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The patent EP3290578 was granted to Herbert Kannegiesser on Apr 26, 2023. The application was filed on Aug 10, 2017 under application number EP17001365A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| JENSEN DENMARK | Jan 26, 2024 | ZACCO | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102008028120 |
| OPPOSITION | DE102013210996 |
| OPPOSITION | EP0775771 |
| OPPOSITION | EP2113606 |
| OPPOSITION | EP2128329 |
| OPPOSITION | EP2444544 |
| OPPOSITION | EP2789730 |
| OPPOSITION | EP3290578 |
| SEARCH | DE102008028120 |
| SEARCH | DE102013210996 |
| SEARCH | EP0775771 |
| SEARCH | EP2113606 |
| SEARCH | EP2444544 |
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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Letter accompanying subsequently filed items
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Dec 13, 2023
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Mar 30, 2023
Decision to grant a European patent
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Mar 16, 2023
(Electronic) Receipt
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Mar 16, 2023
English translation of the claims
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Mar 16, 2023
Filing of the translations of the claims
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Mar 16, 2023
French translation of claims
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Mar 16, 2023
Letter accompanying subsequently filed items
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Dec 6, 2022
Change to the inventor details
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Dec 1, 2022
Letter concerning the inventor
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Nov 22, 2022
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Intention to grant (signatures)
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Nov 22, 2022
Text intended for grant (clean copy)
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Nov 22, 2022
Jun 15, 2021
(Electronic) Receipt
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Jun 15, 2021
Amended claims with annotations
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Jun 15, 2021
Claims
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Jun 15, 2021
Jun 15, 2021
Letter accompanying subsequently filed items
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Jun 15, 2021
Jun 9, 2021
(Electronic) Receipt
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Jun 9, 2021
Letter accompanying subsequently filed items
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Jun 9, 2021
Apr 7, 2021
Annex to a communication
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Apr 7, 2021
Annex to the communication
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Apr 7, 2021
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Mar 24, 2021
Examination started
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Sep 18, 2018
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Sep 6, 2018
Claims
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Sep 6, 2018
Claims
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Sep 6, 2018
Matter concerning the application
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Sep 5, 2018
Sep 5, 2018
Amended claims with annotations
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Sep 5, 2018
Amendments received before examination
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Sep 4, 2018
Written request for examination
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Mar 12, 2018
Feb 7, 2018
Notification of forthcoming publication
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Jan 18, 2018
Jan 18, 2018
European search opinion
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Jan 18, 2018
European search report
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Jan 18, 2018
Information on Search Strategy
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Jan 9, 2018
Search started
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Oct 4, 2017
Communication to designated inventor
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Oct 4, 2017
Communication to designated inventor
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Communication to designated inventor
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Oct 4, 2017
Communication to designated inventor
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Sep 7, 2017
Letter concerning the priority
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Sep 7, 2017
Priority document
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Sep 7, 2017
Priority document
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Aug 10, 2017
Abstract
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Aug 10, 2017
Claims
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Aug 10, 2017
Description
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Aug 10, 2017
Designation of inventor
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Aug 10, 2017
Drawings
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Aug 10, 2017
Payment of fees and costs
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Aug 10, 2017
Request for grant of a European patent
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Aug 10, 2017
Submission concerning representation
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