The weekly litigation news digest is live. Subscribe now
The patent EP3727013 was granted to Tessenderlo Group on Mar 5, 2025. The application was filed on Dec 21, 2018 under application number EP18822405A. 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 |
|---|---|---|---|
| ARLA FOODS AMBA | Dec 5, 2025 | POTTER CLARKSON | ADMISSIBLE |
| GELITA | Dec 5, 2025 | HOEGER | ADMISSIBLE |
| ROUSSELOT | Dec 5, 2025 | EP&C | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN105581964 |
| INTERNATIONAL-SEARCH-REPORT | GB2370751 |
| INTERNATIONAL-SEARCH-REPORT | US2006040033 |
| INTERNATIONAL-SEARCH-REPORT | US2009269455 |
| INTERNATIONAL-SEARCH-REPORT | US3743514 |
| INTERNATIONAL-SEARCH-REPORT | WO2009036493 |
| OPPOSITION | CN101028136 |
| OPPOSITION | CN103740791 |
| OPPOSITION | DE2250304 |
| OPPOSITION | JP2007209230 |
| OPPOSITION | RU2528068 |
| OPPOSITION | US2011305740 |
| OPPOSITION | US2013252899 |
| OPPOSITION | US8227424 |
| OPPOSITION | WO2004065507 |
| OTHER | JP4536665B |
| OTHER | US2011305740 |
| OTHER | US5962254 |
| OTHER | WO2008001183 |
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
Dec 22, 2025
Dec 22, 2025
Dec 22, 2025
Dec 22, 2025
Dec 19, 2025
Dec 19, 2025
Refund of fees
LIMP
Dec 16, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 9, 2025
Dec 9, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Description
LIMP
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Mar 18, 2025
Feb 12, 2025
Feb 6, 2025
Decision to grant a European patent
Search/Exam
Feb 5, 2025
Citation filed by a third party
Search/Exam
Feb 5, 2025
Observations by third parties
Search/Exam
Feb 5, 2025
Patent document filed by a Third party
Search/Exam
Feb 5, 2025
Patent document filed by a Third party
Search/Exam
Jan 23, 2025
(Electronic) Receipt
Search/Exam
Jan 23, 2025
French translation of claims
Search/Exam
Jan 23, 2025
German translation of the claims
Search/Exam
Jan 23, 2025
Letter accompanying subsequently filed items
Search/Exam
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Intention to grant (signatures)
Search/Exam
Sep 23, 2024
Text intended for grant (clean copy)
Search/Exam
Sep 23, 2024
Aug 21, 2024
(Electronic) Receipt
Search/Exam
Aug 21, 2024
Amended claims with annotations
Search/Exam
Aug 21, 2024
Amended description with annotations
Search/Exam
Aug 21, 2024
Claims
Search/Exam
Aug 21, 2024
Description
Search/Exam
Aug 21, 2024
Letter accompanying subsequently filed items
Search/Exam
Aug 21, 2024
Jun 25, 2024
Jun 20, 2024
(Electronic) Receipt
Search/Exam
Jun 20, 2024
Letter accompanying subsequently filed items
Search/Exam
Jun 20, 2024
Feb 27, 2024
Annex to the communication
Search/Exam
Feb 27, 2024
Communication from the Examining Division
Search/Exam
Feb 21, 2024
Examination started
Search/Exam
Feb 5, 2021
(Electronic) Receipt
Search/Exam
Feb 5, 2021
Feb 5, 2021
Amended claims with annotations
Search/Exam
Feb 5, 2021
Amendments received before examination
Search/Exam
Feb 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 21, 2021
Document concerning representation
Search/Exam
Sep 30, 2020
Jul 29, 2020
Jul 27, 2020
Communication to designated inventor
Search/Exam
Jul 27, 2020
Communication to designated inventor
Search/Exam
Jul 27, 2020
Communication to designated inventor
Search/Exam
Jul 22, 2020
Priority search results copy provided by EPO
Search/Exam
Jul 22, 2020
Refund of fees
Search/Exam
Jul 8, 2020
(Electronic) Receipt
Search/Exam
Jul 8, 2020
Request for entry into the European phase
Search/Exam
Jul 2, 2020
Jun 29, 2020
Jun 22, 2020
Observations by third parties
Search/Exam
Jun 22, 2020
Observations by third parties
Search/Exam
May 4, 2020
Information on entry into European phase
Search/Exam
Apr 2, 2020
Apr 2, 2020
Apr 2, 2020
Apr 2, 2020
Feb 3, 2020
Feb 3, 2020
Feb 3, 2020
Jan 29, 2020
Nov 18, 2019
Notification of election of EPO
Search/Exam
Nov 14, 2019
Written opinion
PCT2
Nov 14, 2019
Nov 14, 2019
Nov 5, 2019
Oct 25, 2019
Oct 17, 2019
Oct 17, 2019
PCT demand form
PCT2
Oct 17, 2019
Oct 17, 2019
Jul 19, 2019
Jun 27, 2019
Copy of the international search report
Search/Exam
Jun 27, 2019
Published international application - A1
Search/Exam
May 2, 2019
May 2, 2019
May 2, 2019
May 2, 2019
May 2, 2019
May 2, 2019
May 2, 2019
Apr 11, 2019
(Electronic) Receipt
PCTRO
Apr 11, 2019
Apr 11, 2019
Apr 11, 2019
RO101 Declaration
PCTRO
Feb 11, 2019
ISR: cited documents
PCTISA
Feb 6, 2019
Feb 6, 2019
Feb 6, 2019
Jan 8, 2019
Jan 7, 2019
Jan 4, 2019
Dec 21, 2018
(Electronic) Receipt
PCTRO
Dec 21, 2018
Abstract
PCTRO
Dec 21, 2018
Claims
PCTRO
Dec 21, 2018
Description
PCTRO
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018