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The patent EP2296935 was granted to Siemens on Apr 5, 2023. The application was filed on May 14, 2009 under application number EP09779464A. 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 |
|---|---|---|---|
| DEUTSCHE BAHN | Mar 23, 2021 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE102004063373 |
| INTERNATIONAL-SEARCH-REPORT | DE19652369 |
| INTERNATIONAL-SEARCH-REPORT | EP1496369 |
| INTERNATIONAL-SEARCH-REPORT | EP1717567 |
| INTERNATIONAL-SEARCH-REPORT | US4806855 |
| OPPOSITION | DE102004063373 |
| OPPOSITION | DE19652369 |
| OPPOSITION | EP1496369 |
| OPPOSITION | EP1717567 |
| OPPOSITION | US4806855 |
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
Aug 17, 2022
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Description
OPPO
Feb 3, 2022
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Jul 6, 2020
May 28, 2020
Decision to grant a European patent
Search/Exam
Apr 30, 2020
(Electronic) Receipt
Search/Exam
Apr 30, 2020
English translation of the claims
Search/Exam
Apr 30, 2020
Filing of the translations of the claims
Search/Exam
Apr 30, 2020
French translation of claims
Search/Exam
Feb 14, 2020
Feb 14, 2020
Feb 14, 2020
Intention to grant (signatures)
Search/Exam
Feb 14, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 14, 2020
Jan 20, 2020
(Electronic) Receipt
Search/Exam
Jan 20, 2020
Amended claims with annotations
Search/Exam
Jan 20, 2020
Amended description with annotations
Search/Exam
Jan 20, 2020
Claims
Search/Exam
Jan 20, 2020
Description
Search/Exam
Jan 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 20, 2020
Nov 14, 2019
Nov 14, 2019
Nov 14, 2019
Intention to grant (signatures)
Search/Exam
Nov 14, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 14, 2019
May 23, 2019
(Electronic) Receipt
Search/Exam
May 23, 2019
Amended claims with annotations
Search/Exam
May 23, 2019
Amended description with annotations
Search/Exam
May 23, 2019
Claims
Search/Exam
May 23, 2019
Description
Search/Exam
May 23, 2019
Letter accompanying subsequently filed items
Search/Exam
May 23, 2019
Jan 24, 2019
Annex to the communication
Search/Exam
Jan 24, 2019
Communication from the Examining Division
Search/Exam
Oct 1, 2018
Sep 17, 2018
Annexes in respect of a client data request
Search/Exam
Sep 17, 2018
Aug 23, 2018
Annexes in respect of a client data request
Search/Exam
Aug 23, 2018
Jul 6, 2018
(Electronic) Receipt
Search/Exam
Jul 6, 2018
Amended claims with annotations
Search/Exam
Jul 6, 2018
Claims
Search/Exam
Jul 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 6, 2018
Jul 4, 2018
Annex to the communication
Search/Exam
Jul 4, 2018
Communication from the Examining Division
Search/Exam
Jul 31, 2017
Jul 24, 2017
Dec 9, 2016
(Electronic) Receipt
Search/Exam
Dec 9, 2016
Amended claims with annotations
Search/Exam
Dec 9, 2016
Amended description with annotations
Search/Exam
Dec 9, 2016
Claims
Search/Exam
Dec 9, 2016
Description
Search/Exam
Dec 9, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 9, 2016
Aug 8, 2016
Annex to the communication
Search/Exam
Aug 8, 2016
Communication from the Examining Division
Search/Exam
Apr 24, 2014
(Electronic) Receipt
Search/Exam
Apr 24, 2014
Claims
Search/Exam
Apr 24, 2014
Description
Search/Exam
Apr 24, 2014
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2014
Mar 17, 2014
Annex to the communication
Search/Exam
Mar 17, 2014
Communication from the Examining Division
Search/Exam
Mar 6, 2014
Examination started
Search/Exam
Aug 13, 2013
(Electronic) Receipt
Search/Exam
Aug 13, 2013
Aug 13, 2013
Letter accompanying subsequently filed items
Search/Exam
Feb 11, 2013
Feb 5, 2013
Feb 5, 2013
Feb 4, 2013
Apr 4, 2011
Apr 4, 2011
Amended claims with annotations
Search/Exam
Apr 4, 2011
Amendments received before examination
Search/Exam
Feb 25, 2011
Feb 23, 2011
Feb 3, 2011
Nov 30, 2010
(Electronic) Receipt
Search/Exam
Nov 30, 2010
Request for entry into the European phase
Search/Exam
Nov 26, 2010
Information on entry into European phase
Search/Exam
Feb 10, 2010
Jan 21, 2010
Copy of the international search report
Search/Exam
Jan 21, 2010
Copy of the international search report
Search/Exam
Jan 21, 2010
Published international application - A1
Search/Exam
Aug 19, 2009
Aug 19, 2009
Aug 19, 2009
May 14, 2009
(Electronic) Receipt
PCTRO
May 14, 2009
Abstract
PCTRO
May 14, 2009
Claims
PCTRO
May 14, 2009
Description
PCTRO
May 14, 2009
Drawings
PCTRO
May 14, 2009