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The patent EP3698897 was granted to WTH Laqua on Dec 27, 2023. The application was filed on Feb 21, 2019 under application number EP19158511A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| WAFIOS | Dec 6, 2021 | PATENTANWALTE RUFF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP3225325 |
| DESCRIPTION | US7082797 |
| DESCRIPTION | WO8805352 |
| OPPOSITION | DE102007048429 |
| OPPOSITION | DE102011100434 |
| OPPOSITION | DE102016106684 |
| OPPOSITION | DE3915784 |
| OPPOSITION | EP3225325 |
| OPPOSITION | US7082797 |
| OPPOSITION | WO8805352 |
| SEARCH | DE102007048429 |
| SEARCH | DE102011100434 |
| SEARCH | EP3225325 |
| SEARCH | US7082797 |
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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OPPO
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OPPO
Jan 10, 2023
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OPPO
Jan 10, 2023
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OPPO
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Information concerning oral proceedings
Search/Exam
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Decision to grant a European patent
Search/Exam
Jan 28, 2021
(Electronic) Receipt
Search/Exam
Jan 28, 2021
English translation of the claims
Search/Exam
Jan 28, 2021
Filing of the translations of the claims
Search/Exam
Jan 28, 2021
French translation of claims
Search/Exam
Nov 19, 2020
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Intention to grant (signatures)
Search/Exam
Nov 19, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 19, 2020
Nov 3, 2020
Examination started
Search/Exam
Aug 31, 2020
Jul 29, 2020
Notification of forthcoming publication
Search/Exam
Oct 23, 2019
(Electronic) Receipt
Search/Exam
Oct 23, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2019
Written request for examination
Search/Exam
Sep 19, 2019
Sep 19, 2019
European search opinion
Search/Exam
Sep 19, 2019
European search report
Search/Exam
Sep 19, 2019
Information on Search Strategy
Search/Exam
Aug 21, 2019
Search started
Search/Exam
Apr 30, 2019
Communication to designated inventor
Search/Exam
Feb 26, 2019
(Electronic) Receipt
Search/Exam
Feb 26, 2019
Authorisation
Search/Exam
Feb 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 21, 2019
Abstract
Search/Exam
Feb 21, 2019
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Claims
Search/Exam
Feb 21, 2019
Description
Search/Exam
Feb 21, 2019
Designation of inventor
Search/Exam
Feb 21, 2019
Drawings
Search/Exam
Feb 21, 2019
Request for grant of a European patent
Search/Exam