Patent No. EP3515850 (titled "Transportation Device Comprising A Safety Device For Limiting Deceleration") was filed by Thyssenkrupp Elevator on Sep 14, 2017. The application was issued on Dec 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 |
|---|---|---|
| OTIS ELEVATOR | Sep 2, 2021 | DEHNS |
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
Sep 13, 2023
Sep 12, 2023
Jul 17, 2023
Jul 17, 2023
Jul 7, 2023
Jul 6, 2023
Jul 6, 2023
Jul 6, 2023
May 31, 2023
May 31, 2023
May 9, 2023
May 9, 2023
May 9, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Dec 13, 2022
Oct 26, 2022
Oct 26, 2022
Oct 19, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Sep 29, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Jun 15, 2022
Jun 15, 2022
Jun 15, 2022
May 24, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
Feb 1, 2022
Jan 26, 2022
Jan 26, 2022
Jan 26, 2022
Jan 26, 2022
Dec 16, 2021
Dec 16, 2021
Dec 16, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Sep 16, 2021
Sep 16, 2021
Sep 8, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Dec 14, 2020
Nov 5, 2020
Oct 21, 2020
Oct 21, 2020
Oct 21, 2020
Oct 21, 2020
Oct 15, 2020
Oct 8, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Jun 19, 2020
Jun 16, 2020
Apr 24, 2020
Apr 24, 2020
Apr 24, 2020
Apr 24, 2020
Apr 24, 2020
Apr 23, 2020
Apr 7, 2020
Apr 7, 2020
Apr 5, 2020
Apr 5, 2020
Apr 3, 2020
Mar 18, 2020
Mar 18, 2020
Mar 12, 2020
Mar 5, 2020
Feb 28, 2020
Jul 3, 2019
May 8, 2019
May 6, 2019
May 6, 2019
May 6, 2019
Apr 12, 2019
Apr 2, 2019
Apr 2, 2019
Apr 2, 2019
Feb 1, 2019
Aug 29, 2018
Aug 29, 2018
Apr 26, 2018
Mar 29, 2018
Mar 29, 2018
Mar 29, 2018
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 11, 2017
Dec 11, 2017
Dec 11, 2017
Nov 30, 2017
Nov 21, 2017
Oct 17, 2017
Oct 17, 2017
Oct 17, 2017
Oct 13, 2017
Sep 14, 2017
Sep 14, 2017
Sep 14, 2017
Sep 14, 2017
Sep 14, 2017
Sep 14, 2017
Sep 14, 2017