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The patent EP3705663 was granted to Liebherr Mischtechnik on Apr 16, 2025. The application was filed on Mar 4, 2020 under application number EP20160939A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| SCHWING | May 24, 2023 | SCHNEIDERS & BEHRENDT BOCHUM | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102018109057 |
| DESCRIPTION | DE102018109088 |
| DESCRIPTION | DE102018109098 |
| DESCRIPTION | DE19503895 |
| DESCRIPTION | EP0686224 |
| DESCRIPTION | EP0715673 |
| DESCRIPTION | EP1337727 |
| DESCRIPTION | EP2813643 |
| DESCRIPTION | WO2013007039 |
| DESCRIPTION | WO2013007121 |
| DESCRIPTION | WO2015101088 |
| DESCRIPTION | WO2015109975 |
| DESCRIPTION | WO2015109976 |
| DESCRIPTION | WO2017174714 |
| EXAMINATION | DE102016125145 |
| OPPOSITION | DE10060077 |
| OPPOSITION | DE10101570 |
| OPPOSITION | DE102009054160 |
| OPPOSITION | DE102016106406 |
| OPPOSITION | DE102016122392 |
| OPPOSITION | EP1537282 |
| OPPOSITION | WO2015197708 |
| OPPOSITION | WO2018115248 |
| SEARCH | DE102006007623 |
| SEARCH | DE102016125145 |
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.
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Description
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Authorisation
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Decision to grant a European patent
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(Electronic) Receipt
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Jul 14, 2022
English translation of the claims
Search/Exam
Jul 14, 2022
French translation of claims
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Jul 14, 2022
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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May 13, 2022
Text intended for grant (clean copy)
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(Electronic) Receipt
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Jan 24, 2022
Amended claims with annotations
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Jan 24, 2022
Amended claims with annotations
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Jan 24, 2022
Claims
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Claims
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Jan 24, 2022
Letter accompanying subsequently filed items
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Jan 24, 2022
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Annex to the communication
Search/Exam
Jul 15, 2021
Communication from the Examining Division
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Jul 7, 2021
Examination started
Search/Exam
Mar 9, 2021
(Electronic) Receipt
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Mar 9, 2021
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Amended claims with annotations
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Mar 9, 2021
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Amended description with annotations
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Mar 9, 2021
Amendments received before examination
Search/Exam
Mar 9, 2021
Letter accompanying subsequently filed items
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Sep 14, 2020
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Notification of forthcoming publication
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European search opinion
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Jul 6, 2020
European search report
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Jul 6, 2020
Information on Search Strategy
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Jun 24, 2020
Search started
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Apr 28, 2020
Communication to designated inventor
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Apr 28, 2020
Communication to designated inventor
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Mar 17, 2020
Letter concerning the priority
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Mar 17, 2020
Priority document
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Mar 4, 2020
Abstract
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Mar 4, 2020
Mar 4, 2020
Claims
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Mar 4, 2020
Description
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Mar 4, 2020
Designation of inventor
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Mar 4, 2020
Drawings
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Mar 4, 2020
Priority search results
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Mar 4, 2020
Request for grant of a European patent
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