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The patent EP3131833 was granted to K FEE System on Jun 11, 2025. The application was filed on Apr 16, 2015 under application number EP15717861A. 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 |
|---|---|---|---|
| DELICA | Mar 26, 2019 | HEPP WENGER RYFFEL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1344722 |
| DESCRIPTION | EP1710173 |
| DESCRIPTION | EP1792850 |
| DESCRIPTION | US2003172813 |
| DESCRIPTION | US2778739 |
| DESCRIPTION | US5352765 |
| DESCRIPTION | WO2012010317 |
| INTERNATIONAL-SEARCH-REPORT | EP1221418 |
| INTERNATIONAL-SEARCH-REPORT | US2012070543 |
| INTERNATIONAL-SEARCH-REPORT | WO2012038063 |
| INTERNATIONAL-SEARCH-REPORT | WO2013053757 |
| INTERNATIONAL-SEARCH-REPORT | WO2013189923 |
| INTERNATIONAL-SEARCH-REPORT | WO2014001563 |
| INTERNATIONAL-SEARCH-REPORT | WO2014001564 |
| INTERNATIONAL-SEARCH-REPORT | WO2014049143 |
| OPPOSITION | EP1344724 |
| OPPOSITION | US2012070543 |
| OPPOSITION | WO2010112353 |
| OPPOSITION | WO2012038063 |
| OPPOSITION | WO2013053757 |
| OPPOSITION | WO2013189923 |
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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May 15, 2025
May 15, 2025
May 6, 2025
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Means of redress
OPPO
Jul 26, 2024
Jul 24, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Feb 26, 2024
Feb 21, 2024
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Description
OPPO
Feb 21, 2024
Feb 21, 2024
Nov 6, 2023
Nov 6, 2023
Nov 6, 2023
Nov 6, 2023
Nov 6, 2023
Jul 21, 2023
Advice of delivery
Appeal
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
May 15, 2023
May 9, 2023
(Electronic) Receipt
Appeal
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
May 9, 2023
Mar 30, 2023
Mar 27, 2023
(Electronic) Receipt
Appeal
Mar 27, 2023
Mar 27, 2023
Feb 14, 2023
Feb 14, 2023
Feb 13, 2023
Advice of delivery
Appeal
Feb 7, 2023
Feb 7, 2023
Feb 2, 2023
Jan 30, 2023
Jan 27, 2022
Jan 24, 2022
(Electronic) Receipt
Appeal
Jan 24, 2022
Jan 24, 2022
Claims
Appeal
Jan 24, 2022
Jan 24, 2022
Reply to appeal
Appeal
Sep 20, 2021
Sep 20, 2021
Sep 20, 2021
Sep 15, 2021
(Electronic) Receipt
Appeal
Sep 15, 2021
Sep 15, 2021
Aug 17, 2021
Aug 17, 2021
Aug 11, 2021
Aug 10, 2021
(Electronic) Receipt
Appeal
Aug 10, 2021
Aug 10, 2021
Jul 30, 2021
Jun 18, 2021
(Electronic) Receipt
Appeal
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Notice of appeal
Appeal
Jun 14, 2021
Jun 11, 2021
May 11, 2021
May 6, 2021
May 6, 2021
May 6, 2021
May 6, 2021
May 6, 2021
May 6, 2021
May 6, 2021
May 6, 2021
Means of redress
OPPO
May 6, 2021
May 6, 2021
May 6, 2021
May 6, 2021
May 6, 2021
May 6, 2021
Feb 23, 2021
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Dec 17, 2020
Dec 10, 2020
Dec 7, 2020
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Nov 30, 2020
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Apr 10, 2019
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Apr 2, 2019
Mar 26, 2019
Mar 26, 2019
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Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Nov 19, 2018
Submission concerning representation
Search/Exam
Jul 9, 2018
Jun 1, 2018
Decision to grant a European patent
Search/Exam
May 14, 2018
(Electronic) Receipt
Search/Exam
May 14, 2018
English translation of the claims
Search/Exam
May 14, 2018
French translation of claims
Search/Exam
May 14, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2018
Mar 13, 2018
Mar 13, 2018
Intention to grant (signatures)
Search/Exam
Mar 13, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 13, 2018
Feb 8, 2018
Examination started
Search/Exam
Oct 4, 2017
(Electronic) Receipt
Search/Exam
Oct 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 4, 2017
Aug 4, 2017
Jun 7, 2017
(Electronic) Receipt
Search/Exam
Jun 7, 2017
Jun 7, 2017
Amended claims with annotations
Search/Exam
Jun 7, 2017
Amendments received before examination
Search/Exam
Jun 7, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 3, 2017
Feb 28, 2017
Jan 25, 2017
Dec 16, 2016
Nov 25, 2016
Communication to designated inventor
Search/Exam
Nov 25, 2016
Communication to designated inventor
Search/Exam
Nov 17, 2016
(Electronic) Receipt
Search/Exam
Nov 17, 2016
Request for entry into the European phase
Search/Exam
Oct 27, 2016
Oct 27, 2016
Aug 26, 2016
Information on entry into European phase
Search/Exam
Mar 23, 2016
Mar 23, 2016
Mar 23, 2016
Mar 23, 2016
Mar 23, 2016
Mar 10, 2016
Notification of election of EPO
Search/Exam
Feb 24, 2016
Feb 24, 2016
Feb 24, 2016
Feb 23, 2016
Feb 23, 2016
Feb 16, 2016
PCT demand form
PCT2
Feb 16, 2016
Feb 16, 2016
Feb 16, 2016
Nov 11, 2015
Oct 22, 2015
Copy of the international search report
Search/Exam
Oct 22, 2015
Copy of the international search report
Search/Exam
Oct 22, 2015
Published international application - A1
Search/Exam
Jul 24, 2015
Jul 24, 2015
Jul 24, 2015
Apr 16, 2015
(Electronic) Receipt
PCTRO
Apr 16, 2015
Abstract
PCTRO
Apr 16, 2015
Claims
PCTRO
Apr 16, 2015
Description
PCTRO
Apr 16, 2015
Drawings
PCTRO