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The patent EP2896433 was granted to Kidde on Jul 5, 2017. The application was filed on Jan 12, 2011 under application number EP15156508A. 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 |
|---|---|---|---|
| WAGNER GROUP | Apr 5, 2018 | GOTZ | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE1954005 |
| OPPOSITION | US4199029 |
| OPPOSITION | WO03068323 |
| SEARCH | WO03068323 |
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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Means of redress
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General enquiry
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Annex
OPPO
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Claims
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Claims
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Claims
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Claims
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Nov 28, 2019
Claims
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Nov 28, 2019
Description
OPPO
Nov 28, 2019
Description
OPPO
Nov 28, 2019
Description
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Authorisation
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Claims
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Jul 6, 2017
Jun 9, 2017
Decision to grant a European patent
Search/Exam
May 25, 2017
(Electronic) Receipt
Search/Exam
May 25, 2017
Filing of the translations of the claims
Search/Exam
May 25, 2017
French translation of claims
Search/Exam
May 25, 2017
German translation of the claims
Search/Exam
May 25, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2017
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Intention to grant (signatures)
Search/Exam
Mar 23, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 23, 2017
Mar 2, 2017
Examination started
Search/Exam
Nov 30, 2015
(Electronic) Receipt
Search/Exam
Nov 30, 2015
Nov 30, 2015
Amended claims with annotations
Search/Exam
Nov 30, 2015
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Amended description with annotations
Search/Exam
Nov 30, 2015
Amendments received before examination
Search/Exam
Nov 30, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2015
Jul 1, 2015
Refund of fees
Search/Exam
Jun 24, 2015
Notification of forthcoming publication
Search/Exam
Jun 22, 2015
Communication to designated inventor
Search/Exam
Jun 15, 2015
(Electronic) Receipt
Search/Exam
Jun 15, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 15, 2015
Letter concerning the inventor
Search/Exam
Jun 9, 2015
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European search opinion
Search/Exam
Jun 5, 2015
European search report
Search/Exam
Jun 2, 2015
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Letter which had not been notified
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May 26, 2015
Letter which had not been notified
Search/Exam
Apr 20, 2015
Communication to designated inventor
Search/Exam
Apr 20, 2015
Communication to designated inventor
Search/Exam
Apr 20, 2015
Communication to designated inventor
Search/Exam
Apr 20, 2015
Communication to designated inventor
Search/Exam
Apr 20, 2015
Communication to designated inventor
Search/Exam
Apr 20, 2015
Communication to designated inventor
Search/Exam
Mar 30, 2015
(Electronic) Receipt
Search/Exam
Mar 30, 2015
Designation of inventor
Search/Exam
Mar 30, 2015
Letter accompanying subsequently filed items
Search/Exam
Mar 19, 2015
Deficiency in designation of inventor
Search/Exam
Mar 19, 2015
Modified abstract
Search/Exam
Mar 19, 2015
Search started
Search/Exam
Feb 25, 2015
Abstract
Search/Exam
Feb 25, 2015
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Claims
Search/Exam
Feb 25, 2015
Description
Search/Exam
Feb 25, 2015
Drawings
Search/Exam
Feb 25, 2015
Request for grant of a European patent
Search/Exam
Mar 14, 2011