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The patent EP2375000 was granted to ABB Schweiz on Dec 14, 2022. The application was filed on Mar 24, 2011 under application number EP11159510A. 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 |
|---|---|---|---|
| MAN ENERGY SOLUTIONS | Oct 14, 2019 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CH661964 |
| DESCRIPTION | DE102004055429 |
| DESCRIPTION | DE19713415 |
| DESCRIPTION | DE2025125 |
| DESCRIPTION | DE3021349 |
| DESCRIPTION | DE3737932 |
| DESCRIPTION | DE4330380 |
| DESCRIPTION | EP1860299 |
| DESCRIPTION | US2005188694 |
| DESCRIPTION | US3180568 |
| DESCRIPTION | US4196910 |
| DESCRIPTION | US4268229 |
| DESCRIPTION | US4523763 |
| EXAMINATION | DE102004055429 |
| OPPOSITION | US4157881 |
| OPPOSITION | US4196910 |
| OPPOSITION | US4268229 |
| OPPOSITION | US4389052 |
| OPPOSITION | US5890881 |
| OPPOSITION | WO2010112864 |
| SEARCH | DE2735034 |
| SEARCH | DE69721036T |
| SEARCH | GB2271814 |
| SEARCH | US2709567 |
| SEARCH | US4477223 |
| SEARCH | US7544039 |
| SEARCH | WO2007111759 |
| SEARCH | WO2010112864 |
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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Decision to grant a European patent
Search/Exam
Oct 9, 2018
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(Electronic) Receipt
Search/Exam
Oct 1, 2018
English translation of the claims
Search/Exam
Oct 1, 2018
Filing of the translations of the claims
Search/Exam
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French translation of claims
Search/Exam
Oct 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 1, 2018
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Intention to grant (signatures)
Search/Exam
Jun 27, 2018
Text intended for grant (clean copy)
Search/Exam
Jun 27, 2018
Apr 25, 2018
Examination started
Search/Exam
Dec 21, 2017
(Electronic) Receipt
Search/Exam
Dec 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Jul 3, 2017
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European search opinion
Search/Exam
May 29, 2017
European search report
Search/Exam
May 29, 2017
Information on Search Strategy
Search/Exam
Apr 20, 2017
Search started
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Sep 14, 2011
Notification of forthcoming publication
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Apr 15, 2011
Letter accompanying subsequently filed items
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Apr 15, 2011
Priority document
Search/Exam
Mar 24, 2011
Abstract
Search/Exam
Mar 24, 2011
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Claims
Search/Exam
Mar 24, 2011
Description
Search/Exam
Mar 24, 2011
Designation of inventor
Search/Exam
Mar 24, 2011
Designation of inventor
Search/Exam
Mar 24, 2011
Designation of inventor
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Mar 24, 2011
Designation of inventor
Search/Exam
Mar 24, 2011
Drawings
Search/Exam
Mar 24, 2011
Priority search results
Search/Exam
Mar 24, 2011
Request for grant of a European patent
Search/Exam