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The patent EP2085613 was granted to Hammelmann on Aug 15, 2018. The application was filed on Jan 9, 2009 under application number EP09150286A. 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 |
|---|---|---|---|
| ALFRED KARCHER | May 15, 2019 | DTS PATENT UND RECHTSANWALTE PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Aug 27, 2018
Jul 19, 2018
Decision to grant a European patent
Search/Exam
Jul 5, 2018
(Electronic) Receipt
Search/Exam
Jul 5, 2018
English translation of the claims
Search/Exam
Jul 5, 2018
Filing of the translations of the claims
Search/Exam
Jul 5, 2018
French translation of claims
Search/Exam
Jul 5, 2018
Letter accompanying subsequently filed items
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May 17, 2018
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Intention to grant (signatures)
Search/Exam
May 17, 2018
Text intended for grant (clean copy)
Search/Exam
May 17, 2018
Jan 31, 2018
Amended claims with annotations
Search/Exam
Jan 31, 2018
Claims
Search/Exam
Jan 31, 2018
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Amended claims with annotations
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Jan 30, 2018
Claims
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Jan 30, 2018
Oct 5, 2017
Annex to the communication
Search/Exam
Oct 5, 2017
Communication from the Examining Division
Search/Exam
Sep 25, 2017
Examination started
Search/Exam
Jun 16, 2017
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Annexes in respect of a client data request
Search/Exam
May 11, 2017
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Amendments received before examination
Search/Exam
Jun 11, 2014
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Search/Exam
Jan 2, 2014
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European search opinion
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Nov 15, 2013
European search report
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Nov 6, 2013
Search started
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Jan 17, 2013
Payment of fees and costs
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Jan 20, 2012
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Submission concerning representation
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Jul 8, 2009
Notification of forthcoming publication
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Apr 3, 2009
Letter concerning the priority
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Apr 3, 2009
Priority document
Search/Exam
Jan 9, 2009
Abstract
Search/Exam
Jan 9, 2009
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Claims
Search/Exam
Jan 9, 2009
Description
Search/Exam
Jan 9, 2009
Designation of inventor
Search/Exam
Jan 9, 2009
Designation of inventor
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Jan 9, 2009
Drawings
Search/Exam
Jan 9, 2009
Request for grant of a European patent
Search/Exam