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The patent EP2983276 was granted to Siemens on Jan 29, 2020. The application was filed on Aug 4, 2014 under application number EP14179653A. 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 |
|---|---|---|---|
| SEW EURODRIVE | Jan 17, 2018 | TUNGLER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DD205540 |
| OPPOSITION | DE102011082358 |
| OPPOSITION | EP1503218 |
| OPPOSITION | EP2479583 |
| OPPOSITION | EP2549245 |
| OPPOSITION | JPH02184204 |
| OPPOSITION | JPS55122450 |
| OPPOSITION | KR20040075187 |
| OPPOSITION | US2007194631 |
| OPPOSITION | WO2014114673 |
| SEARCH | JPH02184204 |
| SEARCH | JPS55122450 |
| SEARCH | US2007194631 |
| SEARCH | WO2014114673 |
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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Jan 8, 2020
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Description
OPPO
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OPPO
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OPPO
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Apr 9, 2019
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OPPO
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Authorisation
OPPO
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Authorisation
OPPO
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Decision to grant a European patent
Search/Exam
Feb 10, 2017
(Electronic) Receipt
Search/Exam
Feb 10, 2017
English translation of the claims
Search/Exam
Feb 10, 2017
French translation of claims
Search/Exam
Feb 10, 2017
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Nov 21, 2016
Text intended for grant (clean copy)
Search/Exam
Nov 21, 2016
Oct 7, 2016
Examination started
Search/Exam
Feb 15, 2016
Jan 13, 2016
Notification of forthcoming publication
Search/Exam
Jan 8, 2015
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European search opinion
Search/Exam
Jan 8, 2015
European search report
Search/Exam
Nov 11, 2014
Search started
Search/Exam
Sep 26, 2014
Communication to designated inventor
Search/Exam
Aug 4, 2014
Abstract
Search/Exam
Aug 4, 2014
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Claims
Search/Exam
Aug 4, 2014
Description
Search/Exam
Aug 4, 2014
Designation of inventor
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Aug 4, 2014
Drawings
Search/Exam
Aug 4, 2014
Request for grant of a European patent
Search/Exam