Patent No. EP3280857 (titled "Motor Vehicle Door Lock") was filed by Kiekert on Apr 6, 2016. The application was issued on May 4, 2022.

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 |
|---|---|---|
| MAGNA CLOSURES | Feb 6, 2023 | GRUNECKER PATENT |
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
Dec 18, 2025
Sep 15, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 8, 2025
Sep 5, 2025
Sep 5, 2025
Sep 5, 2025
Sep 5, 2025
Sep 1, 2025
Sep 1, 2025
Sep 1, 2025
Aug 22, 2025
Aug 22, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 13, 2025
Aug 13, 2025
Aug 13, 2025
Jul 31, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
May 16, 2025
May 12, 2025
May 12, 2025
May 12, 2025
Nov 25, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Oct 28, 2024
Oct 23, 2024
Oct 23, 2024
Oct 23, 2024
Oct 10, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Sep 23, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Aug 2, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jun 11, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Jun 6, 2024
Apr 17, 2024
Apr 16, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Dec 14, 2023
Dec 11, 2023
Dec 11, 2023
Dec 11, 2023
Dec 11, 2023
Jun 22, 2023
Jun 19, 2023
Jun 19, 2023
Jun 19, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 3, 2023
Mar 2, 2023
Feb 28, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 10, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
May 17, 2022
Apr 7, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Aug 27, 2021
Aug 27, 2021
Aug 27, 2021
Aug 25, 2021
Aug 25, 2021
Aug 25, 2021
Apr 23, 2021
Apr 23, 2021
Apr 9, 2021
Sep 19, 2018
Sep 19, 2018
Sep 17, 2018
Sep 17, 2018
Jul 30, 2018
Jan 17, 2018
Dec 8, 2017
Nov 13, 2017
Oct 24, 2017
Sep 27, 2017
Sep 27, 2017
Aug 18, 2017
Oct 31, 2016
Oct 13, 2016
Oct 13, 2016
Jul 1, 2016
Jul 1, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
May 3, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016