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The patent EP3610173 was granted to Kettenwulf Betriebs on Feb 12, 2025. The application was filed on Apr 9, 2018 under application number EP18719077A. 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 |
|---|---|---|---|
| AUMUND FORDERTECHNIK | Nov 12, 2025 | MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | CN2546688Y |
| EXAMINATION | DE202012104764U |
| INTERNATIONAL-SEARCH-REPORT | DE102007009821 |
| INTERNATIONAL-SEARCH-REPORT | DE19918703 |
| INTERNATIONAL-SEARCH-REPORT | DE202014105286U |
| INTERNATIONAL-SEARCH-REPORT | EP0886082 |
| INTERNATIONAL-SEARCH-REPORT | JP2006064049 |
| INTERNATIONAL-SEARCH-REPORT | JP2008164043 |
| INTERNATIONAL-SEARCH-REPORT | JP2016075391 |
| INTERNATIONAL-SEARCH-REPORT | US5322483 |
| INTERNATIONAL-SEARCH-REPORT | US7325391 |
| INTERNATIONAL-SEARCH-REPORT | WO2005043005 |
| OPPOSITION | CN202646538U |
| OPPOSITION | CN203115099U |
| OPPOSITION | CN204493582U |
| OPPOSITION | CN2146605Y |
| OPPOSITION | CN2546688Y |
| OPPOSITION | CN2644777Y |
| OPPOSITION | DE102004011572 |
| OPPOSITION | DE102007009821 |
| OPPOSITION | DE202012104764U |
| OPPOSITION | EP2339207 |
| OPPOSITION | JP2006064049 |
| OPPOSITION | JP2008164043 |
| OPPOSITION | WO2005043005 |
| OTHER | CN202646538U |
| OTHER | CN203115099U |
| OTHER | CN204493582U |
| OTHER | CN2146605Y |
| OTHER | CN2546688Y |
| OTHER | CN2644777Y |
| OTHER | DE102004011572 |
| OTHER | DE102007009821 |
| OTHER | DE102017107870 |
| OTHER | DE202012104764U |
| OTHER | EP2339207 |
| OTHER | JP2006064049 |
| OTHER | JP2008164043 |
| OTHER | WO2005043005 |
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 24, 2025
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Annex
OPPO
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Feb 25, 2025
Jan 16, 2025
Decision to grant a European patent
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Dec 23, 2024
Dec 23, 2024
Dec 20, 2024
(Electronic) Receipt
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Dec 20, 2024
English translation of the claims
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Dec 20, 2024
Filing of the translations of the claims
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Dec 20, 2024
French translation of claims
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Dec 20, 2024
Letter accompanying subsequently filed items
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Dec 18, 2024
Dec 12, 2024
(Electronic) Receipt
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Dec 12, 2024
Dec 12, 2024
Citation filed by a third party
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Dec 12, 2024
Dec 12, 2024
Letter accompanying subsequently filed items
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Dec 12, 2024
Observations by third parties
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Dec 12, 2024
Nov 27, 2024
(Electronic) Receipt
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Nov 27, 2024
Citation filed by a third party
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Nov 27, 2024
Letter accompanying subsequently filed items
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Nov 27, 2024
Observations by third parties
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Oct 21, 2024
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Intention to grant (signatures)
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Oct 21, 2024
Text intended for grant (clean copy)
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Oct 21, 2024
Jul 10, 2024
(Electronic) Receipt
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Jul 10, 2024
Amended claims with annotations
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Jul 10, 2024
Amended claims with annotations
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Jul 10, 2024
Amended claims with annotations
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Jul 10, 2024
Amended claims with annotations
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Jul 10, 2024
Amended description with annotations
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Jul 10, 2024
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Jul 10, 2024
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Jul 10, 2024
Claims
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Jul 10, 2024
Claims
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Jul 10, 2024
Claims
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Jul 10, 2024
Claims
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Jul 10, 2024
Description
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Jul 10, 2024
Description
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Jul 10, 2024
Description
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Jul 10, 2024
Description
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Jul 10, 2024
Letter accompanying subsequently filed items
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Jul 10, 2024
Mar 13, 2024
Annex to the communication
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Mar 13, 2024
Communication from the Examining Division
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Feb 22, 2024
(Electronic) Receipt
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Feb 22, 2024
Amended claims with annotations
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Feb 22, 2024
Amended description with annotations
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Feb 22, 2024
Claims
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Feb 22, 2024
Description
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Feb 22, 2024
Letter accompanying subsequently filed items
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Feb 22, 2024
Feb 20, 2024
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Feb 14, 2024
(Electronic) Receipt
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Feb 14, 2024
Citation filed by a third party
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Feb 14, 2024
Non-patent literature filed by a third party
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Feb 14, 2024
Observations by third parties
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Jan 31, 2024
Annex to the communication
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Jan 31, 2024
Communication from the Examining Division
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Oct 25, 2023
(Electronic) Receipt
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Oct 25, 2023
Amended claims with annotations
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Oct 25, 2023
Amended claims with annotations
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Oct 25, 2023
Claims
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Oct 25, 2023
Claims
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Oct 25, 2023
Letter accompanying subsequently filed items
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Oct 25, 2023
Aug 31, 2023
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Aug 10, 2023
(Electronic) Receipt
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Aug 10, 2023
Letter accompanying subsequently filed items
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Aug 10, 2023
Observations by third parties
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Jul 5, 2023
Annex to the communication
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Jul 5, 2023
Communication from the Examining Division
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Jun 20, 2023
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Jun 7, 2023
(Electronic) Receipt
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Jun 7, 2023
Citation filed by a third party
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Jun 7, 2023
Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Jun 7, 2023
Letter accompanying subsequently filed items
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Jun 7, 2023
Observations by third parties
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Jun 7, 2023
Patent document filed by a Third party
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Jun 7, 2023
Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Apr 18, 2023
(Electronic) Receipt
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Apr 18, 2023
Amended claims with annotations
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Apr 18, 2023
Amended description with annotations
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Apr 18, 2023
Claims
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Apr 18, 2023
Description
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Apr 18, 2023
Letter accompanying subsequently filed items
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Apr 18, 2023
Jan 25, 2023
Annex to the communication
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Jan 25, 2023
Communication from the Examining Division
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Nov 22, 2022
Nov 14, 2022
Nov 9, 2022
(Electronic) Receipt
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Nov 9, 2022
Enquiry as to the processing of the file
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Nov 9, 2022
Letter accompanying subsequently filed items
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Nov 8, 2022
Non-patent literature filed by a third party
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Nov 8, 2022
Observations by third parties
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Oct 25, 2022
Deficiencies in an enquiry
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Oct 11, 2022
(Electronic) Receipt
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Oct 11, 2022
Letter accompanying subsequently filed items
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Oct 11, 2022
Sep 21, 2022
Sep 6, 2022
Non-patent literature filed by a third party
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Sep 6, 2022
Observations by third parties
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Sep 6, 2022
Patent document filed by a Third party
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Jun 23, 2021
(Electronic) Receipt
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Jun 23, 2021
Letter accompanying subsequently filed items
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Jun 23, 2021
Jun 21, 2021
Annex to the communication
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Jun 21, 2021
Communication from the Examining Division
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Jun 15, 2021
Examination started
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Aug 26, 2020
(Electronic) Receipt
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Aug 26, 2020
Letter accompanying subsequently filed items
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Aug 26, 2020
Priority search results
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Aug 26, 2020
Priority search results
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Aug 26, 2020
Jul 9, 2020
May 8, 2020
(Electronic) Receipt
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May 8, 2020
May 8, 2020
Amended claims with annotations
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May 8, 2020
May 8, 2020
Amended description with annotations
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May 8, 2020
Amendments received before examination
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May 8, 2020
Citation for the examination procedure
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May 8, 2020
Letter accompanying subsequently filed items
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Mar 19, 2020
Mar 13, 2020
Annexes in respect of a client data request
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Mar 13, 2020
Jan 22, 2020
Nov 20, 2019
Nov 18, 2019
Communication to designated inventor
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Nov 18, 2019
Communication to designated inventor
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Oct 29, 2019
Sep 20, 2019
Information regarding early processing
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Sep 10, 2019
(Electronic) Receipt
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Sep 10, 2019
Sep 10, 2019
Request for entry into the European phase
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Sep 4, 2019
Sep 4, 2019
Notification of the recording of a change
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Aug 23, 2019
Information on entry into European phase
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Aug 22, 2019
(Electronic) Receipt
PCTRO
Aug 22, 2019
Aug 22, 2019
Nov 7, 2018
Oct 18, 2018
Copy of the international search report
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Oct 18, 2018
Copy of the international search report
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Oct 18, 2018
Published international application - A1
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Jul 31, 2018
Jul 31, 2018
Jul 31, 2018
May 8, 2018
Apr 20, 2018
Apr 9, 2018
(Electronic) Receipt
PCTRO
Apr 9, 2018
Abstract
PCTRO
Apr 9, 2018
Claims
PCTRO
Apr 9, 2018
Description
PCTRO
Apr 9, 2018
Apr 9, 2018
Drawings
PCTRO
Apr 9, 2018