The weekly litigation news digest is live. Subscribe now
The patent EP2720926 was granted to Siemens on Apr 13, 2022. The application was filed on Jul 4, 2012 under application number EP12734887A. 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 | Nov 21, 2017 | ZINKEN SOMMER | - |
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.
Date
Description
Get instant alerts for new documents
Mar 17, 2022
Mar 17, 2022
Mar 11, 2022
Mar 4, 2022
Mar 4, 2022
Mar 4, 2022
Mar 4, 2022
Mar 4, 2022
Feb 2, 2022
Feb 2, 2022
Feb 2, 2022
Jan 26, 2022
Jan 13, 2022
Advice of delivery
Appeal
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Oct 12, 2021
Description
Appeal
Oct 12, 2021
Description
Appeal
Oct 12, 2021
Oct 12, 2021
Oct 12, 2021
Oct 12, 2021
Oct 5, 2021
Oct 5, 2021
Oct 4, 2021
Advice of delivery
Appeal
Sep 8, 2021
Sep 3, 2021
Communication (no form)
Appeal
Sep 2, 2021
(Electronic) Receipt
Appeal
Sep 2, 2021
Sep 2, 2021
Aug 10, 2021
Aug 5, 2021
(Electronic) Receipt
Appeal
Aug 5, 2021
Aug 5, 2021
Nov 26, 2020
Advice of delivery
Appeal
Nov 23, 2020
Advice of delivery
Appeal
Nov 20, 2020
Nov 20, 2020
Nov 20, 2020
Nov 17, 2020
Aug 4, 2020
Mar 4, 2020
Feb 24, 2020
Feb 24, 2020
Feb 24, 2020
Feb 24, 2020
Reply to appeal
Appeal
Oct 24, 2019
Oct 17, 2019
(Electronic) Receipt
Appeal
Oct 17, 2019
Oct 17, 2019
Claims
Appeal
Oct 17, 2019
Claims
Appeal
Oct 17, 2019
Claims
Appeal
Oct 17, 2019
Claims
Appeal
Oct 17, 2019
Oct 17, 2019
Aug 26, 2019
Aug 26, 2019
Aug 16, 2019
(Electronic) Receipt
Appeal
Aug 16, 2019
Aug 16, 2019
Notice of appeal
Appeal
Jun 27, 2019
Jun 25, 2019
Jun 25, 2019
Jun 24, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Means of redress
Search/Exam
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
May 8, 2019
Mar 14, 2019
Mar 14, 2019
Mar 11, 2019
Mar 7, 2019
Mar 7, 2019
Mar 7, 2019
Mar 7, 2019
Description
OPPO
Mar 7, 2019
Mar 7, 2019
Mar 7, 2019
Mar 7, 2019
Mar 7, 2019
Mar 7, 2019
Mar 5, 2019
Mar 5, 2019
Mar 5, 2019
Sep 28, 2018
Sep 17, 2018
Sep 17, 2018
Sep 11, 2018
Sep 4, 2018
Aug 30, 2018
Aug 30, 2018
Aug 29, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
May 8, 2018
May 3, 2018
Apr 25, 2018
Apr 25, 2018
Apr 25, 2018
Dec 15, 2017
Dec 15, 2017
Dec 1, 2017
Nov 21, 2017
Nov 21, 2017
Nov 21, 2017
Nov 21, 2017
Nov 21, 2017
Nov 21, 2017
Jul 31, 2017
Feb 23, 2017
Jan 26, 2017
Decision to grant a European patent
Search/Exam
Dec 20, 2016
(Electronic) Receipt
Search/Exam
Dec 20, 2016
English translation of the claims
Search/Exam
Dec 20, 2016
Filing of the translations of the claims
Search/Exam
Dec 20, 2016
French translation of claims
Search/Exam
Sep 19, 2016
Sep 19, 2016
Sep 19, 2016
Intention to grant (signatures)
Search/Exam
Sep 19, 2016
Text intended for grant (clean copy)
Search/Exam
Sep 19, 2016
Jun 17, 2015
Examination started
Search/Exam
Jul 4, 2014
(Electronic) Receipt
Search/Exam
Jul 4, 2014
Jul 4, 2014
Amended claims with annotations
Search/Exam
Jul 4, 2014
Jul 4, 2014
Amended description with annotations
Search/Exam
Jul 4, 2014
Amendments received before examination
Search/Exam
Jul 4, 2014
Letter accompanying subsequently filed items
Search/Exam
Apr 15, 2014
CDS Clean up - amended applicant details
Search/Exam
Apr 15, 2014
Mar 26, 2014
Feb 25, 2014
Communication to designated inventor
Search/Exam
Feb 6, 2014
Feb 6, 2014
Feb 6, 2014
Jan 14, 2014
(Electronic) Receipt
Search/Exam
Jan 14, 2014
Priority search results
Search/Exam
Jan 14, 2014
Request for entry into the European phase
Search/Exam
Nov 29, 2013
Information on entry into European phase
Search/Exam
Feb 13, 2013
Feb 5, 2013
Feb 5, 2013
Jan 24, 2013
Copy of the international search report
Search/Exam
Jan 24, 2013
Copy of the international search report
Search/Exam
Jan 24, 2013
Published international application - A1
Search/Exam
Sep 20, 2012
Sep 20, 2012
Sep 20, 2012
Jul 4, 2012
(Electronic) Receipt
PCTRO
Jul 4, 2012
Abstract
PCTRO
Jul 4, 2012
Claims
PCTRO
Jul 4, 2012
Description
PCTRO
Jul 4, 2012
Drawings
PCTRO