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The patent EP2877383 was granted to Siemens on Aug 8, 2018. The application was filed on Aug 23, 2013 under application number EP13758768A. 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 |
|---|---|---|---|
| KNORR BREMSE SYSTEME FUR SCHIENENFAHRZEUGE | May 8, 2019 | PRUFER & PARTNER MBB PATENTANWALTE RECHTSANWALTE | - |
| BOMBARDIER TRANSPORTATION | May 7, 2019 | ALATIS | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | GB2450698 |
| INTERNATIONAL-SEARCH-REPORT | US5445347 |
| OPPOSITION | DE102011002772 |
| OPPOSITION | DE102013201494 |
| OPPOSITION | EP1900597 |
| OPPOSITION | EP2877383 |
| OPPOSITION | EP2877384 |
| OPPOSITION | GB2378248 |
| OPPOSITION | GB2437156 |
| OPPOSITION | GB2450698 |
| OPPOSITION | US2003055666 |
| OPPOSITION | US2007152107 |
| OPPOSITION | US5445347 |
| OPPOSITION | US6125311 |
| OPPOSITION | US6161962 |
| OPPOSITION | US6813581 |
| OPPOSITION | US7219067 |
| OPPOSITION | WO2014044484 |
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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Mar 1, 2024
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Claims
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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Reply to appeal
Appeal
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Appeal
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Reply to appeal
Appeal
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Appeal
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Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Jun 27, 2018
(Electronic) Receipt
Search/Exam
Jun 27, 2018
English translation of the claims
Search/Exam
Jun 27, 2018
French translation of claims
Search/Exam
Jun 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2018
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Intention to grant (signatures)
Search/Exam
Mar 23, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 23, 2018
Feb 14, 2018
Examination started
Search/Exam
Nov 16, 2017
Jul 31, 2017
Jul 24, 2017
Nov 11, 2015
(Electronic) Receipt
Search/Exam
Nov 11, 2015
Nov 11, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 11, 2015
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(Electronic) Receipt
Search/Exam
Oct 2, 2015
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Amended claims with annotations
Search/Exam
Oct 2, 2015
Amendments received before examination
Search/Exam
Oct 2, 2015
Letter accompanying subsequently filed items
Search/Exam
May 7, 2015
Apr 22, 2015
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Apr 22, 2015
Communication to designated inventor
Search/Exam
Apr 8, 2015
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Feb 24, 2015
(Electronic) Receipt
Search/Exam
Feb 24, 2015
Request for entry into the European phase
Search/Exam
Jan 30, 2015
Information on entry into European phase
Search/Exam
Sep 12, 2014
Copy of the international search report
Search/Exam
Sep 12, 2014
Copy of the international search report
Search/Exam
Sep 12, 2014
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Mar 27, 2014
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Published international application - A2
Search/Exam
Aug 23, 2013
(Electronic) Receipt
PCTRO
Aug 23, 2013
Abstract
PCTRO
Aug 23, 2013
Claims
PCTRO
Aug 23, 2013
Description
PCTRO
Aug 23, 2013
Drawings
PCTRO
Aug 23, 2013