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The patent EP2729397 was granted to Siemens on Jun 7, 2023. The application was filed on Sep 5, 2012 under application number EP12769953A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| VOITH PATENT | Jan 30, 2020 | DR WEITZEL & PARTNER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE102007007988 |
| EXAMINATION | EP1958905 |
| INTERNATIONAL-SEARCH-REPORT | CH699550 |
| INTERNATIONAL-SEARCH-REPORT | US3725755 |
| INTERNATIONAL-SEARCH-REPORT | US4519039 |
| OTHER | EP1958905 |
| OTHER | US2010181412 |
| OTHER | WO2008096034 |
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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OPPO
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Description
OPPO
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May 13, 2019
Apr 4, 2019
Decision to grant a European patent
Search/Exam
Mar 22, 2019
(Electronic) Receipt
Search/Exam
Mar 22, 2019
English translation of the claims
Search/Exam
Mar 22, 2019
French translation of claims
Search/Exam
Mar 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2018
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Intention to grant (signatures)
Search/Exam
Dec 12, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 12, 2018
Jan 9, 2018
Jan 4, 2018
(Electronic) Receipt
Search/Exam
Jan 4, 2018
Amended claims with annotations
Search/Exam
Jan 4, 2018
Amended description with annotations
Search/Exam
Jan 4, 2018
Claims
Search/Exam
Jan 4, 2018
Description
Search/Exam
Jan 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 4, 2018
Jan 2, 2018
(Electronic) Receipt
Search/Exam
Jan 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 2, 2018
Aug 24, 2017
Annex to the communication
Search/Exam
Aug 24, 2017
Communication from the Examining Division
Search/Exam
Jul 31, 2017
Jul 24, 2017
Jul 7, 2016
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Oct 30, 2015
Examination started
Search/Exam
Aug 13, 2014
(Electronic) Receipt
Search/Exam
Aug 13, 2014
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Amended description with annotations
Search/Exam
Aug 13, 2014
Amendments received before examination
Search/Exam
Aug 13, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2014
Jul 16, 2014
Non-patent literature filed by a third party
Search/Exam
Jul 16, 2014
Observations by third parties
Search/Exam
May 6, 2014
Communication to designated inventor
Search/Exam
May 6, 2014
Communication to designated inventor
Search/Exam
May 6, 2014
Communication to designated inventor
Search/Exam
Apr 16, 2014
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Mar 12, 2014
Feb 7, 2014
(Electronic) Receipt
Search/Exam
Feb 7, 2014
Information on entry into European phase
Search/Exam
Feb 7, 2014
Priority search results
Search/Exam
Feb 7, 2014
Request for entry into the European phase
Search/Exam
Apr 23, 2013
Apr 4, 2013
Copy of the international search report
Search/Exam
Apr 4, 2013
Copy of the international search report
Search/Exam
Apr 4, 2013
Published international application - A1
Search/Exam
Feb 4, 2013
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Sep 5, 2012
(Electronic) Receipt
PCTRO
Sep 5, 2012
Abstract
PCTRO
Sep 5, 2012
Claims
PCTRO
Sep 5, 2012
Description
PCTRO
Sep 5, 2012
Drawings
PCTRO