Trailer Coupling With A Coupling Arm

Patent No. EP3509877 (titled "Trailer Coupling With A Coupling Arm") was filed by Westfalia Automotive on Sep 8, 2017. The application was issued on Oct 28, 2020.

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
BRINK TOWING SYSTEMS	Jul 23, 2021	VALEA

Dossier Documents

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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Aug 21, 2025
Decision of the Board of Appeal
Aug 21, 2025
F3032 Notification(s) of the decision
Aug 21, 2025
F3032 Notification(s) of the decision
Jun 11, 2025
F3013 Oral Proceedings: Forwarding minutes
Jun 11, 2025
F3013 Oral Proceedings: Forwarding minutes
Jun 11, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Apr 22, 2025
F3018 Oral proceedings: Confirmation interpreters
Apr 22, 2025
F3018 Oral proceedings: Confirmation interpreters
Feb 28, 2025
F3345 Forwarding of submissions to parties
Feb 26, 2025
F3345 Forwarding of submissions to parties
Feb 25, 2025
(Electronic) Receipt
Feb 25, 2025
Letter accompanying subsequently filed items
Feb 25, 2025
Request for interpreters during oral proceedings
Feb 21, 2025
(Electronic) Receipt
Feb 21, 2025
(Electronic) Receipt
Feb 21, 2025
Letter accompanying subsequently filed items
Feb 21, 2025
Letter accompanying subsequently filed items
Feb 21, 2025
Oral proceedings: reply to date proposed
Feb 21, 2025
Request for interpreters during oral proceedings
Feb 13, 2025
F3011.2 Oral Proceedings: Summons VICO
Feb 13, 2025
F3011.2 Oral Proceedings: Summons VICO
Feb 13, 2025
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Nov 26, 2024
Composition of the board (T)
Nov 4, 2024
F3345 Forwarding of submissions to parties
Oct 30, 2024
(Electronic) Receipt
Oct 30, 2024
Letter accompanying subsequently filed items
Oct 30, 2024
Letter relating to Appeal Procedure
Oct 9, 2024
F3345 Forwarding of submissions to parties
Oct 7, 2024
(Electronic) Receipt
Oct 7, 2024
Amended claims with annotations
Oct 7, 2024
Amended claims with annotations
Oct 7, 2024
Amended claims with annotations
Oct 7, 2024
Amended claims with annotations
Oct 7, 2024
Amended claims with annotations
Oct 7, 2024
Auxiliary request during appeals procedure - 01
Oct 7, 2024
Auxiliary request during appeals procedure - 02
Oct 7, 2024
Auxiliary request during appeals procedure - 03
Oct 7, 2024
Auxiliary request during appeals procedure - 04
Oct 7, 2024
Auxiliary request during appeals procedure - 05
Oct 7, 2024
Letter accompanying subsequently filed items
Oct 7, 2024
Reply to appeal
Jun 18, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 12, 2024
(Electronic) Receipt
Jun 12, 2024
Letter accompanying subsequently filed items
Jun 12, 2024
Statement of grounds of appeal
Apr 18, 2024
F3204 Communication of the file number to the parties
Apr 18, 2024
F3204 Communication of the file number to the parties
Apr 12, 2024
(Electronic) Receipt
Apr 12, 2024
Letter accompanying subsequently filed items
Apr 12, 2024
Notice of appeal
Feb 13, 2024
Annex to the communication - opposition
Feb 13, 2024
Brief communication - Opposition proceedings
Feb 13, 2024
Brief communication - Opposition proceedings
Feb 13, 2024
Decision of the Opposition Division and instruction
Feb 13, 2024
Decision rejecting the opposition
Feb 13, 2024
Decision rejecting the opposition
Feb 13, 2024
Grounds for the decision (Annex) - opposition
Feb 13, 2024
Means of redress
Feb 13, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 13, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 13, 2024
Provision of a copy of the minutes - opposition procedure
Feb 13, 2024
Provision of a copy of the minutes - opposition procedure
Jan 25, 2024
Information about the result of oral proceedings
Jan 18, 2024
Brief communication - Opposition proceedings
Jan 17, 2024
(Electronic) Receipt
Jan 17, 2024
Letter accompanying subsequently filed items
Jan 17, 2024
Oral proceedings: reply to date proposed
Dec 1, 2023
Brief communication - Opposition proceedings
Nov 28, 2023
Brief communication - Opposition proceedings
Nov 28, 2023
Brief communication - Opposition proceedings
Nov 24, 2023
(Electronic) Receipt
Nov 24, 2023
Letter accompanying subsequently filed items
Nov 24, 2023
Written submission in preparation to/during oral proceedings
Nov 22, 2023
(Electronic) Receipt
Nov 22, 2023
(Electronic) Receipt
Nov 22, 2023
(Electronic) Receipt
Nov 22, 2023
Auxiliary request during Opposition procedure
Nov 22, 2023
Auxiliary request during Opposition procedure
Nov 22, 2023
Auxiliary request during Opposition procedure
Nov 22, 2023
Auxiliary request during Opposition procedure
Nov 22, 2023
Auxiliary request during Opposition procedure
Nov 22, 2023
Auxiliary request during Opposition procedure - 01
Nov 22, 2023
Auxiliary request during Opposition procedure - 02
Nov 22, 2023
Auxiliary request during Opposition procedure - 03
Nov 22, 2023
Auxiliary request during Opposition procedure - 04
Nov 22, 2023
Auxiliary request during Opposition procedure - 05
Nov 22, 2023
Letter accompanying subsequently filed items
Nov 22, 2023
Letter accompanying subsequently filed items
Nov 22, 2023
Letter accompanying subsequently filed items
Nov 22, 2023
Oral proceedings: reply to date proposed
Nov 22, 2023
Request for interpreters during oral proceedings
Nov 22, 2023
Written submission in preparation to/during oral proceedings
Jun 9, 2023
Advice of delivery
Jun 9, 2023
Annex to the communication - opposition
Jun 9, 2023
Information concerning oral proceedings
Jun 9, 2023
Scanned annex to a communication - opposition procedure
Jun 9, 2023
Summons to attend oral proceedings
Jun 9, 2023
Summons to attend oral proceedings
Jun 9, 2023
Transmittal of decision / summons - opposition
Jun 9, 2023
Transmittal of decision / summons - opposition
Jan 5, 2022
Brief communication - Opposition proceedings
Dec 21, 2021
(Electronic) Receipt
Dec 21, 2021
Auxiliary request during Opposition procedure
Dec 21, 2021
Auxiliary request during Opposition procedure
Dec 21, 2021
Auxiliary request during Opposition procedure
Dec 21, 2021
Auxiliary request during Opposition procedure
Dec 21, 2021
Auxiliary request during Opposition procedure
Dec 21, 2021
Auxiliary request during Opposition procedure
Dec 21, 2021
Auxiliary request during Opposition procedure
Dec 21, 2021
Auxiliary request during Opposition procedure - 01
Dec 21, 2021
Auxiliary request during Opposition procedure - 02
Dec 21, 2021
Auxiliary request during Opposition procedure - 03
Dec 21, 2021
Auxiliary request during Opposition procedure - 04
Dec 21, 2021
Auxiliary request during Opposition procedure - 05
Dec 21, 2021
Auxiliary request during Opposition procedure - 06
Dec 21, 2021
Auxiliary request during Opposition procedure - 07
Dec 21, 2021
Letter accompanying subsequently filed items
Dec 21, 2021
Reply of the patent proprietor to the notice(s) of opposition
Aug 12, 2021
Communication of a notice of opposition and request to file observations
Aug 12, 2021
Notice of further oppositions to opponent(s)
Jul 29, 2021
Communication of a notice of opposition - first information to patent proprietor
Jul 23, 2021
(Electronic) Receipt
Jul 23, 2021
Citation in opposition procedure - 001
Jul 23, 2021
Citation in opposition procedure - 002
Jul 23, 2021
Citation in opposition procedure - 003
Jul 23, 2021
Citation in opposition procedure - 004
Jul 23, 2021
Citation in opposition procedure - 005
Jul 23, 2021
Citation in opposition procedure - 006
Jul 23, 2021
Consolidated list of cited opposition documents
Jul 23, 2021
International publication (Pamphlet)
Jul 23, 2021
Notice of opposition
Jul 23, 2021
Notice of opposition
Nov 9, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 1, 2020
Decision to grant a European patent
Sep 18, 2020
(Electronic) Receipt
Sep 18, 2020
English translation of the claims
Sep 18, 2020
Filing of the translations of the claims
Sep 18, 2020
French translation of claims
Sep 18, 2020
Letter accompanying subsequently filed items
Jun 26, 2020
Bibliographic data of the European patent application
Jun 26, 2020
Communication about intention to grant a European patent
Jun 26, 2020
Intention to grant (signatures)
Jun 26, 2020
Text intended for grant (clean copy)
Jun 26, 2020
Text intended for grant (version for approval)
Apr 23, 2020
Examination started
Oct 16, 2019
(Electronic) Receipt
Oct 16, 2019
Amended claims filed after receipt of (European) search report
Oct 16, 2019
Amended description filed after receipt of (European) search report
Oct 16, 2019
Amendments received before examination
Oct 16, 2019
Letter accompanying subsequently filed items
Jun 19, 2019
Notification on forthcoming publication of bibliographic data
May 24, 2019
(Electronic) Receipt
May 24, 2019
Invitation to indicate correct address of inventor
May 24, 2019
Letter accompanying subsequently filed items
May 24, 2019
Letter concerning the inventor
May 16, 2019
Letter which had not been notified
Apr 16, 2019
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Apr 12, 2019
Communication to designated inventor
Apr 12, 2019
Communication to designated inventor
Apr 12, 2019
Communication to designated inventor
Apr 12, 2019
Communication to designated inventor
Apr 12, 2019
Communication to designated inventor
Mar 27, 2019
Copy of the international preliminary report on patentability
Mar 20, 2019
(Electronic) Receipt
Mar 20, 2019
Amended claims filed after receipt of (European) search report
Mar 20, 2019
Amendments received before examination
Mar 20, 2019
Priority search results
Mar 20, 2019
Request for entry into the European phase
Jan 18, 2019
Information on entry into European phase
Apr 4, 2018
Priority document (electronically transmitted)
Mar 15, 2018
Copy of the international search report
Mar 15, 2018
Copy of the international search report
Mar 15, 2018
Published international application - A1
Dec 4, 2017
Written opinion of the ISA, boxes No. I to VIII
Dec 4, 2017
Written opinion of the ISA, cover sheet
Dec 4, 2017
Written opinion of the ISA, supplemental box
Sep 26, 2017
Notification of the international application number and of the international filing date
Sep 14, 2017
Incoming letter related to PCT RO
Sep 8, 2017
(Electronic) Receipt
Sep 8, 2017
Abstract
Sep 8, 2017
Claims
Sep 8, 2017
Description
Sep 8, 2017
Document concerning fees and payments
Sep 8, 2017
Drawings
Sep 8, 2017
Electronic request for grant of an International application

EP3509877

WESTFALIA AUTOMOTIVE

Application Number: EP17765415A
Filing Date: Sep 8, 2017
Status: Opposition Rejected; Aug 29, 2025
Publication Date: Oct 28, 2020
External Links: Slate, EP3509877B1, Google Patents

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Trailer Coupling With A Coupling Arm

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EP3509877