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The patent EP2637177 was granted to Siemens on Nov 29, 2017. The application was filed on Feb 20, 2013 under application number EP13155892A. 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 |
|---|---|---|---|
| WEIDMANN HOLDING | Aug 21, 2018 | RUTZ | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | CN102005287 |
| OPPOSITION | CN102005287 |
| OPPOSITION | EP2637177 |
| OPPOSITION | GB199118 |
| OPPOSITION | GB991546 |
| OPPOSITION | US3716813 |
| OPPOSITION | WO9827393 |
| SEARCH | GB199118 |
| SEARCH | GB991546 |
| SEARCH | US3716813 |
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 7, 2023
Feb 23, 2023
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Jan 24, 2023
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(Electronic) Receipt
Appeal
Jan 23, 2023
Jan 23, 2023
Jan 16, 2023
Jan 12, 2023
(Electronic) Receipt
Appeal
Jan 12, 2023
Jan 12, 2023
Jan 5, 2023
Dec 23, 2022
(Electronic) Receipt
Appeal
Dec 23, 2022
Dec 23, 2022
Nov 11, 2022
Nov 11, 2022
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Mar 2, 2022
Feb 24, 2022
(Electronic) Receipt
Appeal
Feb 24, 2022
Feb 24, 2022
Feb 24, 2022
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Feb 24, 2022
Reply to appeal
Appeal
Nov 2, 2021
Nov 2, 2021
Oct 28, 2021
Dec 23, 2020
Nov 23, 2020
Nov 23, 2020
Nov 20, 2020
Advice of delivery
Appeal
Nov 12, 2020
Acknowledgement of a document
Search/Exam
Nov 12, 2020
Nov 12, 2020
Mar 16, 2020
Mar 16, 2020
Mar 9, 2020
(Electronic) Receipt
Appeal
Mar 9, 2020
Mar 9, 2020
Notice of appeal
Appeal
Jan 27, 2020
Jan 24, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
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Jan 23, 2020
Means of redress
OPPO
Jan 23, 2020
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Oct 30, 2019
Sep 26, 2019
Sep 20, 2019
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Dec 11, 2018
Dec 6, 2018
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Sep 11, 2018
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Aug 29, 2018
Aug 21, 2018
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Dec 7, 2017
Nov 6, 2017
Decision to grant a European patent
Search/Exam
Oct 6, 2017
(Electronic) Receipt
Search/Exam
Oct 6, 2017
English translation of the claims
Search/Exam
Oct 6, 2017
Filing of the translations of the claims
Search/Exam
Oct 6, 2017
French translation of claims
Search/Exam
Jul 31, 2017
Jul 24, 2017
Jun 29, 2017
Jun 29, 2017
Jun 29, 2017
Intention to grant (signatures)
Search/Exam
Jun 29, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 29, 2017
Jan 13, 2017
(Electronic) Receipt
Search/Exam
Jan 13, 2017
Amended claims with annotations
Search/Exam
Jan 13, 2017
Amended description with annotations
Search/Exam
Jan 13, 2017
Claims
Search/Exam
Jan 13, 2017
Description
Search/Exam
Jan 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2017
Dec 21, 2016
Annex to the communication
Search/Exam
Dec 21, 2016
Communication from the Examining Division
Search/Exam
Dec 15, 2016
Examination started
Search/Exam
Mar 11, 2014
(Electronic) Receipt
Search/Exam
Mar 11, 2014
Letter accompanying subsequently filed items
Search/Exam
Mar 11, 2014
Matter concerning the application
Search/Exam
Sep 16, 2013
Aug 14, 2013
Notification of forthcoming publication
Search/Exam
Aug 8, 2013
Aug 8, 2013
European search opinion
Search/Exam
Aug 8, 2013
European search report
Search/Exam
Jul 30, 2013
Search started
Search/Exam
Apr 29, 2013
Communication to designated inventor
Search/Exam
Apr 29, 2013
Communication to designated inventor
Search/Exam
Apr 29, 2013
Communication to designated inventor
Search/Exam
Apr 29, 2013
Communication to designated inventor
Search/Exam
Feb 21, 2013
Letter concerning the priority
Search/Exam
Feb 21, 2013
Priority document
Search/Exam
Feb 20, 2013
Abstract
Search/Exam
Feb 20, 2013
Feb 20, 2013
Claims
Search/Exam
Feb 20, 2013
Description
Search/Exam
Feb 20, 2013
Designation of inventor
Search/Exam
Feb 20, 2013
Designation of inventor
Search/Exam
Feb 20, 2013
Designation of inventor
Search/Exam
Feb 20, 2013
Designation of inventor
Search/Exam
Feb 20, 2013
Drawings
Search/Exam
Feb 20, 2013
Priority search results
Search/Exam
Feb 20, 2013
Request for grant of a European patent
Search/Exam