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The patent EP3517010 was granted to Josef Krnzle on Jun 9, 2021. The application was filed on Jan 24, 2019 under application number EP19153411A. 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 |
|---|---|---|---|
| ALFRED KARCHER | Mar 7, 2022 | HOEGER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102004051968 |
| OPPOSITION | DE19635337 |
| SEARCH | DE19635337 |
| SEARCH | US2010242220 |
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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Dec 23, 2025
Dec 19, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Oct 14, 2024
Oct 9, 2024
(Electronic) Receipt
Appeal
Oct 9, 2024
Oct 9, 2024
Oct 9, 2024
Reply to appeal
Appeal
Jun 10, 2024
Jun 5, 2024
(Electronic) Receipt
Appeal
Jun 5, 2024
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Mar 1, 2024
(Electronic) Receipt
Appeal
Mar 1, 2024
Notice of appeal
Appeal
Mar 1, 2024
Notice of appeal
Appeal
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OPPO
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Jun 22, 2021
May 14, 2021
Decision to grant a European patent
Search/Exam
May 4, 2021
(Electronic) Receipt
Search/Exam
May 4, 2021
English translation of the claims
Search/Exam
May 4, 2021
Filing of the translations of the claims
Search/Exam
May 4, 2021
French translation of claims
Search/Exam
May 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 12, 2021
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Text intended for grant (clean copy)
Search/Exam
Mar 12, 2021
Mar 11, 2021
Intention to grant (signatures)
Search/Exam
Feb 17, 2021
Examination started
Search/Exam
Oct 13, 2020
Sep 30, 2020
(Electronic) Receipt
Search/Exam
Sep 30, 2020
Enquiry as to the processing of the file
Search/Exam
Sep 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 12, 2019
(Electronic) Receipt
Search/Exam
Aug 12, 2019
Aug 12, 2019
Amended claims with annotations
Search/Exam
Aug 12, 2019
Aug 12, 2019
Amended description with annotations
Search/Exam
Aug 12, 2019
Amendments received before examination
Search/Exam
Aug 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 12, 2019
Written request for examination
Search/Exam
Aug 5, 2019
Jul 3, 2019
Notification of forthcoming publication
Search/Exam
Apr 11, 2019
Apr 11, 2019
European search opinion
Search/Exam
Apr 11, 2019
European search report
Search/Exam
Apr 11, 2019
Information on Search Strategy
Search/Exam
Apr 2, 2019
Search started
Search/Exam
Mar 19, 2019
Communication to designated inventor
Search/Exam
Feb 11, 2019
Annex
Search/Exam
Feb 11, 2019
Letter concerning the priority
Search/Exam
Feb 11, 2019
Priority document
Search/Exam
Jan 24, 2019
Abstract
Search/Exam
Jan 24, 2019
Jan 24, 2019
Claims
Search/Exam
Jan 24, 2019
Description
Search/Exam
Jan 24, 2019
Designation of inventor
Search/Exam
Jan 24, 2019
Drawings
Search/Exam
Jan 24, 2019
Priority search results
Search/Exam
Jan 24, 2019
Request for grant of a European patent
Search/Exam