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The patent EP3930936 was granted to Schnell on Dec 20, 2023. The application was filed on Feb 25, 2020 under application number EP20713986A. 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 |
|---|---|---|---|
| SCHLATTER INDUSTRIES | Sep 18, 2024 | KELLER SCHNEIDER PATENT UND MARKENANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE19750816 |
| INTERNATIONAL-SEARCH-REPORT | JPH05337582 |
| INTERNATIONAL-SEARCH-REPORT | JPS5973090U |
| INTERNATIONAL-SEARCH-REPORT | WO2017183010 |
| OPPOSITION | CN206966522U |
| OPPOSITION | DE19503850 |
| OPPOSITION | EP0143960 |
| OPPOSITION | EP3346230 |
| OPPOSITION | US5309746 |
| OPPOSITION | US6769279 |
| OPPOSITION | WO2016063256 |
| OPPOSITION | WO2017183010 |
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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Means of redress
OPPO
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Description
OPPO
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Decision to grant a European patent
Search/Exam
Nov 10, 2023
(Electronic) Receipt
Search/Exam
Nov 10, 2023
Filing of the translations of the claims
Search/Exam
Nov 10, 2023
French translation of claims
Search/Exam
Nov 10, 2023
German translation of the claims
Search/Exam
Sep 28, 2023
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Intention to grant (signatures)
Search/Exam
Sep 28, 2023
Text intended for grant (clean copy)
Search/Exam
Sep 28, 2023
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(Electronic) Receipt
Search/Exam
Apr 27, 2023
Amended claims with annotations
Search/Exam
Apr 27, 2023
Claims
Search/Exam
Apr 27, 2023
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Summary of subsequently filed documents
Search/Exam
Feb 20, 2023
Feb 15, 2023
(Electronic) Receipt
Search/Exam
Feb 15, 2023
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Annex to the communication
Search/Exam
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ISR: cover sheet
OPPO
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Mar 28, 2020
Abstract
OPPO
Mar 28, 2020
Claims
OPPO
Mar 28, 2020
Description
OPPO
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Drawings
OPPO
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