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The patent EP3205550 was granted to Dellner Couplers on Apr 17, 2024. The application was filed on Feb 10, 2016 under application number EP16000327A. 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 |
|---|---|---|---|
| VOITH PATENT | Dec 23, 2021 | DR WEITZEL & PARTNER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102008030284 |
| DESCRIPTION | EP0407953 |
| DESCRIPTION | EP1407953 |
| DESCRIPTION | EP2886413 |
| DESCRIPTION | US2009151595 |
| OPPOSITION | DE20009859U |
| OPPOSITION | DE3421166 |
| OPPOSITION | EP1407953 |
| OPPOSITION | EP1925523 |
| OPPOSITION | WO2016174135 |
| SEARCH | DE102008030284 |
| SEARCH | EP0947410 |
| SEARCH | EP1407953 |
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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Description
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Decision to grant a European patent
Search/Exam
Feb 9, 2021
(Electronic) Receipt
Search/Exam
Feb 9, 2021
Filing of the translations of the claims
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Feb 9, 2021
French translation of claims
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Feb 9, 2021
German translation of the claims
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Feb 9, 2021
Letter accompanying subsequently filed items
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Oct 28, 2020
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Intention to grant (signatures)
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Oct 28, 2020
Text intended for grant (clean copy)
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Oct 28, 2020
Oct 7, 2020
Examination started
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(Electronic) Receipt
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Jun 24, 2020
Enquiry as to the processing of the file
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Jun 24, 2020
Letter accompanying subsequently filed items
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Jun 15, 2018
Decision to allow further processing
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Jun 5, 2018
(Electronic) Receipt
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Jun 5, 2018
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Amended claims with annotations
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Amended description with annotations
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Jun 5, 2018
Letter accompanying subsequently filed items
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Jun 5, 2018
Request for further processing
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Mar 28, 2018
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(Electronic) Receipt
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Feb 15, 2018
Letter accompanying subsequently filed items
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Feb 15, 2018
Matter concerning the application
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Aug 21, 2017
Jul 19, 2017
Notification of forthcoming publication
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Feb 22, 2017
Communication to designated inventor
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Feb 20, 2017
Letter concerning the inventor
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Feb 15, 2017
Designation of inventor
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Jan 20, 2017
Payment of fees and costs
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Aug 18, 2016
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European search opinion
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Aug 18, 2016
European search report
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Aug 18, 2016
Information on Search Strategy
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Aug 4, 2016
Search started
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Apr 15, 2016
Drawings
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Apr 15, 2016
Mar 21, 2016
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Deficiency in designation of inventor
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Mar 4, 2016
Payment of fees and costs
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Mar 1, 2016
Payment of fees and costs
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Mar 1, 2016
Payment of fees and costs
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Feb 17, 2016
Abstract
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Feb 17, 2016
Claims
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Feb 17, 2016
Description
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Feb 17, 2016
Drawings
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Feb 17, 2016
Request for grant of a European patent
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Feb 10, 2016
Abstract
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Feb 10, 2016
Claims
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Feb 10, 2016
Description
Search/Exam
Feb 10, 2016
Drawings
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Feb 10, 2016
Request for grant of a European patent
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