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The patent EP3508445 was granted to Otis Elevator on Jul 12, 2023. The application was filed on Jan 4, 2019 under application number EP19150380A. 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 |
|---|---|---|---|
| KONE | Feb 23, 2024 | GLUCK KRITZENBERGER PATENTANWALTE PARTGMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP3409629 |
| EXAMINATION | WO2009109471 |
| OPPOSITION | CN102602762 |
| OPPOSITION | CN102616617 |
| OPPOSITION | CN206476611U |
| OPPOSITION | JP5026067B |
| OPPOSITION | US2011067958 |
| OPPOSITION | WO03066497 |
| OPPOSITION | WO2006048497 |
| SEARCH | US2011067958 |
| SEARCH | US2017355554 |
| SEARCH | WO03066497 |
| SEARCH | WO2006048497 |
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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Means of redress
OPPO
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Annex
Search/Exam
Jul 17, 2024
Submission concerning representation
Search/Exam
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Decision to grant a European patent
Search/Exam
Jun 5, 2023
(Electronic) Receipt
Search/Exam
Jun 5, 2023
Filing of the translations of the claims
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Jun 5, 2023
French translation of claims
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Jun 5, 2023
German translation of the claims
Search/Exam
Jun 5, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
Search/Exam
Jan 27, 2023
Text intended for grant (clean copy)
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Jan 27, 2023
Oct 4, 2021
(Electronic) Receipt
Search/Exam
Oct 4, 2021
Amended claims with annotations
Search/Exam
Oct 4, 2021
Amended description with annotations
Search/Exam
Oct 4, 2021
Claims
Search/Exam
Oct 4, 2021
Description
Search/Exam
Oct 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 4, 2021
Jul 29, 2021
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(Electronic) Receipt
Search/Exam
Jul 23, 2021
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Annex to the communication
Search/Exam
Mar 23, 2021
Communication from the Examining Division
Search/Exam
Dec 21, 2020
Examination started
Search/Exam
Jan 10, 2020
(Electronic) Receipt
Search/Exam
Jan 10, 2020
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Amended claims with annotations
Search/Exam
Jan 10, 2020
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Amended description with annotations
Search/Exam
Jan 10, 2020
Amendments received before examination
Search/Exam
Jan 10, 2020
Letter concerning fees and payments
Search/Exam
Jul 15, 2019
Jun 13, 2019
Notification of forthcoming publication
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Jun 6, 2019
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European search opinion
Search/Exam
Jun 6, 2019
European search report
Search/Exam
Jun 6, 2019
Information on Search Strategy
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May 23, 2019
Search started
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Feb 27, 2019
Communication to designated inventor
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Jan 25, 2019
Jan 18, 2019
Jan 4, 2019
Abstract
Search/Exam
Jan 4, 2019
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Claims
Search/Exam
Jan 4, 2019
Description
Search/Exam
Jan 4, 2019
Designation of inventor
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Jan 4, 2019
Drawings
Search/Exam
Jan 4, 2019
Request for grant of a European patent
Search/Exam