The weekly litigation news digest is live. Subscribe now
The patent EP3406471 was granted to Kgel Trailer on Apr 6, 2022. The application was filed on May 22, 2018 under application number EP18173521A. 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 |
|---|---|---|---|
| SCHMITZ CARGOBULL | Dec 22, 2022 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102013211131 |
| OPPOSITION | DE102016010623 |
| OPPOSITION | DE202006010594U |
| OPPOSITION | DE202008008651U |
| OPPOSITION | DE20303884U |
| OPPOSITION | EP0459879 |
| OPPOSITION | EP2218602 |
| SEARCH | DE102013211131 |
| SEARCH | DE202006010594U |
| SEARCH | DE202008008651U |
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
Get instant alerts for new documents
Nov 26, 2025
Nov 21, 2025
Nov 20, 2025
(Electronic) Receipt
Appeal
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Claims
Appeal
Nov 20, 2025
Claims
Appeal
Nov 20, 2025
Nov 20, 2025
Sep 25, 2025
Sep 25, 2025
Sep 18, 2025
(Electronic) Receipt
Appeal
Sep 18, 2025
Sep 18, 2025
Notice of appeal
Appeal
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Means of redress
Search/Exam
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
May 19, 2025
May 16, 2025
May 16, 2025
May 16, 2025
May 16, 2025
May 9, 2025
May 7, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 2, 2025
Apr 29, 2025
Apr 29, 2025
Apr 29, 2025
Apr 29, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 23, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 14, 2025
Apr 14, 2025
Apr 14, 2025
Apr 14, 2025
Apr 14, 2025
Apr 14, 2025
Mar 27, 2025
Mar 20, 2025
Mar 20, 2025
Mar 20, 2025
Mar 19, 2025
Mar 17, 2025
Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Mar 11, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Feb 27, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 13, 2025
Feb 13, 2025
Feb 13, 2025
Jan 21, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 13, 2025
Jan 9, 2025
Jan 8, 2025
Jan 8, 2025
Jan 8, 2025
Jan 8, 2025
Jan 8, 2025
Jan 8, 2025
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
May 31, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 10, 2024
May 10, 2024
Apr 30, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 18, 2024
Apr 18, 2024
Apr 18, 2024
Nov 13, 2023
Jun 7, 2023
May 31, 2023
May 31, 2023
May 31, 2023
Mar 24, 2023
Mar 20, 2023
Mar 20, 2023
Jan 24, 2023
Jan 24, 2023
Jan 20, 2023
Jan 4, 2023
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Apr 21, 2022
Mar 11, 2022
Decision to grant a European patent
Search/Exam
Feb 23, 2022
(Electronic) Receipt
Search/Exam
Feb 23, 2022
English translation of the claims
Search/Exam
Feb 23, 2022
Filing of the translations of the claims
Search/Exam
Feb 23, 2022
French translation of claims
Search/Exam
Feb 23, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 19, 2021
Oct 19, 2021
Oct 19, 2021
Intention to grant (signatures)
Search/Exam
Oct 19, 2021
Text intended for grant (clean copy)
Search/Exam
Oct 19, 2021
Jun 14, 2021
(Electronic) Receipt
Search/Exam
Jun 14, 2021
Amended claims with annotations
Search/Exam
Jun 14, 2021
Amended description with annotations
Search/Exam
Jun 14, 2021
Claims
Search/Exam
Jun 14, 2021
Description
Search/Exam
Jun 14, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 14, 2021
Apr 20, 2021
Annex to the communication
Search/Exam
Apr 20, 2021
Apr 20, 2021
Feb 3, 2021
(Electronic) Receipt
Search/Exam
Feb 3, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 3, 2021
Oct 16, 2020
Annex to the communication
Search/Exam
Oct 16, 2020
Communication from the Examining Division
Search/Exam
Jun 26, 2020
(Electronic) Receipt
Search/Exam
Jun 26, 2020
Amended claims with annotations
Search/Exam
Jun 26, 2020
Amended description with annotations
Search/Exam
Jun 26, 2020
Claims
Search/Exam
Jun 26, 2020
Description
Search/Exam
Jun 26, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2020
May 8, 2020
Apr 28, 2020
(Electronic) Receipt
Search/Exam
Apr 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 28, 2020
Dec 20, 2019
Annex to the communication
Search/Exam
Dec 20, 2019
Communication from the Examining Division
Search/Exam
Dec 13, 2019
Examination started
Search/Exam
May 15, 2019
(Electronic) Receipt
Search/Exam
May 15, 2019
Letter accompanying subsequently filed items
Search/Exam
May 15, 2019
Reply to Written Opinion prepared by the EPO
Search/Exam
Apr 17, 2019
Refund of fees
Search/Exam
Apr 16, 2019
Apr 8, 2019
(Electronic) Receipt
Search/Exam
Apr 8, 2019
Annexes in respect of a client data request
Search/Exam
Apr 8, 2019
Annexes in respect of a client data request
Search/Exam
Apr 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2019
Dec 3, 2018
Oct 31, 2018
Notification of forthcoming publication
Search/Exam
Aug 28, 2018
Aug 28, 2018
European search opinion
Search/Exam
Aug 28, 2018
European search report
Search/Exam
Aug 28, 2018
Information on Search Strategy
Search/Exam
Jul 13, 2018
Communication to designated inventor
Search/Exam
Jul 13, 2018
Communication to designated inventor
Search/Exam
Jul 13, 2018
Communication to designated inventor
Search/Exam
Jul 13, 2018
Communication to designated inventor
Search/Exam
Jul 13, 2018
Communication to designated inventor
Search/Exam
Jul 10, 2018
Search started
Search/Exam
Jun 4, 2018
Letter concerning the priority
Search/Exam
Jun 4, 2018
Priority document
Search/Exam
May 22, 2018
Abstract
Search/Exam
May 22, 2018
May 22, 2018
Claims
Search/Exam
May 22, 2018
Description
Search/Exam
May 22, 2018
Designation of inventor
Search/Exam
May 22, 2018
Drawings
Search/Exam
May 22, 2018
Priority search results
Search/Exam
May 22, 2018
Request for grant of a European patent
Search/Exam