The weekly litigation news digest is live. Subscribe now
The patent EP3253700 was granted to Thyssenkrupp on Jun 17, 2020. The application was filed on Feb 1, 2016 under application number EP16702531A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 | Opposition Status |
|---|---|---|---|
| OTIS ELEVATOR | Feb 8, 2021 | WINTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2149533 |
| INTERNATIONAL-SEARCH-REPORT | US5892190 |
| OPPOSITION | EP2149533 |
| OPPOSITION | US2008236956 |
| OPPOSITION | US2012048655 |
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
(Electronic) Receipt
Appeal
Feb 10, 2025
(Electronic) Receipt
Appeal
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Jan 29, 2025
Jan 24, 2025
(Electronic) Receipt
Appeal
Jan 24, 2025
Jan 24, 2025
Jan 20, 2025
Jan 15, 2025
(Electronic) Receipt
Appeal
Jan 15, 2025
Jan 15, 2025
Dec 5, 2024
Dec 5, 2024
Nov 15, 2024
Nov 15, 2024
Nov 12, 2024
Nov 7, 2024
(Electronic) Receipt
Appeal
Nov 7, 2024
Nov 7, 2024
Jul 9, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 3, 2024
(Electronic) Receipt
Appeal
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
(Electronic) Receipt
Appeal
Nov 9, 2023
Nov 9, 2023
Sep 21, 2023
Sep 15, 2023
(Electronic) Receipt
Appeal
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
Reply to appeal
Appeal
May 15, 2023
May 2, 2023
(Electronic) Receipt
Appeal
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
(Electronic) Receipt
Appeal
Mar 2, 2023
Mar 2, 2023
Notice of appeal
Appeal
Dec 28, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Means of redress
OPPO
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
Document concerning representation
Search/Exam
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
Document concerning representation
Search/Exam
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
(Electronic) Receipt
Search/Exam
Jul 2, 2020
Annexes in respect of a client data request
Search/Exam
Jul 2, 2020
Annexes in respect of a client data request
Search/Exam
Jul 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2020
May 18, 2020
May 14, 2020
Apr 22, 2020
Apr 9, 2020
Decision to grant a European patent
Search/Exam
Apr 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 7, 2020
Apr 3, 2020
(Electronic) Receipt
Search/Exam
Apr 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 31, 2020
(Electronic) Receipt
Search/Exam
Mar 31, 2020
French translation of claims
Search/Exam
Mar 31, 2020
German translation of the claims
Search/Exam
Mar 31, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2020
Mar 6, 2020
Mar 6, 2020
Intention to grant (signatures)
Search/Exam
Mar 6, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 6, 2020
Mar 5, 2020
Feb 28, 2020
Oct 17, 2019
(Electronic) Receipt
Search/Exam
Oct 17, 2019
Amended claims with annotations
Search/Exam
Oct 17, 2019
Claims
Search/Exam
Oct 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 17, 2019
Jun 19, 2019
Annex to the communication
Search/Exam
Jun 19, 2019
Communication from the Examining Division
Search/Exam
May 23, 2019
Examination started
Search/Exam
Jul 3, 2018
Jun 27, 2018
Annexes in respect of a client data request
Search/Exam
Jun 27, 2018
Annexes in respect of a client data request
Search/Exam
Jun 27, 2018
May 2, 2018
(Electronic) Receipt
Search/Exam
May 2, 2018
May 2, 2018
Amended claims with annotations
Search/Exam
May 2, 2018
May 2, 2018
Amended description with annotations
Search/Exam
May 2, 2018
Amendments received before examination
Search/Exam
May 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 11, 2018
Communication to designated inventor
Search/Exam
Apr 6, 2018
Letter concerning the inventor
Search/Exam
Nov 15, 2017
Nov 2, 2017
Oct 26, 2017
Oct 20, 2017
Letter which had not been notified
Search/Exam
Oct 2, 2017
Communication to designated inventor
Search/Exam
Aug 28, 2017
(Electronic) Receipt
Search/Exam
Aug 28, 2017
Priority search results
Search/Exam
Aug 28, 2017
Request for entry into the European phase
Search/Exam
Aug 23, 2017
Jun 20, 2017
Jun 20, 2017
Notification of the recording of a change
Search/Exam
Jun 19, 2017
Information on entry into European phase
Search/Exam
Apr 11, 2017
Mar 22, 2017
Annexes in respect of a client data request
Search/Exam
Mar 22, 2017
Annexes in respect of a client data request
Search/Exam
Mar 22, 2017
Aug 30, 2016
Aug 11, 2016
May 6, 2016
May 6, 2016
May 6, 2016
Feb 9, 2016
Feb 1, 2016
(Electronic) Receipt
PCTRO
Feb 1, 2016
Abstract
PCTRO
Feb 1, 2016
Claims
PCTRO
Feb 1, 2016
Description
PCTRO
Feb 1, 2016
Feb 1, 2016
Drawings
PCTRO
Feb 1, 2016