The weekly litigation news digest is live. Subscribe now
The patent EP3311679 was granted to Rimfrost on Nov 24, 2021. The application was filed on Dec 21, 2012 under application number EP17204677A. 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 |
|---|---|---|---|
| AKER BIOMARINE HUMAN INGREDIENTS | Aug 24, 2022 | CARPMAELS & RANSFORD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | GB2240786 |
| DESCRIPTION | JPH02215351 |
| DESCRIPTION | US2008274203 |
| DESCRIPTION | US2011224450 |
| DESCRIPTION | WO0023546 |
| DESCRIPTION | WO02102394 |
| DESCRIPTION | WO2007136281 |
| DESCRIPTION | WO2008060163 |
| OPPOSITION | WO2007136281 |
| OPPOSITION | WO2008117062 |
| OPPOSITION | WO2010030193 |
| SEARCH | WO2010030193 |
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
Get instant alerts for new documents
Sep 12, 2025
Refund of fees
Search/Exam
Sep 8, 2025
Sep 8, 2025
Sep 8, 2025
Sep 8, 2025
Sep 5, 2025
Sep 4, 2025
(Electronic) Receipt
Appeal
Sep 4, 2025
Sep 4, 2025
Withdrawal of an appeal
Appeal
Aug 28, 2025
Aug 27, 2025
(Electronic) Receipt
Appeal
Aug 27, 2025
Aug 27, 2025
Aug 27, 2025
Aug 27, 2025
Aug 6, 2025
Aug 6, 2025
Jul 4, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Reply to appeal
OPPO
Mar 28, 2025
Mar 28, 2025
Mar 26, 2025
Mar 25, 2025
Mar 24, 2025
Mar 24, 2025
Mar 24, 2025
Mar 24, 2025
Mar 20, 2025
Mar 20, 2025
Mar 20, 2025
Mar 20, 2025
Mar 19, 2025
Mar 5, 2025
Mar 3, 2025
Feb 28, 2025
(Electronic) Receipt
Appeal
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Jan 8, 2025
Jan 8, 2025
Dec 23, 2024
(Electronic) Receipt
Appeal
Dec 23, 2024
Notice of appeal
Appeal
Dec 23, 2024
Notice of appeal
Appeal
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Means of redress
OPPO
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Sep 5, 2024
Jul 10, 2024
Jul 9, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Feb 15, 2024
Feb 15, 2024
Feb 9, 2024
Feb 9, 2024
Feb 9, 2024
Feb 9, 2024
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Jun 9, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
Mar 23, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Jan 12, 2023
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Sep 9, 2022
Sep 9, 2022
Aug 30, 2022
Aug 24, 2022
Aug 24, 2022
Aug 24, 2022
Aug 24, 2022
Aug 24, 2022
Aug 24, 2022
Aug 24, 2022
Aug 24, 2022
Aug 24, 2022
Aug 24, 2022
Aug 24, 2022
Aug 24, 2022
Dec 7, 2021
Oct 28, 2021
Decision to grant a European patent
Search/Exam
Oct 14, 2021
(Electronic) Receipt
Search/Exam
Oct 14, 2021
Filing of the translations of the claims
Search/Exam
Oct 14, 2021
French translation of claims
Search/Exam
Oct 14, 2021
German translation of the claims
Search/Exam
Oct 14, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 17, 2021
Jun 15, 2021
Jun 15, 2021
Jun 15, 2021
Intention to grant (signatures)
Search/Exam
Jun 15, 2021
Text intended for grant (clean copy)
Search/Exam
Jun 15, 2021
Jun 4, 2021
(Electronic) Receipt
Search/Exam
Jun 4, 2021
Enquiry as to the processing of the file
Search/Exam
Jun 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2020
(Electronic) Receipt
Search/Exam
Dec 11, 2020
Amended description with annotations
Search/Exam
Dec 11, 2020
Description
Search/Exam
Dec 11, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2020
Nov 25, 2020
Annex to the communication
Search/Exam
Nov 25, 2020
Communication from the Examining Division
Search/Exam
Sep 1, 2020
(Electronic) Receipt
Search/Exam
Sep 1, 2020
Claims
Search/Exam
Sep 1, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 1, 2020
Apr 24, 2020
Annex to the communication
Search/Exam
Apr 24, 2020
Communication from the Examining Division
Search/Exam
Mar 5, 2020
Mar 5, 2020
Feb 27, 2020
(Electronic) Receipt
Search/Exam
Feb 27, 2020
General authorisation
Search/Exam
Feb 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 27, 2020
Feb 24, 2020
(Electronic) Receipt
Search/Exam
Feb 24, 2020
Amended description with annotations
Search/Exam
Feb 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2020
Notice of opposition
Search/Exam
Feb 24, 2020
Nov 18, 2019
Submission concerning representation
Search/Exam
Oct 22, 2019
Annex to the communication
Search/Exam
Oct 22, 2019
Communication from the Examining Division
Search/Exam
Oct 10, 2019
(Electronic) Receipt
Search/Exam
Oct 10, 2019
Claims
Search/Exam
Oct 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 10, 2019
Aug 12, 2019
Aug 2, 2019
(Electronic) Receipt
Search/Exam
Aug 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 2, 2019
Apr 5, 2019
Annex to the communication
Search/Exam
Apr 5, 2019
Communication from the Examining Division
Search/Exam
Mar 21, 2019
(Electronic) Receipt
Search/Exam
Mar 21, 2019
Amended claims with annotations
Search/Exam
Mar 21, 2019
Amended description with annotations
Search/Exam
Mar 21, 2019
Claims
Search/Exam
Mar 21, 2019
Description
Search/Exam
Mar 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 21, 2019
Nov 26, 2018
Annex to the communication
Search/Exam
Nov 26, 2018
Communication from the Examining Division
Search/Exam
Nov 20, 2018
Examination started
Search/Exam
Oct 25, 2018
(Electronic) Receipt
Search/Exam
Oct 25, 2018
Oct 25, 2018
Amended claims with annotations
Search/Exam
Oct 25, 2018
Amendments received before examination
Search/Exam
Oct 25, 2018
Letter accompanying subsequently filed items
Search/Exam
May 2, 2018
Mar 28, 2018
Notification of forthcoming publication
Search/Exam
Feb 21, 2018
Feb 21, 2018
European search opinion
Search/Exam
Feb 21, 2018
European search report
Search/Exam
Feb 21, 2018
Information on Search Strategy
Search/Exam
Feb 16, 2018
(Electronic) Receipt
Search/Exam
Feb 16, 2018
Designation of inventor
Search/Exam
Feb 16, 2018
Designation of inventor
Search/Exam
Feb 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 2, 2018
Search started
Search/Exam
Jan 2, 2018
Deficiency in designation of inventor
Search/Exam
Nov 30, 2017
Abstract
Search/Exam
Nov 30, 2017
Nov 30, 2017
Claims
Search/Exam
Nov 30, 2017
Description
Search/Exam
Nov 30, 2017
Drawings
Search/Exam
Nov 30, 2017
Request for grant of a European patent
Search/Exam
Jul 30, 2013