Patent No. EP3282081 (titled "Attached Frame Unit For Mounting To A Weather Side Of A Window Or A Door") was filed by MHZ Hachtel on Jul 12, 2017. The application was issued on Dec 9, 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 |
|---|---|---|
| HEROAL JOHANN HENKENJOHANN | Sep 9, 2021 | COHAUSZ & FLORACK |
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 22, 2025
Dec 22, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Sep 15, 2025
Jul 25, 2025
Jul 24, 2025
Jul 14, 2025
Jul 14, 2025
Jul 9, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
May 2, 2025
May 2, 2025
May 2, 2025
May 2, 2025
May 2, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Mar 19, 2025
Mar 17, 2025
Mar 17, 2025
Mar 17, 2025
Mar 11, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Feb 21, 2025
Feb 20, 2025
Feb 20, 2025
Feb 20, 2025
Feb 10, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Jan 23, 2025
Jan 23, 2025
Nov 27, 2024
Nov 27, 2024
Nov 22, 2024
Nov 22, 2024
Nov 20, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Sep 20, 2024
Jul 10, 2024
Jul 1, 2024
Jul 1, 2024
Jul 1, 2024
Jul 1, 2024
Jul 1, 2024
Jul 1, 2024
Jul 1, 2024
Jul 1, 2024
Jul 1, 2024
Jul 1, 2024
Jul 1, 2024
Mar 6, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Dec 6, 2023
Dec 6, 2023
Nov 29, 2023
Nov 29, 2023
Nov 29, 2023
Oct 19, 2023
Oct 18, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Sep 19, 2023
Sep 18, 2023
Sep 13, 2023
Sep 13, 2023
Sep 13, 2023
Jul 20, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 17, 2023
Jul 13, 2023
Jul 7, 2023
Dec 8, 2022
Dec 8, 2022
Sep 19, 2022
Sep 16, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Feb 4, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Oct 5, 2021
Sep 24, 2021
Sep 24, 2021
Sep 23, 2021
Sep 23, 2021
Sep 20, 2021
Sep 15, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Dec 21, 2020
Nov 12, 2020
Oct 28, 2020
Oct 28, 2020
Oct 28, 2020
Oct 28, 2020
Aug 5, 2020
Aug 5, 2020
Aug 5, 2020
Aug 5, 2020
Aug 5, 2020
Aug 5, 2020
Jul 21, 2020
Jan 29, 2020
Jan 16, 2020
Jan 16, 2020
Jan 16, 2020
Mar 23, 2018
Mar 23, 2018
Mar 19, 2018
Mar 19, 2018
Mar 13, 2018
Mar 2, 2018
Mar 2, 2018
Mar 2, 2018
Mar 2, 2018
Mar 2, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 19, 2018
Jan 17, 2018
Nov 2, 2017
Nov 2, 2017
Nov 2, 2017
Nov 2, 2017
Oct 17, 2017
Sep 25, 2017
Sep 25, 2017
Aug 4, 2017
Aug 2, 2017
Aug 2, 2017
Jul 28, 2017
Jul 28, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017