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The patent EP2447739 was granted to Sick on Sep 29, 2021. The application was filed on Oct 28, 2010 under application number EP10014091A. 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 |
|---|---|---|---|
| LEUZE ELECTRONIC | May 23, 2019 | RUCKH | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| SEARCH | DE10318764 |
| SEARCH | DE19808215 |
| SEARCH | DE19850270 |
| SEARCH | EP1512992 |
| SEARCH | EP1816488 |
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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Feb 18, 2019
Submission concerning representation
Search/Exam
Sep 17, 2018
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Decision to grant a European patent
Search/Exam
Jul 24, 2018
(Electronic) Receipt
Search/Exam
Jul 24, 2018
English translation of the claims
Search/Exam
Jul 24, 2018
Filing of the translations of the claims
Search/Exam
Jul 24, 2018
French translation of claims
Search/Exam
Jul 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 6, 2018
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Intention to grant (signatures)
Search/Exam
Apr 6, 2018
Text intended for grant (clean copy)
Search/Exam
Apr 6, 2018
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Submission concerning representation
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Sep 15, 2014
Amended claims with annotations
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Sep 15, 2014
Claims
Search/Exam
Sep 15, 2014
May 26, 2014
Annex to the communication
Search/Exam
May 26, 2014
Communication from the Examining Division
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Apr 28, 2014
Examination started
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Dec 12, 2013
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Notification of forthcoming publication
Search/Exam
Aug 23, 2011
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Amended description with annotations
Search/Exam
Aug 23, 2011
Amendments received before examination
Search/Exam
Aug 23, 2011
Letter concerning fees and payments
Search/Exam
Apr 29, 2011
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European search opinion
Search/Exam
Apr 29, 2011
European search report
Search/Exam
Nov 10, 2010
Drawings
Search/Exam
Nov 10, 2010
Matter concerning the application
Search/Exam
Oct 28, 2010
Abstract
Search/Exam
Oct 28, 2010
Annex
Search/Exam
Oct 28, 2010
Claims
Search/Exam
Oct 28, 2010
Description
Search/Exam
Oct 28, 2010
Designation of inventor
Search/Exam
Oct 28, 2010
Request for grant of a European patent
Search/Exam