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The patent EP4103409 was granted to Siemens Mobility Austria on Nov 15, 2023. The application was filed on Mar 26, 2021 under application number EP21718033A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0466540 |
| DESCRIPTION | WO2014131676 |
| EXAMINATION | EP2230096 |
| EXAMINATION | EP2979896 |
| INTERNATIONAL-SEARCH-REPORT | CN109249750 |
| INTERNATIONAL-SEARCH-REPORT | CN110641226 |
| INTERNATIONAL-SEARCH-REPORT | DE69105379T |
| INTERNATIONAL-SEARCH-REPORT | EP2230096 |
| INTERNATIONAL-SEARCH-REPORT | EP2979896 |
| INTERNATIONAL-SEARCH-REPORT | EP3459760 |
| OPPOSITION | CN104723790 |
| OPPOSITION | CN106004228 |
| OPPOSITION | CN1123378 |
| OPPOSITION | CN201494248U |
| OPPOSITION | CN205970619U |
| OPPOSITION | CN209096377U |
| OPPOSITION | DE3316759 |
| OPPOSITION | EP0466540 |
| OPPOSITION | EP2118516 |
| OPPOSITION | JP3991317B |
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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Description
OPPO
Dec 17, 2025
Description
OPPO
Dec 17, 2025
Description
OPPO
Dec 17, 2025
Description
OPPO
Dec 17, 2025
Description
OPPO
Dec 17, 2025
Description
OPPO
Dec 17, 2025
Dec 17, 2025
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Dec 17, 2025
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Dec 12, 2025
Dec 12, 2025
Authorisation
OPPO
Dec 12, 2025
Dec 12, 2025
Mar 24, 2025
Mar 24, 2025
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Mar 24, 2025
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Sep 12, 2024
Annex
OPPO
Sep 12, 2024
Sep 12, 2024
Aug 28, 2024
Aug 28, 2024
Aug 16, 2024
Aug 7, 2024
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Nov 28, 2023
Oct 19, 2023
Decision to grant a European patent
Search/Exam
Oct 6, 2023
(Electronic) Receipt
Search/Exam
Oct 6, 2023
English translation of the claims
Search/Exam
Oct 6, 2023
Filing of the translations of the claims
Search/Exam
Oct 6, 2023
French translation of claims
Search/Exam
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Intention to grant (signatures)
Search/Exam
Jun 20, 2023
Text intended for grant (clean copy)
Search/Exam
Jun 20, 2023
Jun 1, 2023
Examination started
Search/Exam
Mar 27, 2023
(Electronic) Receipt
Search/Exam
Mar 27, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 27, 2023
Reply to Written Opinion prepared by the EPO
Search/Exam
Feb 14, 2023
Feb 8, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2023
Nov 23, 2022
Oct 17, 2022
Oct 7, 2022
Oct 2, 2022
Observations by third parties
Search/Exam
Oct 2, 2022
Observations by third parties
Search/Exam
Oct 2, 2022
Patent document filed by a Third party
Search/Exam
Oct 2, 2022
Patent document filed by a Third party
Search/Exam
Oct 2, 2022
Patent document filed by a Third party
Search/Exam
Oct 2, 2022
Patent document filed by a Third party
Search/Exam
Oct 2, 2022
Patent document filed by a Third party
Search/Exam
Oct 2, 2022
Patent document filed by a Third party
Search/Exam
Oct 2, 2022
Patent document filed by a Third party
Search/Exam
Oct 2, 2022
Patent document filed by a Third party
Search/Exam
Sep 27, 2022
Sep 22, 2022
Sep 13, 2022
(Electronic) Receipt
Search/Exam
Sep 13, 2022
Priority search results
Search/Exam
Sep 13, 2022
Priority search results
Search/Exam
Sep 13, 2022
Request for entry into the European phase
Search/Exam
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Notification of the recording of a change
Search/Exam
Aug 12, 2022
Information on entry into European phase
Search/Exam
Oct 25, 2021
Oct 7, 2021
Copy of the international search report
Search/Exam
Oct 7, 2021
Copy of the international search report
Search/Exam
Oct 7, 2021
Published international application - A1
Search/Exam
Jul 12, 2021
ISR: cited documents
PCTISA
Jul 12, 2021
Jul 12, 2021
Jul 12, 2021
Jul 12, 2021
Apr 26, 2021
Apr 20, 2021
Apr 20, 2021
Mar 26, 2021
(Electronic) Receipt
PCTRO
Mar 26, 2021
Abstract
PCTRO
Mar 26, 2021
Claims
PCTRO
Mar 26, 2021
Description
PCTRO
Mar 26, 2021
Drawings
PCTRO
Mar 26, 2021
Mar 26, 2021