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The patent EP3592579 was granted to Brink Towing Systems on May 7, 2025. The application was filed on Mar 6, 2017 under application number EP17708798A. 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 |
|---|---|---|---|
| WESTFALIA AUTOMOTIVE | Apr 6, 2023 | PATENTANWALTE BREGENZER UND REULE PARTNERSCHAFTSGESELLSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP3115233 |
| INTERNATIONAL-SEARCH-REPORT | JP2004306776 |
| INTERNATIONAL-SEARCH-REPORT | US5094469 |
| OPPOSITION | DE102008032093 |
| OPPOSITION | DE102015106489 |
| OPPOSITION | EP3115233 |
| OPPOSITION | JP2004306776 |
| OPPOSITION | JP5768739B |
| OPPOSITION | US5094469 |
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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Apr 10, 2025
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Mar 28, 2025
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Refund of fees
Appeal
Mar 4, 2025
Refund of fees
Appeal
Feb 28, 2025
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(Electronic) Receipt
Appeal
Feb 11, 2025
(Electronic) Receipt
Appeal
Feb 11, 2025
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Withdrawal of an appeal
Appeal
Feb 11, 2025
Withdrawal of an appeal
Appeal
Feb 10, 2025
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Feb 7, 2025
(Electronic) Receipt
Appeal
Feb 7, 2025
Feb 7, 2025
Notice of appeal
Appeal
Feb 4, 2025
(Electronic) Receipt
Appeal
Feb 4, 2025
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Notice of appeal
Appeal
Dec 9, 2024
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Search/Exam
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Decision to grant a European patent
Search/Exam
May 30, 2022
(Electronic) Receipt
Search/Exam
May 30, 2022
Filing of the translations of the claims
Search/Exam
May 30, 2022
French translation of claims
Search/Exam
May 30, 2022
German translation of the claims
Search/Exam
Feb 9, 2022
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Intention to grant (signatures)
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Feb 9, 2022
Text intended for grant (clean copy)
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Feb 9, 2022
Nov 26, 2021
(Electronic) Receipt
Search/Exam
Nov 26, 2021
Amended claims with annotations
Search/Exam
Nov 26, 2021
Amended description with annotations
Search/Exam
Nov 26, 2021
Claims
Search/Exam
Nov 26, 2021
Description
Search/Exam
Nov 26, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 26, 2021
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Intention to grant (signatures)
Search/Exam
Sep 8, 2021
Text intended for grant (clean copy)
Search/Exam
Sep 8, 2021
Jul 13, 2021
Jun 28, 2021
Annex to the communication
Search/Exam
Jun 28, 2021
Communication from the Examining Division
Search/Exam
Feb 9, 2021
(Electronic) Receipt
Search/Exam
Feb 9, 2021
Amended claims with annotations
Search/Exam
Feb 9, 2021
Citation for the examination procedure
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Feb 9, 2021
Claims
Search/Exam
Feb 9, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 9, 2021
Nov 4, 2020
Annex to the communication
Search/Exam
Nov 4, 2020
Communication from the Examining Division
Search/Exam
Oct 29, 2020
Examination started
Search/Exam
Mar 19, 2020
(Electronic) Receipt
Search/Exam
Mar 19, 2020
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Amended claims with annotations
Search/Exam
Mar 19, 2020
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Amended description with annotations
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Mar 19, 2020
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Search/Exam
Mar 19, 2020
Letter accompanying subsequently filed items
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Dec 18, 2019
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Communication to designated inventor
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Communication to designated inventor
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Sep 23, 2019
(Electronic) Receipt
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Sep 23, 2019
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Request for entry into the European phase
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Jul 17, 2019
Information on entry into European phase
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Sep 13, 2018
Copy of the international search report
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Sep 13, 2018
Published international application - A1
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Nov 7, 2017
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Mar 6, 2017
(Electronic) Receipt
PCTRO
Mar 6, 2017
Abstract
PCTRO
Mar 6, 2017
Claims
PCTRO
Mar 6, 2017
Description
PCTRO
Mar 6, 2017
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Drawings
PCTRO
Mar 6, 2017