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The patent EP3545266 was granted to Wint WI on Apr 26, 2023. The application was filed on Nov 22, 2017 under application number EP17817137A. 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 |
|---|---|---|---|
| HANS SASSERATH | Jan 24, 2024 | WEISSE | ADMISSIBLE |
| MICAS | Jan 22, 2024 | STEINIGER | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | GB2228336 |
| INTERNATIONAL-SEARCH-REPORT | GB2442760 |
| INTERNATIONAL-SEARCH-REPORT | US2008295895 |
| INTERNATIONAL-SEARCH-REPORT | US2013103215 |
| INTERNATIONAL-SEARCH-REPORT | US2016116303 |
| INTERNATIONAL-SEARCH-REPORT | US2016150298 |
| INTERNATIONAL-SEARCH-REPORT | WO2016040989 |
| OPPOSITION | DE102006036518 |
| OPPOSITION | DE102014113212 |
| OPPOSITION | JP2007226283 |
| OPPOSITION | US2006174707 |
| OPPOSITION | US2008295895 |
| OPPOSITION | US2013179096 |
| OPPOSITION | US2016116303 |
| OPPOSITION | US2016150298 |
| OPPOSITION | US2016161940 |
| OPPOSITION | US2016349140 |
| OPPOSITION | US2017089047 |
| OPPOSITION | US5056554 |
| OPPOSITION | US6625549 |
| OPPOSITION | US6963808 |
| OPPOSITION | US9749792 |
| OPPOSITION | WO2016040989 |
| OTHER | EP0896212 |
| OTHER | EP1977209 |
| OTHER | EP2940447 |
| OTHER | WO0104596 |
| OTHER | WO0195277 |
| OTHER | WO2008150411 |
| OTHER | WO2010144100 |
| OTHER | WO2012098038 |
| OTHER | WO2014029699 |
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
Jan 4, 2023
Nov 25, 2022
(Electronic) Receipt
Search/Exam
Nov 25, 2022
French translation of claims
Search/Exam
Nov 25, 2022
German translation of the claims
Search/Exam
Nov 25, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2022
Intention to grant (signatures)
Search/Exam
Jul 27, 2022
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Text intended for grant (clean copy)
Search/Exam
Jul 27, 2022
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Oct 21, 2021
(Electronic) Receipt
Search/Exam
Oct 21, 2021
Amended claims with annotations
Search/Exam
Oct 21, 2021
Amended description with annotations
Search/Exam
Oct 21, 2021
Claims
Search/Exam
Oct 21, 2021
Description
Search/Exam
Oct 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2021
Jun 25, 2021
Annex to the communication
Search/Exam
Jun 25, 2021
Communication from the Examining Division
Search/Exam
Mar 18, 2021
(Electronic) Receipt
Search/Exam
Mar 18, 2021
Amended claims with annotations
Search/Exam
Mar 18, 2021
Claims
Search/Exam
Mar 18, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2021
Mar 8, 2021
(Electronic) Receipt
Search/Exam
Mar 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2021
Jan 13, 2021
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(Electronic) Receipt
Search/Exam
Jan 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 6, 2021
Oct 30, 2020
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Oct 24, 2020
(Electronic) Receipt
Search/Exam
Oct 24, 2020
Citation filed by a third party
Search/Exam
Oct 24, 2020
Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
Search/Exam
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Citation filed by a third party
Search/Exam
Oct 24, 2020
Citation filed by a third party
Search/Exam
Oct 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 24, 2020
Non-patent literature filed by a third party
Search/Exam
Oct 24, 2020
Non-patent literature filed by a third party
Search/Exam
Oct 24, 2020
Non-patent literature filed by a third party
Search/Exam
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Non-patent literature filed by a third party
Search/Exam
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Non-patent literature filed by a third party
Search/Exam
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Non-patent literature filed by a third party
Search/Exam
Oct 24, 2020
Non-patent literature filed by a third party
Search/Exam
Oct 24, 2020
Observations by third parties
Search/Exam
Sep 9, 2020
Annex to the communication
Search/Exam
Sep 9, 2020
Communication from the Examining Division
Search/Exam
Aug 27, 2020
Examination started
Search/Exam
Jan 27, 2020
(Electronic) Receipt
Search/Exam
Jan 27, 2020
Jan 27, 2020
Amended claims with annotations
Search/Exam
Jan 27, 2020
Amendments received before examination
Search/Exam
Jan 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 1, 2019
Sep 24, 2019
Letter which had not been notified
Search/Exam
Sep 4, 2019
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Refund of fees
Search/Exam
Jul 1, 2019
Notice on debiting of fees
Search/Exam
Jun 28, 2019
Communication to designated inventor
Search/Exam
Jun 28, 2019
Communication to designated inventor
Search/Exam
Jun 28, 2019
Communication to designated inventor
Search/Exam
Jun 28, 2019
Communication to designated inventor
Search/Exam
Jun 28, 2019
Communication to designated inventor
Search/Exam
Jun 28, 2019
Communication to designated inventor
Search/Exam
Jun 28, 2019
Communication to designated inventor
Search/Exam
Jun 19, 2019
(Electronic) Receipt
Search/Exam
Jun 19, 2019
Request for entry into the European phase
Search/Exam
Jun 12, 2019
Apr 5, 2019
Information on entry into European phase
Search/Exam
Jun 26, 2018
May 31, 2018
Copy of the international search report
Search/Exam
May 31, 2018
Published international application - A1
Search/Exam
Feb 9, 2018
ISR: cited documents
PCTISA
Feb 8, 2018
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Jan 5, 2018
Dec 8, 2017
Abstract
PCTISA
Dec 8, 2017
Claims
PCTISA
Dec 8, 2017
Description
PCTISA
Dec 8, 2017
Drawings
PCTISA
Dec 8, 2017