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The patent EP3228552 was granted to SIG Technology on Mar 27, 2019. The application was filed on Apr 4, 2016 under application number EP16020106A. 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 | Dec 23, 2019 | MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC | ADMISSIBLE |
| TETRA LAVAL & FINANCE | Dec 23, 2019 | 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 | DE10326106 |
| DESCRIPTION | EP0144736 |
| DESCRIPTION | EP1316508 |
| DESCRIPTION | WO2005097606 |
| DESCRIPTION | WO2009101029 |
| DESCRIPTION | WO2011120857 |
| OPPOSITION | EM11700390001S |
| OPPOSITION | EM11700390002S |
| OPPOSITION | EM11700390003S |
| OPPOSITION | EM13832100019S |
| OPPOSITION | EP0277673 |
| OPPOSITION | EP1338521 |
| OPPOSITION | EP2392517 |
| OPPOSITION | IT80544S |
| OPPOSITION | USD473464S |
| OPPOSITION | WO2005090168 |
| OPPOSITION | WO2006000285 |
| OPPOSITION | WO2011064536 |
| SEARCH | EP2392517 |
| SEARCH | WO2005090168 |
| SEARCH | WO2009101029 |
| SEARCH | WO2011064536 |
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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Dec 2, 2025
Dec 2, 2025
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Sep 30, 2025
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Aug 26, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
May 14, 2025
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Apr 23, 2025
Annex
Appeal
Apr 23, 2025
Apr 23, 2025
Apr 18, 2025
(Electronic) Receipt
Appeal
Apr 18, 2025
(Electronic) Receipt
Appeal
Apr 18, 2025
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Apr 15, 2025
OP Summons VICO (R)
Appeal
Apr 15, 2025
OP Summons VICO (R)
Appeal
Apr 14, 2025
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Apr 10, 2025
Apr 10, 2025
Order - OP Summons (R)
Appeal
Mar 21, 2025
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Mar 11, 2024
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Appeal
Jan 12, 2024
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Appeal
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Appeal
Dec 14, 2023
(Electronic) Receipt
Appeal
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Appeal
Nov 24, 2023
(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Aug 14, 2023
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(Electronic) Receipt
Appeal
Nov 29, 2022
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Reply to appeal
Appeal
Nov 22, 2022
Annex
OPPO
Nov 22, 2022
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Jul 15, 2022
(Electronic) Receipt
Appeal
Jul 15, 2022
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(Electronic) Receipt
Appeal
May 25, 2022
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Notice of appeal
Appeal
Mar 31, 2022
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Means of redress
OPPO
Mar 29, 2022
Means of redress
OPPO
Mar 29, 2022
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Apr 8, 2019
Feb 28, 2019
Decision to grant a European patent
Search/Exam
Feb 11, 2019
English translation of the claims
Search/Exam
Feb 11, 2019
Filing of the translations of the claims
Search/Exam
Feb 11, 2019
French translation of claims
Search/Exam
Oct 19, 2018
Oct 19, 2018
Oct 19, 2018
Intention to grant (signatures)
Search/Exam
Oct 19, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 19, 2018
Sep 13, 2018
Examination started
Search/Exam
Apr 10, 2018
(Electronic) Receipt
Search/Exam
Apr 10, 2018
Apr 10, 2018
Amended claims with annotations
Search/Exam
Apr 10, 2018
Apr 10, 2018
Amended description with annotations
Search/Exam
Apr 10, 2018
Apr 10, 2018
Amendments received before examination
Search/Exam
Apr 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 10, 2018
Submission concerning representation
Search/Exam
Oct 16, 2017
Sep 13, 2017
Notification of forthcoming publication
Search/Exam
Dec 5, 2016
Communication to designated inventor
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Dec 5, 2016
Communication to designated inventor
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Nov 29, 2016
Designation of inventor
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Sep 16, 2016
Sep 16, 2016
European search opinion
Search/Exam
Sep 16, 2016
European search report
Search/Exam
Sep 16, 2016
Information on Search Strategy
Search/Exam
Sep 5, 2016
Search started
Search/Exam
Apr 29, 2016
Deficiency in designation of inventor
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Apr 4, 2016
Abstract
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Apr 4, 2016
Claims
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Apr 4, 2016
Description
Search/Exam
Apr 4, 2016
Drawings
Search/Exam
Apr 4, 2016
General authorisation
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Apr 4, 2016
Request for grant of a European patent
Search/Exam