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The patent EP2852827 was granted to Electronic Machines on Sep 20, 2023. The application was filed on May 15, 2013 under application number EP13793362A. 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 |
|---|---|---|---|
| VOESTALPINE SIGNALING SIERSHAHN | Jun 19, 2024 | SCHMIDT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1600351 |
| DESCRIPTION | US5677533 |
| EXAMINATION | US2003098412 |
| EXAMINATION | US4867574 |
| EXAMINATION | US5313202 |
| INTERNATIONAL-SEARCH-REPORT | EP1600351 |
| INTERNATIONAL-SEARCH-REPORT | US2003098412 |
| INTERNATIONAL-SEARCH-REPORT | US2010006761 |
| INTERNATIONAL-SEARCH-REPORT | US5343043 |
| INTERNATIONAL-SEARCH-REPORT | US7312454 |
| OPPOSITION | CN101950186 |
| OPPOSITION | CN202795091U |
| OPPOSITION | DE102007058993 |
| OPPOSITION | US3086108 |
| OPPOSITION | US3998549 |
| OPPOSITION | US4878761 |
| OPPOSITION | US5478151 |
| SEARCH | EP1600351 |
| SEARCH | US2011024576 |
| SEARCH | US4806761 |
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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Means of redress
OPPO
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Oct 4, 2023
Aug 24, 2023
Decision to grant a European patent
Search/Exam
Aug 11, 2023
(Electronic) Receipt
Search/Exam
Aug 11, 2023
Filing of the translations of the claims
Search/Exam
Aug 11, 2023
French translation of claims
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Aug 11, 2023
German translation of the claims
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Aug 11, 2023
Letter accompanying subsequently filed items
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Apr 3, 2023
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Intention to grant (signatures)
Search/Exam
Apr 3, 2023
Text intended for grant (clean copy)
Search/Exam
Apr 3, 2023
Feb 10, 2023
(Electronic) Receipt
Search/Exam
Feb 10, 2023
Amended claims with annotations
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Feb 10, 2023
Amended description with annotations
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Feb 10, 2023
Claims
Search/Exam
Feb 10, 2023
Description
Search/Exam
Feb 10, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2023
Dec 5, 2022
Nov 30, 2022
(Electronic) Receipt
Search/Exam
Nov 30, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 30, 2022
Aug 1, 2022
Annex to the communication
Search/Exam
Aug 1, 2022
Aug 1, 2022
Feb 10, 2020
(Electronic) Receipt
Search/Exam
Feb 10, 2020
Amended claims with annotations
Search/Exam
Feb 10, 2020
Claims
Search/Exam
Feb 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2020
Dec 4, 2019
Nov 28, 2019
(Electronic) Receipt
Search/Exam
Nov 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 28, 2019
Jul 30, 2019
Annex to the communication
Search/Exam
Jul 30, 2019
Communication from the Examining Division
Search/Exam
Jun 27, 2019
Examination started
Search/Exam
Jan 24, 2019
Dec 6, 2017
Dec 1, 2017
Sep 4, 2017
Submission concerning representation
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Sep 5, 2016
Sep 5, 2016
Amended claims with annotations
Search/Exam
Sep 5, 2016
Sep 5, 2016
Amended description with annotations
Search/Exam
Sep 5, 2016
Amendments received before examination
Search/Exam
Sep 5, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 4, 2016
Feb 17, 2016
Feb 17, 2016
European search opinion
Search/Exam
Feb 17, 2016
Information on Search Strategy
Search/Exam
Feb 17, 2016
Supplementary European search report
Search/Exam
Feb 1, 2016
Search started
Search/Exam
Mar 4, 2015
Jan 28, 2015
Jan 8, 2015
Communication to designated inventor
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Jan 8, 2015
Communication to designated inventor
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Jan 8, 2015
Communication to designated inventor
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Dec 12, 2014
(Electronic) Receipt
Search/Exam
Dec 12, 2014
Dec 12, 2014
Request for entry into the European phase
Search/Exam
Dec 8, 2014
Oct 6, 2014
Information on entry into European phase
Search/Exam
Dec 19, 2013
Nov 28, 2013
Copy of the international search report
Search/Exam
Nov 28, 2013
Published international application - A1
Search/Exam