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The patent EP2491469 was granted to Siemens on May 17, 2017. The application was filed on Oct 18, 2010 under application number EP10775741A. 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 |
|---|---|---|---|
| VANDERLANDE INDUSTRIES | Feb 15, 2018 | ALGEMEEN OCTROOI EN MERKENBUREAU | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2007276540 |
| INTERNATIONAL-SEARCH-REPORT | US2007288123 |
| INTERNATIONAL-SEARCH-REPORT | US4556940 |
| OPPOSITION | US2007276540 |
| OPPOSITION | US2007288123 |
| OPPOSITION | US3610159 |
| OPPOSITION | US4556940 |
| OPPOSITION | WO03054688 |
| OPPOSITION | WO2004069699 |
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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Description
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Authorisation
OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Feb 7, 2017
(Electronic) Receipt
Search/Exam
Feb 7, 2017
English translation of the claims
Search/Exam
Feb 7, 2017
Filing of the translations of the claims
Search/Exam
Feb 7, 2017
French translation of claims
Search/Exam
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Intention to grant (signatures)
Search/Exam
Dec 7, 2016
Text intended for grant
Search/Exam
Mar 18, 2014
(Electronic) Receipt
Search/Exam
Mar 18, 2014
Amended claims with annotations
Search/Exam
Mar 18, 2014
Claims
Search/Exam
Mar 18, 2014
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2014
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Annex to the communication
Search/Exam
Nov 13, 2013
Communication from the Examining Division
Search/Exam
Nov 5, 2013
Examination started
Search/Exam
Feb 11, 2013
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Amended claims with annotations
Search/Exam
Dec 27, 2012
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Amended description with annotations
Search/Exam
Dec 27, 2012
Amendments received before examination
Search/Exam
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Copy of the international search report
Search/Exam
Jun 14, 2012
Copy of the international search report
Search/Exam
Jun 14, 2012
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(Electronic) Receipt
Search/Exam
Apr 12, 2012
Request for entry into the European phase
Search/Exam
Apr 2, 2012
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Information on entry into European phase
Search/Exam
May 20, 2011
Apr 28, 2011
Published international application - A2
Search/Exam
Oct 18, 2010
(Electronic) Receipt
PCTRO
Oct 18, 2010
Abstract
PCTRO
Oct 18, 2010
Claims
PCTRO
Oct 18, 2010
Description
PCTRO
Oct 18, 2010
Drawings
PCTRO