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The patent EP3325396 was granted to Inventio on Oct 8, 2025. The application was filed on Jun 30, 2016 under application number EP16733548A. 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 | Dec 14, 2022 | 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 |
|---|---|
| DESCRIPTION | JP3214801B |
| INTERNATIONAL-SEARCH-REPORT | JP3034960B |
| INTERNATIONAL-SEARCH-REPORT | JP3214801B |
| INTERNATIONAL-SEARCH-REPORT | JPH0455276 |
| OPPOSITION | EP3085660 |
| OPPOSITION | JP3034960B |
| OPPOSITION | JP3214801B |
| OPPOSITION | JPH0455276 |
| OPPOSITION | JPH05105362 |
| OPPOSITION | JPH05228897 |
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 11, 2025
Sep 11, 2025
Sep 3, 2025
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Sep 3, 2025
Aug 29, 2025
Aug 29, 2025
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Refund of fees
Search/Exam
Aug 8, 2025
Aug 8, 2025
Aug 7, 2025
(Electronic) Receipt
Appeal
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Withdrawal of an appeal
Appeal
Jul 9, 2025
Jul 1, 2025
Jul 1, 2025
Jun 23, 2025
(Electronic) Receipt
Appeal
Jun 23, 2025
Jun 23, 2025
Notice of appeal
Appeal
Apr 22, 2025
Apr 22, 2025
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Means of redress
OPPO
Apr 22, 2025
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Aug 12, 2022
Apr 6, 2022
Mar 29, 2022
Feb 17, 2022
Decision to grant a European patent
Search/Exam
Feb 1, 2022
(Electronic) Receipt
Search/Exam
Feb 1, 2022
Filing of the translations of the claims
Search/Exam
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Intention to grant (signatures)
Search/Exam
Nov 17, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 17, 2021
Oct 11, 2021
Examination started
Search/Exam
Aug 23, 2018
(Electronic) Receipt
Search/Exam
Aug 23, 2018
Aug 23, 2018
Amended claims with annotations
Search/Exam
Aug 23, 2018
Aug 23, 2018
Amended description with annotations
Search/Exam
Aug 23, 2018
Amendments received before examination
Search/Exam
Aug 23, 2018
Letter accompanying subsequently filed items
Search/Exam
May 3, 2018
Mar 2, 2018
Mar 2, 2018
Communication to designated inventor
Search/Exam
Mar 2, 2018
Communication to designated inventor
Search/Exam
Mar 2, 2018
Communication to designated inventor
Search/Exam
Mar 2, 2018
Communication to designated inventor
Search/Exam
Mar 2, 2018
Communication to designated inventor
Search/Exam
Feb 24, 2018
Priority search results copy provided by EPO
Search/Exam
Feb 12, 2018
Dec 14, 2017
(Electronic) Receipt
Search/Exam
Dec 14, 2017
Request for entry into the European phase
Search/Exam
Dec 6, 2017
Information on entry into European phase
Search/Exam
Feb 23, 2017
Feb 2, 2017
Copy of the international search report
Search/Exam
Feb 2, 2017
Copy of the international search report
Search/Exam
Feb 2, 2017
Published international application - A1
Search/Exam
Oct 17, 2016
Oct 17, 2016
Oct 17, 2016
Jul 8, 2016
Jun 30, 2016
(Electronic) Receipt
PCTRO
Jun 30, 2016
Abstract
PCTRO
Jun 30, 2016
Claims
PCTRO
Jun 30, 2016
Description
PCTRO
Jun 30, 2016
Jun 30, 2016
Drawings
PCTRO
Jun 30, 2016
Jun 30, 2016