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The patent EP3388307 was granted to Knorr Bremse Systeme FR Schienenfahrzeuge on Oct 20, 2021. The application was filed on Apr 10, 2018 under application number EP18166626A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| SIEMENS MOBILITY | Jul 20, 2022 | SIEMENS PATENT ATTORNEYS | ADMISSIBLE |
| DEUTSCHE BAHN | Jul 19, 2022 | - | ADMISSIBLE |
| TRACK MACHINES CONNECTED GESELLSCHAFT | Jul 18, 2022 | HARMS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102005046456 |
| OPPOSITION | DE102006035597 |
| OPPOSITION | DE102008015107 |
| OPPOSITION | DE102009006085 |
| OPPOSITION | DE102010050167 |
| OPPOSITION | DE102012107918 |
| OPPOSITION | DE102012219631 |
| OPPOSITION | DE102014211168 |
| OPPOSITION | DE102015006073 |
| OPPOSITION | DE102017206446 |
| OPPOSITION | DE10254806 |
| OPPOSITION | DE10338234 |
| OPPOSITION | EP0736441 |
| OPPOSITION | EP0825418 |
| OPPOSITION | US2010063734 |
| OPPOSITION | US2012277990 |
| OPPOSITION | WO2004028881 |
| OPPOSITION | WO2012007822 |
| OPPOSITION | WO2017215777 |
| SEARCH | DE102009006085 |
| SEARCH | US2010063734 |
| SEARCH | WO2004028881 |
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
Sep 14, 2021
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English translation of the claims
Search/Exam
Sep 2, 2021
Filing of the translations of the claims
Search/Exam
Sep 2, 2021
French translation of claims
Search/Exam
May 18, 2021
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Intention to grant (signatures)
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May 18, 2021
Text intended for grant (clean copy)
Search/Exam
May 18, 2021
Apr 13, 2021
Examination started
Search/Exam
May 17, 2019
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
May 17, 2019
Amendments received before examination
Search/Exam
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Amended claims with annotations
Search/Exam
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Amended description with annotations
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May 14, 2019
Amendments received before examination
Search/Exam
Nov 19, 2018
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European search opinion
Search/Exam
Oct 11, 2018
European search report
Search/Exam
Oct 11, 2018
Information on Search Strategy
Search/Exam
Sep 27, 2018
Search started
Search/Exam
Sep 19, 2018
Notification of forthcoming publication
Search/Exam
Aug 10, 2018
Letter concerning the priority
Search/Exam
Aug 10, 2018
Priority document
Search/Exam
Jul 4, 2018
Communication to designated inventor
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Communication to designated inventor
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Apr 10, 2018
Abstract
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Apr 10, 2018
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Claims
Search/Exam
Apr 10, 2018
Description
Search/Exam
Apr 10, 2018
Designation of inventor
Search/Exam
Apr 10, 2018
Drawings
Search/Exam
Apr 10, 2018
Priority search results
Search/Exam
Apr 10, 2018
Request for grant of a European patent
Search/Exam