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The patent EP3706306 was granted to Kone on Jul 16, 2025. The application was originally filed on Mar 8, 2019 under application number EP19161497A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | US2013075199 |
| OPPOSITION | US2014312881 |
| OPPOSITION | WO2009130363 |
| SEARCH | US2014312881 |
| SEARCH | US2015042249 |
| SEARCH | WO2009130363 |
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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Jun 20, 2025
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Jun 5, 2025
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Refund of fees
Appeal
Mar 17, 2025
Mar 17, 2025
Mar 14, 2025
Mar 12, 2025
(Electronic) Receipt
Appeal
Mar 12, 2025
Mar 12, 2025
Mar 12, 2025
Withdrawal of an appeal
Appeal
Feb 24, 2025
Feb 24, 2025
Feb 17, 2025
(Electronic) Receipt
Appeal
Feb 17, 2025
Notice of appeal
Appeal
Feb 17, 2025
Notice of appeal
Appeal
Dec 20, 2024
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Aug 9, 2022
Jun 30, 2022
Decision to grant a European patent
Search/Exam
Jun 15, 2022
(Electronic) Receipt
Search/Exam
Jun 15, 2022
Filing of the translations of the claims
Search/Exam
Jun 15, 2022
French translation of claims
Search/Exam
Jun 15, 2022
German translation of the claims
Search/Exam
Jun 15, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Intention to grant (signatures)
Search/Exam
Feb 25, 2022
Text intended for grant (clean copy)
Search/Exam
Feb 25, 2022
Feb 3, 2022
Examination started
Search/Exam
Apr 1, 2021
Mar 25, 2021
Mar 3, 2021
(Electronic) Receipt
Search/Exam
Mar 3, 2021
Mar 3, 2021
Amended claims with annotations
Search/Exam
Mar 3, 2021
Mar 3, 2021
Amended description with annotations
Search/Exam
Mar 3, 2021
Amendments received before examination
Search/Exam
Mar 3, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 14, 2020
Aug 12, 2020
Notification of forthcoming publication
Search/Exam
Sep 20, 2019
Sep 20, 2019
European search opinion
Search/Exam
Sep 20, 2019
European search report
Search/Exam
Sep 20, 2019
Information on Search Strategy
Search/Exam
Sep 10, 2019
Search started
Search/Exam
May 2, 2019
Communication to designated inventor
Search/Exam
May 2, 2019
Communication to designated inventor
Search/Exam
May 2, 2019
Communication to designated inventor
Search/Exam
Mar 8, 2019
Abstract
Search/Exam
Mar 8, 2019
Mar 8, 2019
Claims
Search/Exam
Mar 8, 2019
Description
Search/Exam
Mar 8, 2019
Designation of inventor
Search/Exam
Mar 8, 2019
Drawings
Search/Exam
Mar 8, 2019
Request for grant of a European patent
Search/Exam