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The patent EP3461703 was granted to Knorr Bremse Systeme FR Schienenfahrzeuge on Aug 14, 2024. The application was filed on Sep 27, 2017 under application number EP17193508A. 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 |
|---|---|---|---|
| SIEMENS MOBILITY | Sep 23, 2021 | SIEMENS PATENT ATTORNEYS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2014257604 |
| OPPOSITION | DE19848990 |
| OPPOSITION | EP2705994 |
| OPPOSITION | EP3179674 |
| OPPOSITION | US2005251604 |
| SEARCH | DE19848990 |
| SEARCH | EP2705994 |
| SEARCH | EP3179674 |
| SEARCH | US2005251604 |
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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(Electronic) Receipt
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Dec 2, 2020
German translation of the claims
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Dec 2, 2020
Letter accompanying subsequently filed items
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Dec 2, 2020
Matter concerning the application
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Nov 26, 2020
Decision to grant a European patent
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Nov 12, 2020
(Electronic) Receipt
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Nov 12, 2020
Filing of the translations of the claims
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Nov 12, 2020
French translation of claims
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Nov 12, 2020
German translation of the claims
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Jul 30, 2020
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Intention to grant (signatures)
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Jul 30, 2020
Text intended for grant (clean copy)
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Communication to designated inventor
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Communication to designated inventor
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Apr 22, 2020
Letter concerning the inventor
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Apr 16, 2020
Letter concerning the inventor
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Feb 27, 2020
Amended claims with annotations
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Feb 27, 2020
Claims
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Feb 27, 2020
Oct 31, 2019
Annex to the communication
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Oct 31, 2019
Communication from the Examining Division
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Oct 25, 2019
Examination started
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Oct 1, 2019
(Electronic) Receipt
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Oct 1, 2019
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Amended claims with annotations
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Oct 1, 2019
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Amended description with annotations
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Oct 1, 2019
Amendments received before examination
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Oct 1, 2019
Letter accompanying subsequently filed items
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Apr 8, 2019
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Notification of forthcoming publication
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Apr 26, 2018
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European search opinion
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Apr 26, 2018
European search report
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Apr 26, 2018
Information on Search Strategy
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Apr 16, 2018
Search started
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Nov 20, 2017
Communication to designated inventor
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Nov 20, 2017
EPO/applicant correspondence crossed
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Oct 31, 2017
Deficiency in designation of inventor
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Oct 25, 2017
Designation of inventor
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Oct 25, 2017
Letter concerning the inventor
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Sep 27, 2017
Abstract
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Sep 27, 2017
Sep 27, 2017
Claims
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Sep 27, 2017
Description
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Sep 27, 2017
Drawings
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Sep 27, 2017
Request for grant of a European patent
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