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The patent EP2654157 was granted to Siemens on Jul 20, 2022. The application was filed on Apr 17, 2012 under application number EP12164474A. 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 |
|---|---|---|---|
| THUM & PARTNER I THUM MOTSCH WEICKERT PATENTANWALTE PARTG MBB | Apr 19, 2023 | THUM | 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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OPPO
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Decision to grant a European patent
Search/Exam
Jun 7, 2022
Change to the inventor details
Search/Exam
Jun 1, 2022
(Electronic) Receipt
Search/Exam
Jun 1, 2022
Filing of the translations of the claims
Search/Exam
Jun 1, 2022
French translation of claims
Search/Exam
Jun 1, 2022
German translation of the claims
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Jun 1, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 9, 2022
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Intention to grant (signatures)
Search/Exam
Mar 9, 2022
Text intended for grant (clean copy)
Search/Exam
Mar 9, 2022
Jun 22, 2021
(Electronic) Receipt
Search/Exam
Jun 22, 2021
Amended claims with annotations
Search/Exam
Jun 22, 2021
Amended description with annotations
Search/Exam
Jun 22, 2021
Claims
Search/Exam
Jun 22, 2021
Description
Search/Exam
Jun 22, 2021
Letter accompanying subsequently filed items
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Jun 22, 2021
Apr 15, 2021
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(Electronic) Receipt
Search/Exam
Apr 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 12, 2021
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Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2021
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Authorisation
Search/Exam
Jan 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 14, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 14, 2021
Dec 17, 2020
Annex to the communication
Search/Exam
Dec 17, 2020
Communication from the Examining Division
Search/Exam
Aug 8, 2017
(Electronic) Receipt
Search/Exam
Aug 8, 2017
Amended claims with annotations
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Aug 8, 2017
Claims
Search/Exam
Aug 8, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 8, 2017
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(Electronic) Receipt
Search/Exam
May 24, 2017
Letter accompanying subsequently filed items
Search/Exam
May 24, 2017
Feb 8, 2017
Annex to the communication
Search/Exam
Feb 8, 2017
Communication from the Examining Division
Search/Exam
Jan 30, 2017
Examination started
Search/Exam
Sep 14, 2016
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(Electronic) Receipt
Search/Exam
Jan 26, 2015
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Submission concerning representation
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Apr 22, 2014
(Electronic) Receipt
Search/Exam
Apr 22, 2014
Apr 22, 2014
Amendments received before examination
Search/Exam
Apr 22, 2014
Letter accompanying subsequently filed items
Search/Exam
Oct 28, 2013
Sep 25, 2013
Notification of forthcoming publication
Search/Exam
Feb 11, 2013
Feb 5, 2013
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Oct 1, 2012
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European search opinion
Search/Exam
Oct 1, 2012
European search report
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Jun 25, 2012
EPO/applicant correspondence crossed
Search/Exam
Jun 18, 2012
Jun 14, 2012
(Electronic) Receipt
Search/Exam
Jun 14, 2012
Drawings
Search/Exam
Jun 14, 2012
Letter accompanying subsequently filed items
Search/Exam
Apr 17, 2012
Abstract
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Apr 17, 2012
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Claims
Search/Exam
Apr 17, 2012
Description
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Apr 17, 2012
Designation of inventor
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Apr 17, 2012
Designation of inventor
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Apr 17, 2012
Designation of inventor
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Apr 17, 2012
Designation of inventor
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Apr 17, 2012
Designation of inventor
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Apr 17, 2012
Designation of inventor
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Apr 17, 2012
Drawings
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Apr 17, 2012
Request for grant of a European patent
Search/Exam