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The patent EP3436384 was granted to Thyssenkrupp on Feb 23, 2022. The application was filed on Mar 28, 2017 under application number EP17713939A. 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| OTIS ELEVATOR | Nov 23, 2022 | SCHMITT NILSON SCHRAUD WAIBEL WOHLFROM PATENTANWALTE PARTNERSCHAFT MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102014105004 |
| DESCRIPTION | EP2041015 |
| DESCRIPTION | JP2004250186 |
| DESCRIPTION | WO2004043842 |
| EXAMINATION | JPH05132257 |
| INTERNATIONAL-SEARCH-REPORT | EP0212147 |
| INTERNATIONAL-SEARCH-REPORT | EP0499254 |
| INTERNATIONAL-SEARCH-REPORT | JP2004250186 |
| INTERNATIONAL-SEARCH-REPORT | JPH05201642 |
| INTERNATIONAL-SEARCH-REPORT | WO2008136692 |
| OPPOSITION | JP2015174746 |
| OPPOSITION | JPH08133630 |
| OPPOSITION | US5141082 |
| OPPOSITION | US5663538 |
| OPPOSITION | US7357226 |
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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Apr 6, 2022
Document concerning representation
Search/Exam
Mar 9, 2022
Jan 27, 2022
Decision to grant a European patent
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Jan 17, 2022
Jan 12, 2022
(Electronic) Receipt
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Jan 12, 2022
Annexes in respect of a client data request
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Jan 12, 2022
English translation of the claims
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Jan 12, 2022
Filing of the translations of the claims
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Jan 12, 2022
French translation of claims
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Jan 12, 2022
Letter accompanying subsequently filed items
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Jan 12, 2022
Nov 8, 2021
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Nov 8, 2021
Intention to grant (signatures)
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Nov 8, 2021
Text intended for grant (clean copy)
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Nov 8, 2021
Apr 30, 2021
(Electronic) Receipt
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Apr 30, 2021
Amended claims with annotations
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Apr 30, 2021
Claims
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Apr 30, 2021
Claims
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Apr 30, 2021
Letter accompanying subsequently filed items
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Apr 30, 2021
Mar 12, 2021
Mar 9, 2021
(Electronic) Receipt
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Mar 9, 2021
Letter accompanying subsequently filed items
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Mar 9, 2021
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Feb 16, 2021
(Electronic) Receipt
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Feb 16, 2021
Annexes in respect of a client data request
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Feb 16, 2021
Annexes in respect of a client data request
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Feb 16, 2021
General authorisation
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Feb 16, 2021
Letter accompanying subsequently filed items
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Feb 16, 2021
Oct 30, 2020
Annex to the communication
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Oct 30, 2020
Communication from the Examining Division
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Oct 15, 2020
Oct 8, 2020
Oct 2, 2020
Examination started
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Jun 19, 2020
Jun 16, 2020
Apr 23, 2020
Apr 7, 2020
Letter accompanying subsequently filed items
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Apr 7, 2020
Apr 5, 2020
(Electronic) Receipt
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Apr 5, 2020
Letter accompanying subsequently filed items
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Apr 3, 2020
Letter accompanying subsequently filed items
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Mar 5, 2020
Feb 28, 2020
May 6, 2019
(Electronic) Receipt
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May 6, 2019
May 6, 2019
Amended claims with annotations
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May 6, 2019
May 6, 2019
Amended description with annotations
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May 6, 2019
Amendments received before examination
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May 6, 2019
Letter accompanying subsequently filed items
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Jan 9, 2019
Nov 9, 2018
Nov 7, 2018
Communication to designated inventor
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Nov 7, 2018
Communication to designated inventor
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Nov 7, 2018
Communication to designated inventor
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Nov 7, 2018
Communication to designated inventor
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Oct 16, 2018
Sep 18, 2018
Sep 18, 2018
Notification of the recording of a change
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Sep 7, 2018
(Electronic) Receipt
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Sep 7, 2018
Priority search results
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Sep 7, 2018
Request for entry into the European phase
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Aug 10, 2018
Information on entry into European phase
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Oct 24, 2017
Oct 5, 2017
Copy of the international search report
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Oct 5, 2017
Copy of the international search report
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Oct 5, 2017
Published international application - A1
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May 19, 2017
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Apr 4, 2017
Mar 28, 2017
(Electronic) Receipt
PCTRO
Mar 28, 2017
Abstract
PCTRO
Mar 28, 2017
Claims
PCTRO
Mar 28, 2017
Description
PCTRO
Mar 28, 2017
Mar 28, 2017
Drawings
PCTRO
Mar 28, 2017