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The patent EP2792571 was granted to Voith Patent on Jun 26, 2019. The application was filed on Apr 15, 2014 under application number EP14164672A. 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 |
|---|---|---|---|
| DELLNER COUPLERS | Mar 17, 2020 | KLUNKER PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1963161 |
| EXAMINATION | EP2145809 |
| OPPOSITION | DE102007026407 |
| OPPOSITION | DE102009020428 |
| OPPOSITION | DE102011121933 |
| OPPOSITION | EP2212179 |
| OPPOSITION | KR20100083442 |
| OPPOSITION | US2003030565 |
| OPPOSITION | US2003182030 |
| OPPOSITION | US2011282540 |
| OPPOSITION | US7845504 |
| OPPOSITION | WO2007073273 |
| SEARCH | DE102009020428 |
| SEARCH | US2003030565 |
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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Jan 23, 2024
Refund of fees
Appeal
Jan 22, 2024
Advice of delivery
Appeal
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Oct 31, 2023
Authorisation
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(Electronic) Receipt
Appeal
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Reply to appeal
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Jun 30, 2022
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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Decision to grant a European patent
Search/Exam
May 15, 2019
(Electronic) Receipt
Search/Exam
May 15, 2019
English translation of the claims
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May 15, 2019
Filing of the translations of the claims
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May 15, 2019
French translation of claims
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May 15, 2019
Letter accompanying subsequently filed items
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Apr 1, 2019
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Intention to grant (signatures)
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Apr 1, 2019
Text intended for grant (clean copy)
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Apr 1, 2019
Nov 6, 2018
(Electronic) Receipt
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Nov 6, 2018
Amended claims with annotations
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Nov 6, 2018
Claims
Search/Exam
Nov 6, 2018
Letter accompanying subsequently filed items
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Nov 6, 2018
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Aug 30, 2018
May 25, 2018
Annex to the communication
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May 25, 2018
Communication from the Examining Division
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May 7, 2018
Examination started
Search/Exam
Feb 1, 2018
Feb 1, 2018
Jan 26, 2018
(Electronic) Receipt
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Jan 26, 2018
Letter accompanying subsequently filed items
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Jan 26, 2018
Observations by third parties
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Nov 22, 2017
Priority search results
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Nov 22, 2017
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Priority search results
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Nov 2, 2017
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(Electronic) Receipt
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Oct 19, 2017
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Amended claims with annotations
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Oct 19, 2017
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Oct 19, 2017
Letter accompanying subsequently filed items
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Apr 24, 2017
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European search opinion
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Mar 16, 2017
European search report
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Mar 16, 2017
Information on Search Strategy
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Feb 23, 2017
Search started
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Dec 9, 2015
CDS Clean up - amended applicant details
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Dec 5, 2015
Sep 24, 2014
Notification of forthcoming publication
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Jul 8, 2014
Communication to designated inventor
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Jul 8, 2014
Communication to designated inventor
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Jul 8, 2014
Communication to designated inventor
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Jun 23, 2014
Modified abstract
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May 21, 2014
Letter concerning the priority
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May 21, 2014
Priority document
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Apr 15, 2014
Abstract
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Apr 15, 2014
Apr 15, 2014
Claims
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Apr 15, 2014
Description
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Apr 15, 2014
Designation of inventor
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Apr 15, 2014
Designation of inventor
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Apr 15, 2014
Designation of inventor
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Apr 15, 2014
Drawings
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Apr 15, 2014
Request for grant of a European patent
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