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The patent EP3172159 was granted to Thyssenkrupp on Jun 11, 2025. The application was filed on Jul 23, 2015 under application number EP15739626A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Jul 27, 2022 | DEHNS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0968953 |
| INTERNATIONAL-SEARCH-REPORT | US2012090922 |
| OPPOSITION | US2001002636 |
| OPPOSITION | US2012090922 |
| OPPOSITION | US2013245832 |
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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OPPO
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Sep 30, 2021
Decision to grant a European patent
Search/Exam
Sep 16, 2021
(Electronic) Receipt
Search/Exam
Sep 16, 2021
English translation of the claims
Search/Exam
Sep 16, 2021
Filing of the translations of the claims
Search/Exam
Sep 16, 2021
French translation of claims
Search/Exam
Jul 28, 2021
Jul 12, 2021
(Electronic) Receipt
Search/Exam
Jul 12, 2021
Annexes in respect of a client data request
Search/Exam
Jul 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 12, 2021
Jul 6, 2021
Jul 6, 2021
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Intention to grant (signatures)
Search/Exam
Jul 6, 2021
Text intended for grant (clean copy)
Search/Exam
Jul 6, 2021
Jun 13, 2021
Examination started
Search/Exam
Mar 29, 2021
Document concerning representation
Search/Exam
Oct 15, 2020
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Apr 21, 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
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
Sep 4, 2017
(Electronic) Receipt
Search/Exam
Sep 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 4, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
May 10, 2017
May 4, 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
Mar 3, 2017
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Communication to designated inventor
Search/Exam
Mar 1, 2017
Communication to designated inventor
Search/Exam
Feb 7, 2017
Dec 15, 2016
(Electronic) Receipt
Search/Exam
Dec 15, 2016
Priority search results
Search/Exam
Dec 15, 2016
Request for entry into the European phase
Search/Exam
Dec 2, 2016
Information on entry into European phase
Search/Exam
Feb 16, 2016
Jan 28, 2016
Copy of the international search report
Search/Exam
Jan 28, 2016
Copy of the international search report
Search/Exam
Jan 28, 2016
Published international application - A1
Search/Exam
Dec 1, 2015
Dec 1, 2015
Dec 1, 2015
Aug 27, 2015
Jul 23, 2015
(Electronic) Receipt
PCTRO
Jul 23, 2015
Abstract
PCTRO
Jul 23, 2015
Claims
PCTRO
Jul 23, 2015
Description
PCTRO
Jul 23, 2015
Drawings
PCTRO