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The patent EP3681772 was granted to Faiveley Transport Italia on Nov 10, 2021. The application was filed on Sep 12, 2018 under application number EP18783575A. 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 |
|---|---|---|---|
| KNORR BREMSE SYSTEME FUR SCHIENENFAHRZEUGE | Aug 8, 2022 | PRUFER & PARTNER MBB PATENTANWALTE RECHTSANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1473485 |
| INTERNATIONAL-SEARCH-REPORT | EP2648949 |
| INTERNATIONAL-SEARCH-REPORT | US2004075280 |
| INTERNATIONAL-SEARCH-REPORT | US2007001629 |
| INTERNATIONAL-SEARCH-REPORT | US4936610 |
| INTERNATIONAL-SEARCH-REPORT | US5775228 |
| INTERNATIONAL-SEARCH-REPORT | WO2017109690 |
| OPPOSITION | DE102009042965 |
| OPPOSITION | DE102011052545 |
| OPPOSITION | EP1181179 |
| OPPOSITION | EP1266814 |
| OPPOSITION | EP1473485 |
| OPPOSITION | EP2648949 |
| OPPOSITION | EP3056397 |
| OPPOSITION | GB2402983 |
| OPPOSITION | IT201700102369 |
| OPPOSITION | US2004046442 |
| OPPOSITION | US2004075280 |
| OPPOSITION | US2007001629 |
| OPPOSITION | US2015291138 |
| OPPOSITION | US4936610 |
| OPPOSITION | US5551765 |
| OPPOSITION | US5775228 |
| OPPOSITION | WO2017109690 |
| OPPOSITION | WO2019053599 |
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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Nov 6, 2025
(Electronic) Receipt
Appeal
Nov 6, 2025
Nov 3, 2025
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Oct 29, 2025
Sep 8, 2025
Sep 2, 2025
(Electronic) Receipt
Appeal
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Aug 8, 2025
(Electronic) Receipt
Appeal
Aug 8, 2025
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Reply to appeal
Appeal
Jul 24, 2025
Apr 8, 2025
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(Electronic) Receipt
Appeal
Apr 3, 2025
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Jan 16, 2025
(Electronic) Receipt
Appeal
Jan 16, 2025
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Notice of appeal
Appeal
Dec 6, 2024
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Means of redress
OPPO
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Nov 23, 2021
Oct 14, 2021
Decision to grant a European patent
Search/Exam
Sep 23, 2021
Sep 22, 2021
(Electronic) Receipt
Search/Exam
Sep 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 22, 2021
Matter concerning the application
Search/Exam
Aug 13, 2021
Aug 9, 2021
(Electronic) Receipt
Search/Exam
Aug 9, 2021
Filing of the translations of the claims
Search/Exam
Aug 9, 2021
French translation of claims
Search/Exam
Aug 9, 2021
German translation of the claims
Search/Exam
Aug 9, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Intention to grant (signatures)
Search/Exam
Apr 14, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 14, 2021
Mar 15, 2021
Examination started
Search/Exam
Jun 25, 2020
Change to the inventor details
Search/Exam
Jun 24, 2020
Jun 19, 2020
(Electronic) Receipt
Search/Exam
Jun 19, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 19, 2020
Letter concerning the inventor
Search/Exam
Jun 5, 2020
May 28, 2020
May 26, 2020
Letter which had not been notified
Search/Exam
May 20, 2020
Letter which had not been notified
Search/Exam
Apr 24, 2020
Apr 22, 2020
Communication to designated inventor
Search/Exam
Apr 22, 2020
Communication to designated inventor
Search/Exam
Apr 22, 2020
Communication to designated inventor
Search/Exam
Apr 3, 2020
(Electronic) Receipt
Search/Exam
Apr 3, 2020
Request for entry into the European phase
Search/Exam
Apr 1, 2020
Jan 24, 2020
Information on entry into European phase
Search/Exam
Apr 11, 2019
Mar 21, 2019
Copy of the international search report
Search/Exam
Mar 21, 2019
Published international application - A1
Search/Exam
Feb 1, 2019
ISR: cited documents
PCTISA
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Oct 25, 2018
Oct 23, 2018
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Oct 20, 2018
Oct 13, 2018
Abstract
PCTISA
Oct 13, 2018
Annex
PCTISA
Oct 13, 2018
Annex
PCTISA
Oct 13, 2018
Claims
PCTISA
Oct 13, 2018
Description
PCTISA
Oct 13, 2018
Drawings
PCTISA
Oct 13, 2018
Oct 13, 2018
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Jun 12, 2018
Priority search results copy provided by EPO
Search/Exam