Patent No. EP3697715 (titled "A Carriage And A Sliding Support Apparatus For A Stairlift") was filed by Extrema on Oct 16, 2018. The application was issued on Dec 7, 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 |
|---|---|---|
| TK HOME SOLUTIONS | Sep 7, 2023 | PAUSTIAN & PARTNER PATENTANWALTE 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 21, 2025
Jan 21, 2025
Jan 7, 2025
Jan 7, 2025
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Aug 9, 2024
Aug 9, 2024
Aug 9, 2024
Aug 9, 2024
Aug 9, 2024
Aug 9, 2024
Aug 2, 2024
Jul 10, 2024
Jul 10, 2024
Jul 3, 2024
Jun 28, 2024
Jun 28, 2024
Jun 28, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Feb 28, 2024
Feb 23, 2024
Feb 23, 2024
Feb 23, 2024
Feb 23, 2024
Feb 23, 2024
Feb 23, 2024
Feb 23, 2024
Oct 20, 2023
Oct 20, 2023
Oct 11, 2023
Oct 11, 2023
Oct 11, 2023
Oct 11, 2023
Sep 25, 2023
Sep 20, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Dec 20, 2022
Nov 10, 2022
Oct 4, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Oct 25, 2021
Dec 10, 2020
Dec 10, 2020
Dec 10, 2020
Dec 10, 2020
Dec 10, 2020
Dec 10, 2020
Dec 10, 2020
Jul 29, 2020
Jun 12, 2020
Jun 9, 2020
May 28, 2020
May 14, 2020
May 14, 2020
Feb 28, 2020
May 20, 2019
Apr 25, 2019
Apr 25, 2019
Feb 22, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Nov 23, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018