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The patent EP3680204 was granted to Kone on Nov 16, 2022. The application was filed on Jan 11, 2019 under application number EP19151365A. 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 |
|---|---|---|---|
| TK ELEVATOR INNOVATION AND OPERATIONS | Aug 14, 2023 | PAUSTIAN & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
| OTIS ELEVATOR | Aug 10, 2023 | WINTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP3694800 |
| OPPOSITION | JP2005178968 |
| OPPOSITION | KR20130087254 |
| OPPOSITION | US2017349398 |
| OPPOSITION | WO2007011359 |
| OPPOSITION | WO2010133665 |
| OPPOSITION | WO2015004790 |
| OPPOSITION | WO2015004793 |
| SEARCH | JP2005178968 |
| SEARCH | WO2007011359 |
| SEARCH | WO2015004790 |
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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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Oct 12, 2022
(Electronic) Receipt
Search/Exam
Oct 12, 2022
Filing of the translations of the claims
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Oct 12, 2022
French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Feb 7, 2022
Amended claims with annotations
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Amended claims with annotations
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Claims
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Claims
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Letter accompanying subsequently filed items
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Annex to the communication
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Oct 20, 2021
Communication from the Examining Division
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Oct 11, 2021
Examination started
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
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Amended description with annotations
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Jan 14, 2021
Amendments received before examination
Search/Exam
Jan 14, 2021
Letter accompanying subsequently filed items
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Jul 20, 2020
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Notification of forthcoming publication
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Jul 25, 2019
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European search opinion
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European search report
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Jul 25, 2019
Information on Search Strategy
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Search started
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Mar 6, 2019
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Jan 11, 2019
Abstract
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Claims
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Jan 11, 2019
Description
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Jan 11, 2019
Designation of inventor
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Jan 11, 2019
Drawings
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Jan 11, 2019
Request for grant of a European patent
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