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The patent EP3452790 was granted to Hannecard on Dec 16, 2020. The application was filed on May 4, 2017 under application number EP17728262A. 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 |
|---|---|---|---|
| FELIX BOTTCHER | Sep 13, 2021 | DOMPATENT VON KREISLER SELTING WERNER | ADMISSIBLE |
| FELIX BOTTCHER | Sep 13, 2021 | DOMPATENT VON PATENT UND RECHTSANWALTEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10040356 |
| DESCRIPTION | DE69809751T |
| DESCRIPTION | EP1653207 |
| DESCRIPTION | EP2392728 |
| DESCRIPTION | WO9905486 |
| EXAMINATION | EP0671289 |
| EXAMINATION | EP0925959 |
| EXAMINATION | EP1958796 |
| EXAMINATION | US2002092346 |
| EXAMINATION | WO2004016454 |
| EXAMINATION | WO9522467 |
| INTERNATIONAL-SEARCH-REPORT | DE10040356 |
| INTERNATIONAL-SEARCH-REPORT | DE69809751T |
| INTERNATIONAL-SEARCH-REPORT | EP1653207 |
| INTERNATIONAL-SEARCH-REPORT | EP2392728 |
| OPPOSITION | DE10040356 |
| OPPOSITION | DE10112512 |
| OPPOSITION | DE202012012490U |
| OPPOSITION | DE69809751T |
| OPPOSITION | EP0671289 |
| OPPOSITION | EP0870614 |
| OPPOSITION | EP0925959 |
| OPPOSITION | EP1653207 |
| OPPOSITION | EP1958796 |
| OPPOSITION | EP2392728 |
| OPPOSITION | US2002092346 |
| OPPOSITION | WO2004016454 |
| OPPOSITION | WO2010142029 |
| OPPOSITION | WO2015042661 |
| OPPOSITION | WO9522467 |
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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Decision to grant a European patent
Search/Exam
Nov 9, 2020
Nov 9, 2020
Nov 9, 2020
Intention to grant (signatures)
Search/Exam
Nov 9, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 9, 2020
Oct 28, 2020
(Electronic) Receipt
Search/Exam
Oct 28, 2020
Amended claims with annotations
Search/Exam
Oct 28, 2020
Claims
Search/Exam
Oct 28, 2020
French translation of claims
Search/Exam
Oct 28, 2020
German translation of the claims
Search/Exam
Oct 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 28, 2020
Oct 27, 2020
Oct 23, 2020
(Electronic) Receipt
Search/Exam
Oct 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2020
Oct 23, 2020
Translation of the claims
Search/Exam
Oct 23, 2020
Translation of the claims
Search/Exam
Jun 30, 2020
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Jun 30, 2020
Intention to grant (signatures)
Search/Exam
Jun 30, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 30, 2020
Jun 5, 2020
(Electronic) Receipt
Search/Exam
Jun 5, 2020
Amended claims with annotations
Search/Exam
Jun 5, 2020
Claims
Search/Exam
Jun 5, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 5, 2020
Apr 6, 2020
Annex to the communication
Search/Exam
Apr 6, 2020
Apr 6, 2020
Jan 31, 2020
(Electronic) Receipt
Search/Exam
Jan 31, 2020
Amended claims with annotations
Search/Exam
Jan 31, 2020
Claims
Search/Exam
Jan 31, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2020
Oct 4, 2019
Annex to the communication
Search/Exam
Oct 4, 2019
Communication from the Examining Division
Search/Exam
Aug 6, 2019
Examination started
Search/Exam
Feb 13, 2019
Dec 21, 2018
Dec 18, 2018
Dec 14, 2018
Dec 12, 2018
Communication to designated inventor
Search/Exam
Dec 12, 2018
Communication to designated inventor
Search/Exam
Dec 4, 2018
(Electronic) Receipt
Search/Exam
Dec 4, 2018
Request for entry into the European phase
Search/Exam
Nov 15, 2018
Nov 15, 2018
Sep 14, 2018
Information on entry into European phase
Search/Exam
Apr 4, 2018
Notification of election of EPO
Search/Exam
Mar 29, 2018
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PCT demand form
PCT2
Mar 2, 2018
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Nov 27, 2017
Nov 9, 2017
Copy of the international search report
Search/Exam
Nov 9, 2017
Published international application - A1
Search/Exam
Sep 21, 2017
ISR: cited documents
PCTISA
Sep 20, 2017
Sep 20, 2017
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Jul 26, 2017
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Annex
PCTISA
Jul 21, 2017
Annex
PCTISA
Jul 21, 2017
Jun 20, 2017
Jun 13, 2017
Jun 13, 2017
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Jun 9, 2017
Abstract
PCTISA
Jun 9, 2017
Claims
PCTISA
Jun 9, 2017
Description
PCTISA
Jun 9, 2017
Jan 31, 2017
Priority search results copy provided by EPO
Search/Exam