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The patent EP3599074 was granted to SN Maschinenbau on Jun 7, 2023. The application was filed on Jul 26, 2019 under application number EP19188547A. 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 |
|---|---|---|---|
| HDG VERPACKUNGSMASCHINEN | Mar 7, 2024 | MULLER BORE & PARTNER PATENTANWALTE PARTG MBB | ADMISSIBLE |
| ROVEMA | Mar 7, 2024 | ADVOTEC | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | AT507384 |
| OPPOSITION | CH314971 |
| OPPOSITION | CN107775998 |
| OPPOSITION | DE102011075378 |
| OPPOSITION | DE19535511 |
| OPPOSITION | DE202008005650U |
| OPPOSITION | DE202016104542U |
| OPPOSITION | EP0764584 |
| OPPOSITION | EP2463213 |
| OPPOSITION | EP3127823 |
| OPPOSITION | FR2215300 |
| OPPOSITION | US2001009089 |
| OPPOSITION | US2004025476 |
| OPPOSITION | US2004257476 |
| OPPOSITION | US2882956 |
| OPPOSITION | US3550935 |
| OPPOSITION | US3743567 |
| OPPOSITION | US3980225 |
| OPPOSITION | US3994209 |
| OPPOSITION | US5292299 |
| OPPOSITION | US7191575 |
| OPPOSITION | US7275354 |
| OPPOSITION | US7322169 |
| OPPOSITION | US7409810 |
| OPPOSITION | US7757460 |
| OPPOSITION | WO03086867 |
| OPPOSITION | WO2005105575 |
| SEARCH | GB751339 |
| SEARCH | JPS58102747 |
| SEARCH | US2004025476 |
| SEARCH | US3550935 |
| SEARCH | US3994209 |
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 19, 2025
Nov 14, 2025
(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
Nov 11, 2025
(Electronic) Receipt
Appeal
Nov 11, 2025
Notice of appeal
Appeal
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Notice of appeal
Appeal
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OPPO
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Decision to grant a European patent
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Mar 9, 2023
(Electronic) Receipt
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Mar 9, 2023
Letter accompanying subsequently filed items
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Mar 9, 2023
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(Electronic) Receipt
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Mar 8, 2023
English translation of the claims
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Mar 8, 2023
Filing of the translations of the claims
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Mar 8, 2023
French translation of claims
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Mar 8, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Feb 22, 2023
Text intended for grant (clean copy)
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Feb 22, 2023
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(Electronic) Receipt
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Feb 7, 2023
Amended claims with annotations
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Feb 7, 2023
Claims
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Feb 7, 2023
Letter accompanying subsequently filed items
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Feb 7, 2023
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Intention to grant (signatures)
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Feb 2, 2023
Text intended for grant (clean copy)
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Feb 2, 2023
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(Electronic) Receipt
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Aug 18, 2022
Deficiencies in an enquiry
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Aug 18, 2022
Enquiry as to the processing of the file
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Letter accompanying subsequently filed items
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Aug 9, 2022
(Electronic) Receipt
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General enquiry
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Aug 9, 2022
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Jan 10, 2022
Letter accompanying subsequently filed items
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Annex to the communication
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Jan 3, 2022
Communication from the Examining Division
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Dec 13, 2021
Examination started
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Jul 13, 2020
(Electronic) Receipt
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Jul 13, 2020
Letter accompanying subsequently filed items
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Jul 13, 2020
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(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Jun 29, 2020
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Jun 29, 2020
Letter accompanying subsequently filed items
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Mar 2, 2020
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European search opinion
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Jan 27, 2020
European search report
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Jan 27, 2020
Information on Search Strategy
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Jan 7, 2020
Notification of forthcoming publication
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Dec 9, 2019
(Electronic) Receipt
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Dec 9, 2019
Letter accompanying subsequently filed items
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Dec 9, 2019
Letter concerning search matters
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Nov 25, 2019
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Information on Search Strategy
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Nov 25, 2019
Partial European search report
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Nov 25, 2019
Sep 18, 2019
Communication to designated inventor
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Aug 7, 2019
Letter concerning the priority
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Aug 7, 2019
Priority document
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Jul 26, 2019
Abstract
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Jul 26, 2019
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Claims
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Jul 26, 2019
Description
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Jul 26, 2019
Designation of inventor
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Jul 26, 2019
Drawings
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Jul 26, 2019
Request for grant of a European patent
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