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The patent EP2175133 was granted to General Electric on Sep 18, 2024. The application was filed on Oct 2, 2009 under application number EP09172035A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| IMO HOLDING | Jun 6, 2025 | SCHMIDT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE3725972 |
| OPPOSITION | DE19814629 |
| OPPOSITION | DE202007011577U |
| OPPOSITION | DE3725972 |
| OPPOSITION | DE4322729 |
| OPPOSITION | WO2006131301 |
| SEARCH | DE10344804 |
| SEARCH | DE2418056 |
| SEARCH | DE276385 |
| SEARCH | DE7501166U |
| SEARCH | EP0481632 |
| SEARCH | EP0940592 |
| SEARCH | GB1342233 |
| SEARCH | US1182370 |
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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Oct 1, 2024
Aug 22, 2024
Decision to grant a European patent
Search/Exam
Aug 7, 2024
(Electronic) Receipt
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Aug 7, 2024
Filing of the translations of the claims
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Aug 7, 2024
French translation of claims
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Aug 7, 2024
German translation of the claims
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Aug 7, 2024
Letter accompanying subsequently filed items
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Apr 16, 2024
Apr 16, 2024
Apr 16, 2024
Apr 16, 2024
Intention to grant (signatures)
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Apr 16, 2024
Text intended for grant (clean copy)
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Apr 16, 2024
Jan 31, 2024
(Electronic) Receipt
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Jan 31, 2024
Amended description with annotations
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Jan 31, 2024
Claims
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Jan 31, 2024
Description
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Jan 31, 2024
Letter accompanying subsequently filed items
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Jan 31, 2024
Nov 9, 2023
Nov 2, 2023
(Electronic) Receipt
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Nov 2, 2023
Annexes in respect of a client data request
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Nov 2, 2023
Annexes in respect of a client data request
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Nov 2, 2023
Annexes in respect of a client data request
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Nov 2, 2023
Letter accompanying subsequently filed items
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Nov 2, 2023
Letter concerning fees and payments
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Nov 2, 2023
Nov 2, 2023
Submission concerning representation
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Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Intention to grant (signatures)
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Oct 4, 2023
Text intended for grant (clean copy)
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Oct 4, 2023
Sep 18, 2023
Aug 14, 2023
(Electronic) Receipt
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Aug 14, 2023
Amended claims with annotations
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Aug 14, 2023
Amended claims with annotations
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Aug 14, 2023
Claims
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Aug 14, 2023
Claims
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Aug 14, 2023
Letter accompanying subsequently filed items
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Aug 14, 2023
May 8, 2023
Advice of delivery
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May 3, 2023
Acknowledgement of a document
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May 3, 2023
Annex to the communication
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May 3, 2023
Summons to attend oral proceedings
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Dec 17, 2020
(Electronic) Receipt
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Dec 17, 2020
Amended claims with annotations
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Dec 17, 2020
Claims
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Dec 17, 2020
Letter accompanying subsequently filed items
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Dec 17, 2020
Nov 9, 2020
Nov 3, 2020
(Electronic) Receipt
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Nov 3, 2020
Letter accompanying subsequently filed items
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Nov 3, 2020
Jun 24, 2020
Annex to the communication
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Jun 24, 2020
Communication from the Examining Division
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Jun 18, 2020
Examination started
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Apr 10, 2019
Apr 10, 2019
Apr 5, 2019
Apr 3, 2019
Mar 28, 2019
Aug 22, 2018
(Electronic) Receipt
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Aug 22, 2018
Aug 22, 2018
Amended claims with annotations
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Aug 22, 2018
Aug 22, 2018
Amended description with annotations
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Aug 22, 2018
Amendments received before examination
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Aug 22, 2018
Letter accompanying subsequently filed items
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Mar 5, 2018
Jan 25, 2018
Jan 25, 2018
European search opinion
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Jan 25, 2018
European search report
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Jan 25, 2018
Information on Search Strategy
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Jul 3, 2013
Jul 1, 2013
Submission concerning representation
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May 27, 2010
Mar 17, 2010
Notification of forthcoming publication
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Oct 23, 2009
Oct 12, 2009
Letter concerning the priority
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Oct 12, 2009
Priority document
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Oct 2, 2009
Abstract
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Oct 2, 2009
Oct 2, 2009
Claims
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Oct 2, 2009
Description
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Oct 2, 2009
Designation of inventor
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Oct 2, 2009
Designation of inventor
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Oct 2, 2009
Drawings
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Oct 2, 2009
Request for grant of a European patent
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