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The patent EP3204322 was granted to Thyssenkrupp on Jun 7, 2023. The application was filed on Oct 9, 2015 under application number EP15775471A. 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 | Mar 6, 2024 | SCHMITT NILSON SCHRAUD WAIBEL WOHLFROM PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1565396 |
| DESCRIPTION | US7540356 |
| EXAMINATION | JP5224737B |
| EXAMINATION | US2012118672 |
| EXAMINATION | WO2017005864 |
| INTERNATIONAL-SEARCH-REPORT | EP1565396 |
| INTERNATIONAL-SEARCH-REPORT | EP2238064 |
| INTERNATIONAL-SEARCH-REPORT | EP2695838 |
| INTERNATIONAL-SEARCH-REPORT | US2010065378 |
| OPPOSITION | EP2695838 |
| OPPOSITION | JP2009012883 |
| OPPOSITION | US2010065378 |
| OPPOSITION | US2010213012 |
| OPPOSITION | US2012118672 |
| OPPOSITION | US6273217 |
| OPPOSITION | WO2004048243 |
| OPPOSITION | WO2009070143 |
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
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Oct 31, 2025
Oct 26, 2025
(Electronic) Receipt
Appeal
Oct 26, 2025
Claims
Appeal
Oct 26, 2025
Oct 26, 2025
Sep 4, 2025
Sep 4, 2025
Aug 14, 2025
Aug 14, 2025
Aug 8, 2025
(Electronic) Receipt
Appeal
Aug 8, 2025
Notice of appeal
Appeal
Aug 8, 2025
Notice of appeal
Appeal
Jun 27, 2025
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Means of redress
OPPO
Jun 27, 2025
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Jun 20, 2023
May 24, 2023
May 17, 2023
(Electronic) Receipt
Search/Exam
May 17, 2023
Annexes in respect of a client data request
Search/Exam
May 17, 2023
Letter accompanying subsequently filed items
Search/Exam
May 17, 2023
May 11, 2023
Decision to grant a European patent
Search/Exam
Apr 27, 2023
(Electronic) Receipt
Search/Exam
Apr 27, 2023
Filing of the translations of the claims
Search/Exam
Apr 27, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Intention to grant (signatures)
Search/Exam
Feb 8, 2023
Text intended for grant (clean copy)
Search/Exam
Feb 8, 2023
Jan 12, 2023
(Electronic) Receipt
Search/Exam
Jan 12, 2023
Amended claims with annotations
Search/Exam
Jan 12, 2023
Claims
Search/Exam
Jan 12, 2023
English translation of the claims
Search/Exam
Jan 12, 2023
French translation of claims
Search/Exam
Jan 12, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 12, 2023
Oct 6, 2022
Oct 6, 2022
Oct 6, 2022
Oct 6, 2022
Intention to grant (signatures)
Search/Exam
Oct 6, 2022
Text intended for grant (clean copy)
Search/Exam
Oct 6, 2022
Apr 6, 2022
Document concerning representation
Search/Exam
Feb 25, 2022
Feb 10, 2022
(Electronic) Receipt
Search/Exam
Feb 10, 2022
Enquiry as to the processing of the file
Search/Exam
Feb 10, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 11, 2021
(Electronic) Receipt
Search/Exam
Aug 11, 2021
Amended claims with annotations
Search/Exam
Aug 11, 2021
Amended description with annotations
Search/Exam
Aug 11, 2021
Claims
Search/Exam
Aug 11, 2021
Description
Search/Exam
Aug 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 11, 2021
Mar 15, 2021
Mar 9, 2021
(Electronic) Receipt
Search/Exam
Mar 9, 2021
Annexes in respect of a client data request
Search/Exam
Mar 9, 2021
Annexes in respect of a client data request
Search/Exam
Mar 9, 2021
General authorisation
Search/Exam
Mar 9, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 9, 2021
Mar 1, 2021
Annex to the communication
Search/Exam
Mar 1, 2021
Communication from the Examining Division
Search/Exam
Dec 4, 2020
Reply to a complaint
Search/Exam
Nov 25, 2020
Complaint
Search/Exam
Sep 11, 2020
(Electronic) Receipt
Search/Exam
Sep 11, 2020
Amended claims with annotations
Search/Exam
Sep 11, 2020
Claims
Search/Exam
Sep 11, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 11, 2020
Sep 4, 2020
Aug 28, 2020
Jun 19, 2020
Jun 16, 2020
May 6, 2020
Annex to the communication
Search/Exam
May 6, 2020
Communication from the Examining Division
Search/Exam
Apr 20, 2020
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 5, 2020
Feb 28, 2020
Oct 2, 2019
(Electronic) Receipt
Search/Exam
Oct 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2019
Jun 3, 2019
Annex to the communication
Search/Exam
Jun 3, 2019
Communication from the Examining Division
Search/Exam
Sep 7, 2018
(Electronic) Receipt
Search/Exam
Sep 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 7, 2018
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 31, 2018
Annex to the communication
Search/Exam
May 31, 2018
Communication from the Examining Division
Search/Exam
May 18, 2018
Examination started
Search/Exam
Nov 13, 2017
(Electronic) Receipt
Search/Exam
Nov 13, 2017
Nov 13, 2017
Amended claims with annotations
Search/Exam
Nov 13, 2017
Amendments received before examination
Search/Exam
Nov 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 19, 2017
May 17, 2017
May 15, 2017
Communication to designated inventor
Search/Exam
May 15, 2017
Communication to designated inventor
Search/Exam
May 10, 2017
Apr 25, 2017
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
Feb 8, 2017
Information regarding early processing
Search/Exam
Jan 26, 2017
(Electronic) Receipt
Search/Exam
Jan 26, 2017
Priority search results
Search/Exam
Jan 26, 2017
Request for entry into the European phase
Search/Exam
May 4, 2016
Apr 14, 2016
Copy of the international search report
Search/Exam
Apr 14, 2016
Copy of the international search report
Search/Exam
Apr 14, 2016
Published international application - A1
Search/Exam
Dec 9, 2015
Dec 9, 2015
Dec 9, 2015
Oct 15, 2015
Oct 9, 2015
(Electronic) Receipt
PCTRO
Oct 9, 2015
Abstract
PCTRO
Oct 9, 2015
Claims
PCTRO
Oct 9, 2015
Description
PCTRO
Oct 9, 2015
Oct 9, 2015
Drawings
PCTRO
Oct 9, 2015