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The patent EP3775375 was granted to Voestalpine Railway Systems on May 4, 2022. The application was filed on Mar 29, 2019 under application number EP19717411A. 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 |
|---|---|---|---|
| VOSSLOH COGIFER | Feb 3, 2023 | LOYER & ABELLO | ADMISSIBLE |
| VOSSLOH SWITCH SYSTEMS FRANCE | Feb 3, 2023 | LOYER & ABELLO | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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
Feb 16, 2022
English translation of the claims
Search/Exam
Feb 16, 2022
Filing of the translations of the claims
Search/Exam
Feb 16, 2022
French translation of claims
Search/Exam
Feb 16, 2022
Letter concerning fees and payments
Search/Exam
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Intention to grant (signatures)
Search/Exam
Oct 27, 2021
Text intended for grant (clean copy)
Search/Exam
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Examination started
Search/Exam
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Amended description with annotations
Search/Exam
May 14, 2021
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Search/Exam
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Communication to designated inventor
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Communication to designated inventor
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Oct 7, 2020
Matter concerning the application
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Note on telephone consultation
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Letter concerning fees and payments
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Sep 22, 2020
Request for entry into the European phase
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Notification of the recording of a change
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Information on entry into European phase
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Notification of the recording of a change
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Notification of election of EPO
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PCT demand form
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Copy of the international search report
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Oct 3, 2019
Copy of the international search report
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Oct 3, 2019
Published international application - A1
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ISR: cited documents
PCTISA
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Abstract
PCTISA
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PCTISA
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PCTISA
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