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The patent EP3275830 was granted to Otis Elevator on Sep 2, 2020. The application was filed on Jul 31, 2017 under application number EP17184135A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 | May 28, 2021 | K & H BONAPAT PATENTANWALTE KOCH VON BEHREN & PARTNER MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN105731236 |
| OPPOSITION | US2015317517 |
| SEARCH | CN105731236 |
| SEARCH | US2005088520 |
| SEARCH | US2015317517 |
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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Feb 11, 2025
Refund of fees
Appeal
Feb 7, 2025
Feb 7, 2025
Jan 29, 2025
Jan 29, 2025
Jan 24, 2025
Jan 23, 2025
(Electronic) Receipt
Appeal
Jan 23, 2025
Jan 23, 2025
Withdrawal of an appeal
Appeal
Jan 9, 2025
Jan 9, 2025
Jul 30, 2024
Jul 17, 2024
Jul 17, 2024
Jul 1, 2024
Jun 28, 2024
Jun 28, 2024
Jun 24, 2024
Jun 24, 2024
Jun 13, 2024
Jun 13, 2024
Jun 10, 2024
Jun 10, 2024
Oct 23, 2023
Aug 30, 2023
Aug 24, 2023
(Electronic) Receipt
Appeal
Aug 24, 2023
Aug 24, 2023
Reply to appeal
Appeal
Apr 26, 2023
Apr 20, 2023
(Electronic) Receipt
Appeal
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 20, 2023
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Apr 20, 2023
Feb 23, 2023
Feb 23, 2023
Feb 16, 2023
(Electronic) Receipt
Appeal
Feb 16, 2023
Feb 16, 2023
Notice of appeal
Appeal
Jan 4, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
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Means of redress
OPPO
Jan 2, 2023
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May 28, 2021
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May 28, 2021
Sep 14, 2020
Aug 6, 2020
Decision to grant a European patent
Search/Exam
Jul 6, 2020
(Electronic) Receipt
Search/Exam
Jul 6, 2020
Filing of the translations of the claims
Search/Exam
Jul 6, 2020
French translation of claims
Search/Exam
Jul 6, 2020
German translation of the claims
Search/Exam
Jul 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 28, 2020
Apr 28, 2020
Apr 28, 2020
Intention to grant (signatures)
Search/Exam
Apr 28, 2020
Text intended for grant (clean copy)
Search/Exam
Apr 28, 2020
Feb 19, 2020
Examination started
Search/Exam
Oct 12, 2018
(Electronic) Receipt
Search/Exam
Oct 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 12, 2018
Aug 16, 2018
Jul 31, 2018
(Electronic) Receipt
Search/Exam
Jul 31, 2018
Jul 31, 2018
Amended claims with annotations
Search/Exam
Jul 31, 2018
Jul 31, 2018
Amended description with annotations
Search/Exam
Jul 31, 2018
Amendments received before examination
Search/Exam
Jul 31, 2018
Letter accompanying subsequently filed items
Search/Exam
May 28, 2018
May 17, 2018
Feb 5, 2018
Jan 4, 2018
Notification of forthcoming publication
Search/Exam
Dec 15, 2017
Dec 15, 2017
European search opinion
Search/Exam
Dec 15, 2017
European search report
Search/Exam
Dec 15, 2017
Information on Search Strategy
Search/Exam
Dec 13, 2017
Communication to designated inventor
Search/Exam
Dec 5, 2017
Search started
Search/Exam
Dec 1, 2017
(Electronic) Receipt
Search/Exam
Dec 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 1, 2017
Letter concerning the inventor
Search/Exam
Oct 30, 2017
Oct 23, 2017
Letter which had not been notified
Search/Exam
Oct 12, 2017
Oct 9, 2017
Sep 22, 2017
Communication to designated inventor
Search/Exam
Sep 22, 2017
Communication to designated inventor
Search/Exam
Sep 22, 2017
Communication to designated inventor
Search/Exam
Sep 22, 2017
Communication to designated inventor
Search/Exam
Sep 22, 2017
Communication to designated inventor
Search/Exam
Sep 22, 2017
Communication to designated inventor
Search/Exam
Sep 22, 2017
Communication to designated inventor
Search/Exam
Sep 22, 2017
Communication to designated inventor
Search/Exam
Sep 22, 2017
Communication to designated inventor
Search/Exam
Aug 4, 2017
Aug 1, 2017
Jul 31, 2017
Abstract
Search/Exam
Jul 31, 2017
Jul 31, 2017
Claims
Search/Exam
Jul 31, 2017
Description
Search/Exam
Jul 31, 2017
Designation of inventor
Search/Exam
Jul 31, 2017
Drawings
Search/Exam
Jul 31, 2017
Request for grant of a European patent
Search/Exam