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The patent EP3148897 was granted to Tetra Laval & Finance on Aug 15, 2018. The application was filed on May 28, 2015 under application number EP15724700A. 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 |
|---|---|---|---|
| STORA ENSO OYJ | May 14, 2019 | FORSTMEYER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1144186 |
| INTERNATIONAL-SEARCH-REPORT | US4286016 |
| INTERNATIONAL-SEARCH-REPORT | US5071704 |
| OPPOSITION | EP1144186 |
| OPPOSITION | EP1861544 |
| OPPOSITION | FI125024B |
| OPPOSITION | WO0224544 |
| OPPOSITION | WO2009112255 |
| OPPOSITION | WO2013041469 |
| OPPOSITION | WO2013160553 |
| OPPOSITION | WO2013160564 |
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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(Electronic) Receipt
Appeal
Jan 16, 2023
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Nov 30, 2022
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Nov 25, 2022
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May 10, 2022
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(Electronic) Receipt
Appeal
May 3, 2022
May 3, 2022
Feb 11, 2022
Feb 7, 2022
(Electronic) Receipt
Appeal
Feb 7, 2022
Feb 7, 2022
Reply to appeal
Appeal
Oct 14, 2021
Oct 8, 2021
(Electronic) Receipt
Appeal
Oct 8, 2021
Oct 8, 2021
Aug 18, 2021
Aug 18, 2021
Aug 12, 2021
(Electronic) Receipt
Appeal
Aug 12, 2021
Aug 12, 2021
Notice of appeal
Appeal
Jun 22, 2021
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Jun 18, 2021
Jun 15, 2021
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Means of redress
OPPO
Jun 15, 2021
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Authorisation
OPPO
Jun 5, 2020
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Feb 17, 2020
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May 29, 2019
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Aug 27, 2018
Jul 19, 2018
Decision to grant a European patent
Search/Exam
Jun 29, 2018
(Electronic) Receipt
Search/Exam
Jun 29, 2018
Filing of the translations of the claims
Search/Exam
Jun 29, 2018
French translation of claims
Search/Exam
Jun 29, 2018
German translation of the claims
Search/Exam
Jun 29, 2018
Letter accompanying subsequently filed items
Search/Exam
May 7, 2018
May 7, 2018
May 7, 2018
Intention to grant (signatures)
Search/Exam
May 7, 2018
Text intended for grant (clean copy)
Search/Exam
May 7, 2018
Apr 23, 2018
Jan 23, 2018
Examination started
Search/Exam
Jul 12, 2017
(Electronic) Receipt
Search/Exam
Jul 12, 2017
Jul 12, 2017
Amended description with annotations
Search/Exam
Jul 12, 2017
Amendments received before examination
Search/Exam
Jul 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 8, 2017
Jan 24, 2017
Jan 18, 2017
Communication to designated inventor
Search/Exam
Jan 18, 2017
Communication to designated inventor
Search/Exam
Jan 18, 2017
Communication to designated inventor
Search/Exam
Jan 17, 2017
Priority search results copy provided by EPO
Search/Exam
Jan 16, 2017
Note on telephone consultation
Search/Exam
Dec 22, 2016
(Electronic) Receipt
Search/Exam
Dec 22, 2016
Request for entry into the European phase
Search/Exam
Dec 12, 2016
Nov 22, 2016
Nov 22, 2016
Nov 22, 2016
Notification of the recording of a change
Search/Exam
Oct 7, 2016
Information on entry into European phase
Search/Exam
Jan 4, 2016
Dec 3, 2015
Copy of the international search report
Search/Exam
Dec 3, 2015
Published international application - A1
Search/Exam
Jul 31, 2015
Jul 7, 2015
(Electronic) Receipt
PCTISA
Jul 7, 2015
Jun 17, 2015
Jun 17, 2015
Jun 17, 2015
May 28, 2015
(Electronic) Receipt
PCTRO
May 28, 2015
Abstract
PCTRO
May 28, 2015
Claims
PCTRO
May 28, 2015
Description
PCTRO
May 28, 2015
Drawings
PCTRO
May 28, 2015