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The patent EP3697589 was granted to Otto Mnner on Jun 7, 2023. The application was filed on Oct 16, 2018 under application number EP18789591A. 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 |
|---|---|---|---|
| GUNTHER HEISSKANALTECHNIK | Mar 6, 2024 | PATENTANWALTE OLBRICHT BUCHHOLD KEULERTZ | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2013075375 |
| DESCRIPTION | KR20150029440 |
| DESCRIPTION | US2007054004 |
| DESCRIPTION | US2010320632 |
| DESCRIPTION | US2013095200 |
| DESCRIPTION | US5571539 |
| DESCRIPTION | WO2014182187 |
| EXAMINATION | DE102006009947 |
| EXAMINATION | JPH06328458 |
| EXAMINATION | WO0128752 |
| EXAMINATION | WO2010054128 |
| EXAMINATION | WO2018122421 |
| INTERNATIONAL-SEARCH-REPORT | EP1927912 |
| INTERNATIONAL-SEARCH-REPORT | US2004139810 |
| INTERNATIONAL-SEARCH-REPORT | US2006082009 |
| INTERNATIONAL-SEARCH-REPORT | US2008314781 |
| INTERNATIONAL-SEARCH-REPORT | US2009287342 |
| INTERNATIONAL-SEARCH-REPORT | US2014046465 |
| INTERNATIONAL-SEARCH-REPORT | WO2012159207 |
| OPPOSITION | DE102006009947 |
| OPPOSITION | DE69332940T |
| OPPOSITION | EP1927912 |
| OPPOSITION | JPH06328458 |
| OPPOSITION | KR20140050225 |
| OPPOSITION | US2004076702 |
| OPPOSITION | US2004139810 |
| OPPOSITION | US2006082009 |
| OPPOSITION | US2008314781 |
| OPPOSITION | US2009287341 |
| OPPOSITION | US2010320632 |
| OPPOSITION | US2011316180 |
| OPPOSITION | US2014046465 |
| OPPOSITION | US2015014887 |
| OPPOSITION | US2016236392 |
| OPPOSITION | US2017024178 |
| OPPOSITION | WO0128752 |
| OPPOSITION | WO2010054128 |
| OPPOSITION | WO2012159207 |
| OPPOSITION | WO2018122421 |
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 20, 2025
Jan 20, 2025
Oct 25, 2024
Payment submission rejected
Search/Exam
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Decision to grant a European patent
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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
German translation of the claims
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Mar 16, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Nov 16, 2022
Text intended for grant (clean copy)
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Nov 16, 2022
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Abstract
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Abstract
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Amended claims with annotations
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Claims
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Amended claims with annotations
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Annex
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Jun 6, 2022
Claims
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Jun 6, 2022
Description
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Document concerning representation
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Intention to grant (signatures)
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Feb 8, 2022
Text intended for grant (clean copy)
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Oct 12, 2021
Amended claims with annotations
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Oct 12, 2021
Claims
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Oct 12, 2021
Jun 2, 2021
Annex to the communication
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Jun 2, 2021
Communication from the Examining Division
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May 27, 2021
Examination started
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Mar 1, 2021
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Nov 30, 2020
Refund of fees
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Nov 23, 2020
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Amended claims with annotations
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Nov 23, 2020
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Amendments received before examination
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Jul 29, 2020
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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May 1, 2020
(Electronic) Receipt
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May 1, 2020
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Request for entry into the European phase
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Feb 28, 2020
Information on entry into European phase
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May 20, 2019
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Copy of the international search report
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Apr 25, 2019
Published international application - A1
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(Electronic) Receipt
PCTRO
Oct 16, 2018
Abstract
PCTRO
Oct 16, 2018
Claims
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Oct 16, 2018
Description
PCTRO
Oct 16, 2018
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Drawings
PCTRO
Oct 16, 2018