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The patent EP3725950 was granted to Bauer Maschinen on Sep 14, 2022. The application was filed on Apr 18, 2019 under application number EP19170133A. 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 |
|---|---|---|---|
| LIEBHERR WERK NENZING | Jun 7, 2023 | FRICK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1950353 |
| OPPOSITION | DE20310240U |
| OPPOSITION | EP0533558 |
| OPPOSITION | EP0937675 |
| OPPOSITION | EP1950353 |
| OPPOSITION | EP3299523 |
| OPPOSITION | EP3401444 |
| OPPOSITION | JP2007327334 |
| OPPOSITION | JP2015017464 |
| SEARCH | EP2952634 |
| SEARCH | JP2001064993 |
| SEARCH | JP2007327334 |
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 10, 2025
Dec 10, 2025
Nov 27, 2025
(Electronic) Receipt
Appeal
Nov 27, 2025
Notice of appeal
Appeal
Nov 27, 2025
Notice of appeal
Appeal
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Means of redress
OPPO
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Description
OPPO
Jul 11, 2025
Description
OPPO
Jul 11, 2025
Description
OPPO
Jul 11, 2025
Description
OPPO
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Aug 19, 2022
Decision to grant a European patent
Search/Exam
Aug 9, 2022
(Electronic) Receipt
Search/Exam
Aug 9, 2022
English translation of the claims
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Aug 9, 2022
French translation of claims
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Aug 9, 2022
Letter accompanying subsequently filed items
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Apr 12, 2022
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Intention to grant (signatures)
Search/Exam
Apr 12, 2022
Text intended for grant (clean copy)
Search/Exam
Apr 12, 2022
Mar 29, 2022
Examination started
Search/Exam
Apr 7, 2021
(Electronic) Receipt
Search/Exam
Apr 7, 2021
Apr 7, 2021
Amended claims with annotations
Search/Exam
Apr 7, 2021
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Amended description with annotations
Search/Exam
Apr 7, 2021
Amended description with annotations
Search/Exam
Apr 7, 2021
Amendments received before examination
Search/Exam
Apr 7, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 3, 2021
(Electronic) Receipt
Search/Exam
Mar 3, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 26, 2020
Sep 23, 2020
Notification of forthcoming publication
Search/Exam
Mar 26, 2020
(Electronic) Receipt
Search/Exam
Mar 26, 2020
Drawings
Search/Exam
Mar 26, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 30, 2019
Oct 30, 2019
European search opinion
Search/Exam
Oct 30, 2019
European search report
Search/Exam
Oct 30, 2019
Information on Search Strategy
Search/Exam
Oct 11, 2019
Search started
Search/Exam
Jul 8, 2019
Communication to designated inventor
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Jul 8, 2019
Communication to designated inventor
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Communication to designated inventor
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Jul 8, 2019
Communication to designated inventor
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Apr 18, 2019
Abstract
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Apr 18, 2019
Apr 18, 2019
Claims
Search/Exam
Apr 18, 2019
Description
Search/Exam
Apr 18, 2019
Designation of inventor
Search/Exam
Apr 18, 2019
Drawings
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Apr 18, 2019
Request for grant of a European patent
Search/Exam