Patent No. EP3429448 (titled "Toilet Seat Fitting, Urinal Cover And Method For Manufacturing Same") was filed by Hamberger Industriewerke on Mar 17, 2017. The application was issued on Nov 16, 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 |
|---|---|---|
| MKW KUNSTSTOFFTECHNIK | Aug 16, 2023 | KILIAN KILIAN & PARTNER MBB |
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
Jan 26, 2026
Jan 26, 2026
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 7, 2025
Oct 7, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Jun 13, 2025
Jun 13, 2025
Jun 12, 2025
Jun 6, 2025
Jun 6, 2025
Jun 6, 2025
Jun 2, 2025
May 27, 2025
May 27, 2025
May 27, 2025
Feb 14, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Jan 2, 2025
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 10, 2024
Dec 10, 2024
Dec 10, 2024
Dec 10, 2024
Dec 10, 2024
Dec 10, 2024
Mar 21, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Jan 19, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Dec 1, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 2, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Aug 30, 2023
Aug 30, 2023
Aug 23, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Nov 29, 2022
Oct 20, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
May 9, 2022
May 9, 2022
May 9, 2022
May 6, 2022
Apr 29, 2022
Apr 22, 2022
Apr 20, 2022
Apr 20, 2022
Apr 20, 2022
Apr 20, 2022
Apr 20, 2022
Apr 20, 2022
Apr 20, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Oct 19, 2021
Oct 14, 2021
Oct 14, 2021
Aug 5, 2021
Aug 5, 2021
Aug 5, 2021
Apr 20, 2021
Apr 20, 2021
Feb 23, 2021
Feb 19, 2021
Feb 19, 2021
Feb 19, 2021
Feb 19, 2021
Feb 19, 2021
Oct 9, 2020
Oct 9, 2020
Oct 9, 2020
Sep 29, 2020
Feb 3, 2020
Sep 23, 2019
Sep 4, 2019
Sep 4, 2019
Sep 4, 2019
Sep 4, 2019
Sep 4, 2019
Sep 4, 2019
Jul 3, 2019
Jul 3, 2019
Jun 27, 2019
Jan 29, 2019
Jan 16, 2019
Jan 4, 2019
Dec 13, 2018
Dec 3, 2018
Nov 5, 2018
Oct 24, 2018
Oct 24, 2018
Oct 24, 2018
Oct 16, 2018
Oct 16, 2018
Oct 16, 2018
Oct 16, 2018
Oct 16, 2018
Oct 16, 2018
Oct 3, 2018
Oct 3, 2018
Jul 25, 2018
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Sep 21, 2017
Sep 21, 2017
Sep 21, 2017
Jun 20, 2017
Jun 20, 2017
Jun 6, 2017
Jun 6, 2017
Jun 6, 2017
Jun 2, 2017
Apr 4, 2017
Apr 4, 2017
Mar 29, 2017
Mar 17, 2017
Mar 17, 2017
Mar 17, 2017
Mar 17, 2017
Mar 17, 2017
Mar 17, 2017
Mar 17, 2017