The weekly litigation news digest is live. Subscribe now
The patent EP3253222 was granted to Idaho Milk Products on Jun 22, 2022. The application was filed on Feb 3, 2016 under application number EP16747181A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| TETRA LAVAL & FINANCE | Mar 22, 2023 | TETRA PAK PATENT ATTORNEYS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE19935011 |
| DESCRIPTION | EP2370084 |
| DESCRIPTION | US2006003052 |
| DESCRIPTION | US4599164 |
| DESCRIPTION | US5639501 |
| INTERNATIONAL-SEARCH-REPORT | EP1878349 |
| INTERNATIONAL-SEARCH-REPORT | EP2370084 |
| INTERNATIONAL-SEARCH-REPORT | US2009252849 |
| INTERNATIONAL-SEARCH-REPORT | US6033700 |
| INTERNATIONAL-SEARCH-REPORT | US8840947 |
| INTERNATIONAL-SEARCH-REPORT | WO2011132178 |
| OPPOSITION | DE19935011 |
| OPPOSITION | EP0812544 |
| OPPOSITION | EP1878349 |
| OPPOSITION | EP2370084 |
| OPPOSITION | US2009252849 |
| OPPOSITION | US2013029028 |
| OPPOSITION | US2013309354 |
| OPPOSITION | US4599164 |
| OPPOSITION | US6465030 |
| OPPOSITION | US6821543 |
| OPPOSITION | WO2016126810 |
| SEARCH | DE19935011 |
| SEARCH | EP2370084 |
| SEARCH | US4599164 |
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 1, 2025
Sep 1, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
Means of redress
OPPO
May 28, 2025
Mar 12, 2025
Mar 12, 2025
Mar 11, 2025
Mar 6, 2025
Mar 6, 2025
Mar 6, 2025
Mar 5, 2025
Mar 5, 2025
Mar 5, 2025
Feb 6, 2025
Feb 4, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 30, 2025
Jan 30, 2025
Jan 30, 2025
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Dec 21, 2023
Dec 15, 2023
Dec 15, 2023
Dec 15, 2023
Oct 23, 2023
Oct 13, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Aug 7, 2023
Aug 7, 2023
Aug 2, 2023
Aug 2, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Jun 5, 2023
Apr 3, 2023
Apr 3, 2023
Mar 29, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Jul 5, 2022
May 27, 2022
Decision to grant a European patent
Search/Exam
May 13, 2022
(Electronic) Receipt
Search/Exam
May 13, 2022
Filing of the translations of the claims
Search/Exam
May 13, 2022
French translation of claims
Search/Exam
May 13, 2022
German translation of the claims
Search/Exam
May 13, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 3, 2022
Jan 3, 2022
Jan 3, 2022
Intention to grant (signatures)
Search/Exam
Jan 3, 2022
Text intended for grant (clean copy)
Search/Exam
Jan 3, 2022
Jul 27, 2020
(Electronic) Receipt
Search/Exam
Jul 27, 2020
Amended claims with annotations
Search/Exam
Jul 27, 2020
Amended description with annotations
Search/Exam
Jul 27, 2020
Claims
Search/Exam
Jul 27, 2020
Description
Search/Exam
Jul 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2020
Jul 24, 2020
(Electronic) Receipt
Search/Exam
Jul 24, 2020
Amended claims with annotations
Search/Exam
Jul 24, 2020
Amended description with annotations
Search/Exam
Jul 24, 2020
Claims
Search/Exam
Jul 24, 2020
Description
Search/Exam
Jul 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2020
Mar 17, 2020
Annex to the communication
Search/Exam
Mar 17, 2020
Communication from the Examining Division
Search/Exam
Mar 11, 2020
Examination started
Search/Exam
Feb 20, 2019
(Electronic) Receipt
Search/Exam
Feb 20, 2019
Feb 20, 2019
Amended claims with annotations
Search/Exam
Feb 20, 2019
Amendments received before examination
Search/Exam
Feb 20, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2018
Jul 24, 2018
Jul 24, 2018
European search opinion
Search/Exam
Jul 24, 2018
Information on Search Strategy
Search/Exam
Jul 24, 2018
Supplementary European search report
Search/Exam
Jul 12, 2018
Search started
Search/Exam
Mar 27, 2018
(Electronic) Receipt
Search/Exam
Mar 27, 2018
Mar 27, 2018
Amended claims with annotations
Search/Exam
Mar 27, 2018
Amendments received before examination
Search/Exam
Mar 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 15, 2017
Sep 29, 2017
Sep 27, 2017
Communication to designated inventor
Search/Exam
Sep 27, 2017
Communication to designated inventor
Search/Exam
Sep 4, 2017
(Electronic) Receipt
Search/Exam
Sep 4, 2017
Request for entry into the European phase
Search/Exam
Sep 4, 2017
Submission concerning representation
Search/Exam
Aug 23, 2017
Jun 19, 2017
Information on entry into European phase
Search/Exam
Aug 30, 2016
Aug 11, 2016
Copy of the international search report
Search/Exam
Aug 11, 2016
Published international application - A1
Search/Exam