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The patent EP2455277 was granted to AL KO Kober on Aug 9, 2023. The application was filed on Jun 24, 2009 under application number EP12154693A. 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 |
|---|---|---|---|
| REICH REGEL UND SICHERHEITSTECHNIK | Apr 17, 2020 | HOFSTETTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE9304926U |
| DESCRIPTION | EP0479115 |
| DESCRIPTION | EP0827898 |
| DESCRIPTION | EP1394024 |
| DESCRIPTION | EP1714859 |
| DESCRIPTION | EP1764274 |
| DESCRIPTION | EP1842754 |
| DESCRIPTION | EP1894822 |
| EXAMINATION | EP1679251 |
| EXAMINATION | EP1826107 |
| EXAMINATION | US2007272452 |
| EXAMINATION | US6758291 |
| OPPOSITION | EP1679251 |
| OPPOSITION | EP1826107 |
| OPPOSITION | EP1894822 |
| OPPOSITION | EP2138387 |
| OPPOSITION | US4860841 |
| OPPOSITION | US6758291 |
| SEARCH | DE19932118 |
| SEARCH | EP1894822 |
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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OPPO
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Jul 29, 2019
Jun 21, 2019
Decision to grant a European patent
Search/Exam
Jun 6, 2019
(Electronic) Receipt
Search/Exam
Jun 6, 2019
English translation of the claims
Search/Exam
Jun 6, 2019
Filing of the translations of the claims
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Jun 6, 2019
French translation of claims
Search/Exam
Jun 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 28, 2019
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Intention to grant (signatures)
Search/Exam
Feb 28, 2019
Text intended for grant (clean copy)
Search/Exam
Feb 28, 2019
Feb 7, 2019
Examination started
Search/Exam
May 17, 2018
Submission concerning representation
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Dec 22, 2017
Dec 5, 2017
(Electronic) Receipt
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Dec 5, 2017
Enquiry as to the processing of the file
Search/Exam
Dec 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 27, 2017
Jun 26, 2017
Submission concerning representation
Search/Exam
Dec 7, 2015
Sep 24, 2015
Sep 15, 2015
Sep 15, 2015
Payment of fees and costs
Search/Exam
Sep 15, 2015
Jul 16, 2015
(Electronic) Receipt
Search/Exam
Jul 16, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 16, 2015
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 26, 2015
Dec 19, 2014
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European search opinion
Search/Exam
Dec 19, 2014
European search report
Search/Exam
Dec 8, 2014
Search started
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Aug 12, 2014
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Communication to designated inventor
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Oct 18, 2013
Communication to designated inventor
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Oct 9, 2013
Letter concerning the inventor
Search/Exam
Aug 10, 2012
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Jul 12, 2012
Letter which had not been notified
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Jun 12, 2012
May 31, 2012
Letter which had not been notified
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Apr 25, 2012
Notification of forthcoming publication
Search/Exam
Feb 9, 2012
Abstract
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Feb 9, 2012
Feb 9, 2012
Claims
Search/Exam
Feb 9, 2012
Description
Search/Exam
Feb 9, 2012
Designation of inventor
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Feb 9, 2012
Designation of inventor
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Designation of inventor
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Designation of inventor
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Designation of inventor
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Feb 9, 2012
Drawings
Search/Exam
Feb 9, 2012
Priority search results
Search/Exam
Feb 9, 2012
Request for grant of a European patent
Search/Exam
Sep 10, 2009
Priority document
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Sep 10, 2009
Priority document
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Sep 10, 2009
Priority document
Search/Exam