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The patent EP3456528 was granted to CEE Compagnie Europenne DES Emballages Robert Schisler on Jul 27, 2022. The application was filed on Sep 19, 2018 under application number EP18195504A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| HUHTAMAKI OYJ | Apr 25, 2023 | KUTZENBERGER WOLFF & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO9426513 |
| OPPOSITION | DE961053 |
| OPPOSITION | EP2651542 |
| OPPOSITION | FR1442427 |
| OPPOSITION | GB1245923 |
| OPPOSITION | JP2003013391 |
| OPPOSITION | JP2005096814 |
| OPPOSITION | KR101168660B |
| OPPOSITION | US2004183223 |
| OPPOSITION | US2009014506 |
| OPPOSITION | US2016168799 |
| OPPOSITION | US2194275 |
| OPPOSITION | US3235401 |
| OPPOSITION | US5368893 |
| OPPOSITION | WO2010052571 |
| OPPOSITION | WO9426513 |
| OTHER | EP2651642 |
| OTHER | EP3456528 |
| OTHER | JP2005096814 |
| OTHER | US2009014506 |
| OTHER | US3235401 |
| OTHER | WO9426513 |
| SEARCH | DE961053 |
| SEARCH | JP2003013391 |
| SEARCH | JP2005096814 |
| SEARCH | US2009014506 |
| SEARCH | US5368893 |
| SEARCH | WO2010052571 |
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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Decision to grant a European patent
Search/Exam
Jun 17, 2022
(Electronic) Receipt
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Jun 17, 2022
English translation of the claims
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Jun 17, 2022
Filing of the translations of the claims
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Jun 17, 2022
German translation of the claims
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Jun 17, 2022
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Feb 21, 2022
Text intended for grant (clean copy)
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Feb 21, 2022
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(Electronic) Receipt
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Jan 17, 2022
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Nov 23, 2021
Letter accompanying subsequently filed items
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Nov 23, 2021
Observations by third parties
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Sep 27, 2021
(Electronic) Receipt
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Sep 27, 2021
Amended claims with annotations
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Sep 27, 2021
Claims
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Sep 27, 2021
Letter accompanying subsequently filed items
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Sep 27, 2021
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(Electronic) Receipt
Search/Exam
Sep 16, 2021
Letter accompanying subsequently filed items
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Annex to the communication
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May 17, 2021
Communication from the Examining Division
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(Electronic) Receipt
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Apr 20, 2021
Letter accompanying subsequently filed items
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Apr 20, 2021
Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Observations by third parties
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Patent document filed by a Third party
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Intention to grant (signatures)
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Apr 1, 2021
Text intended for grant (clean copy)
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(Electronic) Receipt
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Mar 9, 2021
Amended claims with annotations
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Mar 9, 2021
Claims
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Mar 9, 2021
Letter accompanying subsequently filed items
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Mar 9, 2021
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Annex to the communication
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Nov 18, 2020
Communication from the Examining Division
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Nov 13, 2020
(Electronic) Receipt
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Nov 13, 2020
Filing of the translations of the claims
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Nov 13, 2020
Letter accompanying subsequently filed items
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Nov 13, 2020
Translation of the claims
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Nov 13, 2020
Translation of the claims
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Aug 18, 2020
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(Electronic) Receipt
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Aug 12, 2020
Letter accompanying subsequently filed items
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Aug 12, 2020
Observations by third parties
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Aug 12, 2020
Patent document filed by a Third party
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Patent document filed by a Third party
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Refund of fees
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Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Aug 1, 2019
Amended claims with annotations
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Aug 1, 2019
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Aug 1, 2019
Letter accompanying subsequently filed items
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Apr 29, 2019
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Refund of fees
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European search opinion
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Mar 21, 2019
European search report
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Mar 21, 2019
Information on Search Strategy
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Feb 20, 2019
Notification of forthcoming publication
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Jan 23, 2019
(Electronic) Receipt
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Jan 23, 2019
Letter accompanying subsequently filed items
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Jan 23, 2019
Letter concerning search matters
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Nov 29, 2018
Nov 29, 2018
Information on Search Strategy
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Nov 29, 2018
Partial European search report
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Nov 29, 2018
Nov 19, 2018
Search started
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Nov 12, 2018
Communication to designated inventor
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Nov 12, 2018
Communication to designated inventor
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Oct 30, 2018
Letter concerning the priority
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Oct 30, 2018
Priority document
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Sep 25, 2018
Priority search results copy provided by EPO
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Sep 19, 2018
Abstract
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Sep 19, 2018
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Annex
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Sep 19, 2018
Claims
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Sep 19, 2018
Description
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Sep 19, 2018
Designation of inventor
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Sep 19, 2018
Drawings
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Sep 19, 2018
Priority search results
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Sep 19, 2018
Request for grant of a European patent
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