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The patent EP3069647 was granted to Kalle on May 12, 2021. The application was filed on Mar 17, 2016 under application number EP16160849A. 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 |
|---|---|---|---|
| CARL FREUDENBERG | Feb 10, 2022 | REISER & PARTNER PATENTANWALTE MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102009013515 |
| DESCRIPTION | DE102010054009 |
| DESCRIPTION | DE102012004331 |
| DESCRIPTION | US2005060829 |
| OPPOSITION | DE102006005984 |
| OPPOSITION | DE102007050902 |
| OPPOSITION | DE102012004331 |
| OPPOSITION | EP0632990 |
| OPPOSITION | EP1693407 |
| OPPOSITION | EP2363024 |
| OPPOSITION | US2006123573 |
| OPPOSITION | US2009178223 |
| OPPOSITION | US2540906 |
| OPPOSITION | US2671743 |
| OPPOSITION | US3197327 |
| OPPOSITION | WO9927835 |
| SEARCH | DE102006005984 |
| SEARCH | DE102012004331 |
| SEARCH | US2006123573 |
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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Jul 29, 2025
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(Electronic) Receipt
Appeal
May 20, 2025
May 20, 2025
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May 15, 2025
May 14, 2025
(Electronic) Receipt
Appeal
May 14, 2025
May 14, 2025
May 12, 2025
(Electronic) Receipt
Appeal
May 12, 2025
May 12, 2025
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Mar 21, 2024
(Electronic) Receipt
Appeal
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
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Mar 21, 2024
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Mar 21, 2024
Mar 21, 2024
Reply to appeal
Appeal
Dec 6, 2023
Dec 1, 2023
(Electronic) Receipt
Appeal
Dec 1, 2023
Dec 1, 2023
Dec 1, 2023
Dec 1, 2023
Oct 5, 2023
Oct 5, 2023
Sep 26, 2023
(Electronic) Receipt
Appeal
Sep 26, 2023
Sep 26, 2023
Notice of appeal
Appeal
Aug 7, 2023
Aug 2, 2023
Aug 2, 2023
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Means of redress
OPPO
Aug 2, 2023
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Description
OPPO
Apr 20, 2023
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Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
May 26, 2021
Apr 15, 2021
Decision to grant a European patent
Search/Exam
Feb 22, 2021
Feb 16, 2021
(Electronic) Receipt
Search/Exam
Feb 16, 2021
Filing of the translations of the claims
Search/Exam
Feb 16, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2021
Jan 13, 2021
Jan 13, 2021
Intention to grant (signatures)
Search/Exam
Jan 13, 2021
Text intended for grant (clean copy)
Search/Exam
Jan 13, 2021
Nov 27, 2020
(Electronic) Receipt
Search/Exam
Nov 27, 2020
English translation of the claims
Search/Exam
Nov 27, 2020
French translation of claims
Search/Exam
Nov 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 27, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Intention to grant (signatures)
Search/Exam
Aug 6, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 6, 2020
Apr 17, 2019
Refund of fees
Search/Exam
Apr 15, 2019
Decision to allow further processing
Search/Exam
Apr 8, 2019
(Electronic) Receipt
Search/Exam
Apr 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2019
Request for further processing
Search/Exam
Apr 5, 2019
Apr 1, 2019
(Electronic) Receipt
Search/Exam
Apr 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 1, 2019
Apr 1, 2019
Nov 8, 2018
Annex to the communication
Search/Exam
Nov 8, 2018
Communication from the Examining Division
Search/Exam
Oct 31, 2018
Examination started
Search/Exam
Mar 10, 2017
(Electronic) Receipt
Search/Exam
Mar 10, 2017
Mar 10, 2017
Amended claims with annotations
Search/Exam
Mar 10, 2017
Mar 10, 2017
Amended description with annotations
Search/Exam
Mar 10, 2017
Amendments received before examination
Search/Exam
Mar 10, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 26, 2016
Aug 24, 2016
Notification of forthcoming publication
Search/Exam
Jul 19, 2016
Jul 19, 2016
European search opinion
Search/Exam
Jul 19, 2016
European search report
Search/Exam
Jul 19, 2016
Information on Search Strategy
Search/Exam
Jul 11, 2016
Search started
Search/Exam
Jun 10, 2016
Communication to designated inventor
Search/Exam
Jun 10, 2016
Communication to designated inventor
Search/Exam
Jun 10, 2016
Communication to designated inventor
Search/Exam
Apr 16, 2016
Designation of inventor
Search/Exam
Apr 16, 2016
Letter concerning the priority
Search/Exam
Apr 16, 2016
Priority document
Search/Exam
Mar 17, 2016
Abstract
Search/Exam
Mar 17, 2016
Mar 17, 2016
Claims
Search/Exam
Mar 17, 2016
Description
Search/Exam
Mar 17, 2016
Drawings
Search/Exam
Mar 17, 2016
Priority search results
Search/Exam
Mar 17, 2016
Request for grant of a European patent
Search/Exam