Patent No. EP3275830 (titled "System And Method For Monitoring Handrail Entrance Of Passenger Conveyor") was filed by Otis Elevator on Jul 31, 2017. The application was issued on Sep 2, 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 |
|---|---|---|
| KONE | May 28, 2021 | K & H BONAPAT PATENTANWALTE KOCH VON BEHREN & 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
Feb 11, 2025
Feb 7, 2025
Feb 7, 2025
Jan 29, 2025
Jan 29, 2025
Jan 24, 2025
Jan 23, 2025
Jan 23, 2025
Jan 23, 2025
Jan 9, 2025
Jan 9, 2025
Jul 30, 2024
Jul 17, 2024
Jul 17, 2024
Jul 1, 2024
Jun 28, 2024
Jun 28, 2024
Jun 24, 2024
Jun 24, 2024
Jun 13, 2024
Jun 13, 2024
Jun 10, 2024
Jun 10, 2024
Oct 23, 2023
Aug 30, 2023
Aug 24, 2023
Aug 24, 2023
Aug 24, 2023
Apr 26, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Feb 23, 2023
Feb 23, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Jan 4, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Dec 5, 2022
Dec 1, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 28, 2022
Nov 23, 2022
Nov 23, 2022
Nov 23, 2022
Nov 23, 2022
Nov 23, 2022
Oct 26, 2022
Oct 21, 2022
Oct 21, 2022
Oct 21, 2022
Oct 6, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 27, 2022
Sep 23, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Apr 19, 2022
Apr 19, 2022
Mar 14, 2022
Mar 9, 2022
Mar 9, 2022
Mar 9, 2022
Mar 9, 2022
Mar 9, 2022
Mar 9, 2022
Nov 16, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Nov 2, 2021
Jun 22, 2021
Jun 22, 2021
Jun 7, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
Sep 14, 2020
Aug 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Apr 28, 2020
Apr 28, 2020
Apr 28, 2020
Apr 28, 2020
Apr 28, 2020
Feb 19, 2020
Oct 12, 2018
Oct 12, 2018
Oct 12, 2018
Aug 16, 2018
Jul 31, 2018
Jul 31, 2018
Jul 31, 2018
Jul 31, 2018
Jul 31, 2018
Jul 31, 2018
Jul 31, 2018
May 28, 2018
May 17, 2018
Feb 5, 2018
Jan 4, 2018
Dec 15, 2017
Dec 15, 2017
Dec 15, 2017
Dec 15, 2017
Dec 13, 2017
Dec 5, 2017
Dec 1, 2017
Dec 1, 2017
Dec 1, 2017
Oct 30, 2017
Oct 23, 2017
Oct 12, 2017
Oct 9, 2017
Sep 22, 2017
Sep 22, 2017
Sep 22, 2017
Sep 22, 2017
Sep 22, 2017
Sep 22, 2017
Sep 22, 2017
Sep 22, 2017
Sep 22, 2017
Aug 4, 2017
Aug 1, 2017
Jul 31, 2017
Jul 31, 2017
Jul 31, 2017
Jul 31, 2017
Jul 31, 2017
Jul 31, 2017
Jul 31, 2017