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The patent EP3593933 was granted to Tetra Laval & Finance on Nov 17, 2021. The application was filed on Jul 5, 2019 under application number EP19184744A. 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 |
|---|---|---|---|
| MACSA ID | Aug 12, 2022 | DURAN CORRETJER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2016166379 |
| EXAMINATION | US2009323753 |
| OPPOSITION | EP0157546 |
| OPPOSITION | EP0950973 |
| OPPOSITION | EP2565124 |
| OPPOSITION | EP3251783 |
| OPPOSITION | JP2013111070 |
| OPPOSITION | US2005140763 |
| OPPOSITION | US2009323753 |
| OPPOSITION | US2016301064 |
| OPPOSITION | US8164025 |
| OPPOSITION | US8625152 |
| OPPOSITION | WO0035678 |
| OPPOSITION | WO03097361 |
| OPPOSITION | WO2006114600 |
| OPPOSITION | WO2016166379 |
| SEARCH | EP0950973 |
| SEARCH | EP2565124 |
| SEARCH | US2016301064 |
| SEARCH | US8164025 |
| SEARCH | WO2016166379 |
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 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 19, 2025
Refund of fees
Appeal
Nov 18, 2025
Nov 17, 2025
Nov 17, 2025
Nov 12, 2025
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Nov 12, 2025
Nov 7, 2025
Nov 5, 2025
(Electronic) Receipt
Appeal
Nov 5, 2025
Nov 5, 2025
Withdrawal of an appeal
Appeal
Oct 8, 2025
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Jun 28, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Apr 24, 2024
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Notice of appeal
Appeal
Feb 26, 2024
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Means of redress
OPPO
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OPPO
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OPPO
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OPPO
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Nov 30, 2021
Oct 21, 2021
Decision to grant a European patent
Search/Exam
Oct 12, 2021
(Electronic) Receipt
Search/Exam
Oct 12, 2021
Filing of the translations of the claims
Search/Exam
Oct 12, 2021
French translation of claims
Search/Exam
Oct 12, 2021
German translation of the claims
Search/Exam
Oct 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 1, 2021
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Intention to grant (signatures)
Search/Exam
Sep 1, 2021
Text intended for grant (clean copy)
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Sep 1, 2021
May 11, 2021
(Electronic) Receipt
Search/Exam
May 11, 2021
Amended description with annotations
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May 11, 2021
Description
Search/Exam
May 11, 2021
Letter accompanying subsequently filed items
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May 11, 2021
Jan 19, 2021
Annex to the communication
Search/Exam
Jan 19, 2021
Communication from the Examining Division
Search/Exam
Dec 8, 2020
(Electronic) Receipt
Search/Exam
Dec 8, 2020
Amended description with annotations
Search/Exam
Dec 8, 2020
Description
Search/Exam
Dec 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 8, 2020
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Intention to grant (signatures)
Search/Exam
Dec 2, 2020
Text intended for grant (clean copy)
Search/Exam
Dec 2, 2020
Nov 11, 2020
Examination started
Search/Exam
Jul 7, 2020
(Electronic) Receipt
Search/Exam
Jul 7, 2020
Jul 7, 2020
Amended claims with annotations
Search/Exam
Jul 7, 2020
Amendments received before examination
Search/Exam
Jul 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 20, 2020
Dec 18, 2019
Notification of forthcoming publication
Search/Exam
Dec 18, 2019
Refund of fees
Search/Exam
Dec 13, 2019
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European search opinion
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Dec 13, 2019
European search report
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Dec 13, 2019
Information on Search Strategy
Search/Exam
Dec 7, 2019
Modified abstract
Search/Exam
Nov 29, 2019
Search started
Search/Exam
Sep 27, 2019
Communication to designated inventor
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Sep 27, 2019
Communication to designated inventor
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Sep 27, 2019
Communication to designated inventor
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Sep 27, 2019
Communication to designated inventor
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Sep 10, 2019
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Jul 15, 2019
Priority search results copy provided by EPO
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Jul 5, 2019
Abstract
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Jul 5, 2019
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Claims
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Jul 5, 2019
Description
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Jul 5, 2019
Designation of inventor
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Jul 5, 2019
Drawings
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Jul 5, 2019
Priority search results
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Jul 5, 2019
Request for grant of a European patent
Search/Exam