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The patent EP3350109 was granted to Otis Elevator on Jan 31, 2024. The application was filed on Sep 14, 2016 under application number EP16774574A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| KONE | Jan 15, 2021 | 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 |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0228725 |
| INTERNATIONAL-SEARCH-REPORT | US2013171463 |
| INTERNATIONAL-SEARCH-REPORT | WO2015126359 |
| OPPOSITION | EP0228725 |
| OPPOSITION | EP2628698 |
| OPPOSITION | WO2014072093 |
| OPPOSITION | WO2015126359 |
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.
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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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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Letter accompanying subsequently filed items
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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Request for entry into the European phase
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Letter which had not been notified
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Published international application - A1
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PCTISA
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PCTISA
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PCTISA
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Annex
PCTISA
Sep 26, 2016
Claims
PCTISA
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Description
PCTISA
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PCTISA
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