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The patent EP3728095 was granted to Inventio on Mar 16, 2022. The application was filed on Nov 27, 2018 under application number EP18804655A. 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 | Dec 15, 2022 | K & H BONAPAT PATENTANWALTE KOCH VON BEHREN & PARTNER MBB | ADMISSIBLE |
| OTIS ELEVATOR | Dec 15, 2022 | DEHNS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0356731 |
| DESCRIPTION | EP0891291 |
| DESCRIPTION | EP1276691 |
| INTERNATIONAL-SEARCH-REPORT | EP0891291 |
| INTERNATIONAL-SEARCH-REPORT | US2014360817 |
| INTERNATIONAL-SEARCH-REPORT | US4915197 |
| OPPOSITION | EP1737777 |
| OPPOSITION | JP2012121718 |
| OPPOSITION | JP2014005130 |
| OPPOSITION | KR980009078 |
| OPPOSITION | US2008210493 |
| OPPOSITION | US2016083218 |
| OPPOSITION | US2016152438 |
| OPPOSITION | US2016376122 |
| OPPOSITION | US2017096318 |
| OPPOSITION | US2017203938 |
| OPPOSITION | US2017297862 |
| OPPOSITION | US2017320702 |
| OPPOSITION | US4776432 |
| OPPOSITION | WO2017175023 |
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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Sep 4, 2025
Jul 24, 2025
Jul 24, 2025
Jul 18, 2025
(Electronic) Receipt
Appeal
Jul 18, 2025
Jul 18, 2025
Reply to appeal
Appeal
Jul 9, 2025
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(Electronic) Receipt
Appeal
Jul 3, 2025
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Reply to appeal
Appeal
Jun 3, 2025
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May 28, 2025
(Electronic) Receipt
Appeal
May 28, 2025
May 28, 2025
Reply to appeal
Appeal
Mar 18, 2025
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Mar 12, 2025
(Electronic) Receipt
Appeal
Mar 12, 2025
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Appeal
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Appeal
Jan 10, 2025
(Electronic) Receipt
Appeal
Jan 10, 2025
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Notice of appeal
Appeal
Jan 10, 2025
Notice of appeal
Appeal
Jan 10, 2025
Notice of appeal
Appeal
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Aug 9, 2022
Annexes in respect of a client data request
Search/Exam
Aug 9, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 9, 2022
Apr 6, 2022
Mar 30, 2022
Submission concerning representation
Search/Exam
Mar 29, 2022
Feb 17, 2022
Decision to grant a European patent
Search/Exam
Feb 2, 2022
(Electronic) Receipt
Search/Exam
Feb 2, 2022
English translation of the claims
Search/Exam
Feb 2, 2022
French translation of claims
Search/Exam
Feb 2, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 4, 2021
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Intention to grant (signatures)
Search/Exam
Nov 4, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 4, 2021
Jul 7, 2021
Examination started
Search/Exam
Sep 30, 2020
Jul 28, 2020
Jul 24, 2020
Communication to designated inventor
Search/Exam
Jul 21, 2020
Priority search results copy provided by EPO
Search/Exam
Jul 6, 2020
Apr 22, 2020
Information regarding early processing
Search/Exam
Apr 8, 2020
(Electronic) Receipt
Search/Exam
Apr 8, 2020
Request for entry into the European phase
Search/Exam
Jul 18, 2019
Jun 27, 2019
Copy of the international search report
Search/Exam
Jun 27, 2019
Copy of the international search report
Search/Exam
Jun 27, 2019
Published international application - A1
Search/Exam
Feb 21, 2019
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Dec 4, 2018
Nov 27, 2018
(Electronic) Receipt
PCTRO
Nov 27, 2018
Abstract
PCTRO
Nov 27, 2018
Claims
PCTRO
Nov 27, 2018
Description
PCTRO
Nov 27, 2018
Nov 27, 2018
Drawings
PCTRO
Nov 27, 2018
Nov 27, 2018