009203787 |
| OTHER | US2012071558 |
| OTHER | US2014010028 |
| OTHER | US2347565 |
| OTHER | US4377526 |
| OTHER | US8957231 |
| OTHER | WO2009097331 |
| OTHER | WO2012112902 |
| OTHER | WO2016182452 |
| SEARCH | EP1359224 |
| SEARCH | US2014100280 |
| SEARCH | WO9727274 |
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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Apr 25, 2025
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Refund of fees
Appeal
Dec 18, 2024
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Dec 12, 2024
Dec 11, 2024
(Electronic) Receipt
Appeal
Dec 11, 2024
Withdrawal of an appeal
Appeal
Dec 11, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Mar 11, 2024
Refund of fees
Appeal
Feb 27, 2024
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(Electronic) Receipt
Appeal
Feb 23, 2024
(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
Jan 3, 2024
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Dec 22, 2023
(Electronic) Receipt
Appeal
Dec 22, 2023
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Dec 22, 2023
Notice of appeal
Appeal
Dec 22, 2023
Notice of appeal
Appeal
Dec 20, 2023
(Electronic) Receipt
Appeal
Dec 20, 2023
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Notice of appeal
Appeal
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OPPO
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Oct 12, 2020
Sep 3, 2020
Decision to grant a European patent
Search/Exam
Aug 25, 2020
(Electronic) Receipt
Search/Exam
Aug 25, 2020
French translation of claims
Search/Exam
Aug 25, 2020
German translation of the claims
Search/Exam
Aug 25, 2020
Letter accompanying subsequently filed items
Search/Exam
May 29, 2020
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Intention to grant (signatures)
Search/Exam
May 29, 2020
Text intended for grant (clean copy)
Search/Exam
May 29, 2020
Feb 13, 2020
(Electronic) Receipt
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Feb 13, 2020
Amended claims with annotations
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Feb 13, 2020
Amended description with annotations
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Feb 13, 2020
Claims
Search/Exam
Feb 13, 2020
Description
Search/Exam
Feb 13, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 13, 2020
Dec 9, 2019
Annex to the communication
Search/Exam
Dec 9, 2019
Communication from the Examining Division
Search/Exam
Jul 30, 2019
Annex to the communication
Search/Exam
Jul 30, 2019
Communication from the Examining Division
Search/Exam
Jul 24, 2019
Examination started
Search/Exam
Apr 12, 2019
(Electronic) Receipt
Search/Exam
Apr 12, 2019
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Amended claims with annotations
Search/Exam
Apr 12, 2019
Amendments received before examination
Search/Exam
Apr 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 12, 2019
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Dec 14, 2018
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Dec 5, 2018
(Electronic) Receipt
Search/Exam
Dec 5, 2018
Citation filed by a third party
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Dec 5, 2018
Citation filed by a third party
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Dec 5, 2018
Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Dec 5, 2018
Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Dec 5, 2018
Citation filed by a third party
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Dec 5, 2018
Citation filed by a third party
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Dec 5, 2018
Citation filed by a third party
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Dec 5, 2018
Citation filed by a third party
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Dec 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 5, 2018
Observations by third parties
Search/Exam
Oct 16, 2018
Sep 27, 2018
Sep 27, 2018
European search opinion
Search/Exam
Sep 27, 2018
Information on Search Strategy
Search/Exam
Sep 27, 2018
Supplementary European search report
Search/Exam
Sep 13, 2018
Search started
Search/Exam
Aug 6, 2018
Submission concerning representation
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Feb 21, 2018
Dec 20, 2017
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Communication to designated inventor
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Dec 18, 2017
Communication to designated inventor
Search/Exam
Nov 20, 2017
Nov 3, 2017
Notification of the recording of a change
Search/Exam
Oct 30, 2017
Notification of the recording of a change
Search/Exam
Oct 27, 2017
(Electronic) Receipt
Search/Exam
Oct 27, 2017
Oct 27, 2017
Request for entry into the European phase
Search/Exam
Sep 22, 2017
Information on entry into European phase
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Apr 11, 2017
Notification of election of EPO
Search/Exam
Dec 5, 2016
Nov 17, 2016
Copy of the international search report
Search/Exam
Nov 17, 2016
Published international application - A1
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