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The patent EP3737713 was granted to CP Kelco APS on Aug 10, 2022. The application was filed on Dec 10, 2018 under application number EP18829234A. 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 |
|---|---|---|---|
| VORBERG | May 10, 2023 | F & E PATENT | ADMISSIBLE |
| VORBERG | May 10, 2023 | PATENTANWALTE BAUER VORBERG KAYSER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1115748 |
| DESCRIPTION | US8404289 |
| DESCRIPTION | WO9842294 |
| INTERNATIONAL-SEARCH-REPORT | EP1115748 |
| INTERNATIONAL-SEARCH-REPORT | EP1598062 |
| INTERNATIONAL-SEARCH-REPORT | US2005014852 |
| INTERNATIONAL-SEARCH-REPORT | US2008317789 |
| INTERNATIONAL-SEARCH-REPORT | US8404289 |
| INTERNATIONAL-SEARCH-REPORT | WO0006609 |
| OPPOSITION | US6340473 |
| OPPOSITION | US7807194 |
| OPPOSITION | US8293285 |
| OPPOSITION | US8404289 |
| OPPOSITION | US9555269 |
| OPPOSITION | US9814683 |
| OPPOSITION | WO0006609 |
| OPPOSITION | WO2016047825 |
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 12, 2025
Nov 10, 2025
(Electronic) Receipt
Appeal
Nov 10, 2025
Nov 10, 2025
Jul 31, 2025
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(Electronic) Receipt
Appeal
Jul 25, 2025
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Reply to appeal
Appeal
Jul 25, 2025
Reply to appeal
Appeal
Mar 31, 2025
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Mar 31, 2025
Mar 27, 2025
(Electronic) Receipt
Appeal
Mar 27, 2025
(Electronic) Receipt
Appeal
Mar 27, 2025
Authorisation
Appeal
Mar 27, 2025
Mar 27, 2025
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Feb 3, 2025
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Jan 29, 2025
Jan 28, 2025
(Electronic) Receipt
Appeal
Jan 28, 2025
Jan 28, 2025
Notice of appeal
Appeal
Nov 28, 2024
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Means of redress
OPPO
Nov 28, 2024
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Aug 23, 2022
Jul 14, 2022
Decision to grant a European patent
Search/Exam
Jul 5, 2022
(Electronic) Receipt
Search/Exam
Jul 5, 2022
Filing of the translations of the claims
Search/Exam
Jul 5, 2022
French translation of claims
Search/Exam
Jul 5, 2022
German translation of the claims
Search/Exam
Jul 5, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 23, 2022
Feb 23, 2022
Feb 23, 2022
Intention to grant (signatures)
Search/Exam
Feb 23, 2022
Text intended for grant (clean copy)
Search/Exam
Feb 23, 2022
Oct 8, 2021
(Electronic) Receipt
Search/Exam
Oct 8, 2021
Amended description with annotations
Search/Exam
Oct 8, 2021
Description
Search/Exam
Oct 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2021
May 31, 2021
Annex to the communication
Search/Exam
May 31, 2021
Communication from the Examining Division
Search/Exam
May 20, 2021
Examination started
Search/Exam
Feb 28, 2021
(Electronic) Receipt
Search/Exam
Feb 28, 2021
Feb 28, 2021
Amended claims with annotations
Search/Exam
Feb 28, 2021
Amendments received before examination
Search/Exam
Feb 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2020
Aug 18, 2020
Aug 14, 2020
Communication to designated inventor
Search/Exam
Aug 14, 2020
Communication to designated inventor
Search/Exam
Jul 27, 2020
Jun 22, 2020
Refund of fees
Search/Exam
Jun 22, 2020
Refund of fees
Search/Exam
Jun 15, 2020
Notification of the recording of a change
Search/Exam
Jun 5, 2020
(Electronic) Receipt
Search/Exam
Jun 5, 2020
Request for entry into the European phase
Search/Exam
Jun 5, 2020
Statement under Art. 19 PCT
Search/Exam
May 26, 2020
Information on entry into European phase
Search/Exam
Sep 19, 2019
Published international application - A4
Search/Exam
Aug 7, 2019
Aug 7, 2019
Jul 18, 2019
Copy of the international search report
Search/Exam
Jul 18, 2019
Published international application - A1
Search/Exam
Jan 16, 2019
Dec 17, 2018
(Electronic) Receipt
PCTRO
Dec 17, 2018
Dec 17, 2018
Dec 10, 2018
(Electronic) Receipt
PCTRO
Dec 10, 2018
Abstract
PCTRO
Dec 10, 2018
Claims
PCTRO
Dec 10, 2018
Description
PCTRO
Dec 10, 2018
Dec 10, 2018