Patent No. EP3253700 (titled "Elevator Control Systems And Methods Of Making And Using Same") was filed by Thyssenkrupp on Feb 1, 2016. The application was issued on Jun 17, 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 |
|---|---|---|
| OTIS ELEVATOR | Feb 8, 2021 | WINTER |
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 12, 2025
Nov 20, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Oct 16, 2025
Oct 8, 2025
Oct 8, 2025
Oct 8, 2025
Oct 8, 2025
Aug 29, 2025
Aug 26, 2025
Aug 26, 2025
Aug 26, 2025
Jul 11, 2025
Jul 11, 2025
Jul 11, 2025
Jul 11, 2025
Jul 11, 2025
Mar 20, 2025
Mar 20, 2025
Mar 20, 2025
Mar 4, 2025
Mar 4, 2025
Mar 4, 2025
Mar 4, 2025
Feb 14, 2025
Feb 14, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Jan 29, 2025
Jan 24, 2025
Jan 24, 2025
Jan 24, 2025
Jan 20, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Dec 5, 2024
Dec 5, 2024
Nov 15, 2024
Nov 15, 2024
Nov 12, 2024
Nov 7, 2024
Nov 7, 2024
Nov 7, 2024
Jul 9, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jun 24, 2024
Jun 24, 2024
Feb 26, 2024
Feb 26, 2024
Feb 21, 2024
Feb 5, 2024
Nov 15, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Sep 21, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
May 15, 2023
May 2, 2023
May 2, 2023
May 2, 2023
May 2, 2023
May 2, 2023
May 2, 2023
May 2, 2023
Mar 13, 2023
Mar 13, 2023
Mar 2, 2023
Mar 2, 2023
Mar 2, 2023
Dec 28, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Nov 8, 2022
Nov 2, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Sep 12, 2022
Sep 6, 2022
Sep 2, 2022
Sep 2, 2022
Sep 2, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Jun 21, 2022
Jun 21, 2022
Apr 6, 2022
Jan 11, 2022
Jan 3, 2022
Jan 3, 2022
Jan 3, 2022
Jan 3, 2022
Jan 3, 2022
Jan 3, 2022
Nov 22, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Jul 16, 2021
Jul 6, 2021
Jul 6, 2021
Jul 6, 2021
Jul 6, 2021
Jul 6, 2021
May 7, 2021
May 7, 2021
May 7, 2021
Apr 28, 2021
Apr 28, 2021
Apr 28, 2021
Apr 28, 2021
Apr 28, 2021
Apr 28, 2021
Mar 29, 2021
Feb 24, 2021
Feb 24, 2021
Feb 12, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Oct 15, 2020
Oct 8, 2020
Jul 8, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
May 18, 2020
May 14, 2020
Apr 22, 2020
Apr 9, 2020
Apr 7, 2020
Apr 7, 2020
Apr 3, 2020
Apr 3, 2020
Apr 3, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 6, 2020
Mar 6, 2020
Mar 6, 2020
Mar 6, 2020
Mar 6, 2020
Mar 5, 2020
Feb 28, 2020
Oct 17, 2019
Oct 17, 2019
Oct 17, 2019
Oct 17, 2019
Oct 17, 2019
Jun 19, 2019
Jun 19, 2019
May 23, 2019
Jul 3, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
May 2, 2018
May 2, 2018
May 2, 2018
May 2, 2018
May 2, 2018
May 2, 2018
May 2, 2018
Apr 11, 2018
Apr 6, 2018
Nov 15, 2017
Nov 2, 2017
Oct 26, 2017
Oct 20, 2017
Oct 2, 2017
Aug 28, 2017
Aug 28, 2017
Aug 28, 2017
Aug 23, 2017
Jun 20, 2017
Jun 20, 2017
Jun 19, 2017
Apr 11, 2017
Mar 22, 2017
Mar 22, 2017
Mar 22, 2017
Aug 30, 2016
Aug 11, 2016
May 6, 2016
May 6, 2016
May 6, 2016
Feb 9, 2016
Feb 1, 2016
Feb 1, 2016
Feb 1, 2016
Feb 1, 2016
Feb 1, 2016
Feb 1, 2016
Feb 1, 2016