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The patent EP3695058 was granted to Viega Technology on Jan 26, 2022. The application was filed on Oct 9, 2018 under application number EP18786703A. 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 |
|---|---|---|---|
| SCHELL | Oct 26, 2022 | GOTTSCHALD PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE202012102881U |
| INTERNATIONAL-SEARCH-REPORT | EP1845207 |
| INTERNATIONAL-SEARCH-REPORT | EP2993271 |
| INTERNATIONAL-SEARCH-REPORT | EP3214230 |
| OPPOSITION | DE202012102881U |
| OPPOSITION | EP1845207 |
| OPPOSITION | EP2993271 |
| OPPOSITION | EP3214230 |
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 22, 2025
Dec 22, 2025
Dec 19, 2025
Dec 19, 2025
Mar 25, 2025
Mar 20, 2025
(Electronic) Receipt
Appeal
Mar 20, 2025
Mar 20, 2025
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Mar 20, 2025
Description
Appeal
Mar 20, 2025
Description
Appeal
Mar 20, 2025
Description
Appeal
Mar 20, 2025
Description
Appeal
Mar 20, 2025
Mar 20, 2025
Reply to appeal
Appeal
Nov 22, 2024
Nov 18, 2024
(Electronic) Receipt
Appeal
Nov 18, 2024
Nov 18, 2024
Nov 18, 2024
Nov 18, 2024
Sep 30, 2024
Sep 30, 2024
Sep 16, 2024
(Electronic) Receipt
Appeal
Sep 16, 2024
Notice of appeal
Appeal
Sep 16, 2024
Notice of appeal
Appeal
Jul 16, 2024
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Means of redress
Search/Exam
Jul 16, 2024
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Annex
OPPO
Apr 26, 2024
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Feb 8, 2022
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Decision to grant a European patent
Search/Exam
Dec 16, 2021
(Electronic) Receipt
Search/Exam
Dec 16, 2021
English translation of the claims
Search/Exam
Dec 16, 2021
Filing of the translations of the claims
Search/Exam
Dec 16, 2021
French translation of claims
Search/Exam
Dec 16, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 6, 2021
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Intention to grant (signatures)
Search/Exam
Aug 6, 2021
Text intended for grant (clean copy)
Search/Exam
Aug 6, 2021
Jun 25, 2021
Examination started
Search/Exam
Jan 26, 2021
Jan 18, 2021
Nov 24, 2020
(Electronic) Receipt
Search/Exam
Nov 24, 2020
Nov 24, 2020
Amended claims with annotations
Search/Exam
Nov 24, 2020
Nov 24, 2020
Amended description with annotations
Search/Exam
Nov 24, 2020
Amendments received before examination
Search/Exam
Nov 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2020
May 19, 2020
May 15, 2020
Communication to designated inventor
Search/Exam
May 15, 2020
Communication to designated inventor
Search/Exam
May 15, 2020
Communication to designated inventor
Search/Exam
May 15, 2020
Communication to designated inventor
Search/Exam
May 15, 2020
Communication to designated inventor
Search/Exam
May 15, 2020
Communication to designated inventor
Search/Exam
Apr 14, 2020
Apr 14, 2020
Mar 30, 2020
(Electronic) Receipt
Search/Exam
Mar 30, 2020
Request for entry into the European phase
Search/Exam
Feb 21, 2020
Information on entry into European phase
Search/Exam
Jan 17, 2020
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Nov 5, 2019
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Written opinion
PCT2
Sep 5, 2019
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Sep 2, 2019
Notification of election of EPO
Search/Exam
Aug 20, 2019
Aug 12, 2019
Aug 7, 2019
Aug 7, 2019
PCT demand form
PCT2
Aug 7, 2019
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May 9, 2019
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Apr 18, 2019
Copy of the international search report
Search/Exam
Apr 18, 2019
Copy of the international search report
Search/Exam
Apr 18, 2019
Apr 18, 2019
Published international application - A1
Search/Exam
Nov 13, 2018
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Oct 30, 2018
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Oct 25, 2018
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Oct 9, 2018
(Electronic) Receipt
PCTRO
Oct 9, 2018
Abstract
PCTRO
Oct 9, 2018
Claims
PCTRO
Oct 9, 2018
Description
PCTRO
Oct 9, 2018
Oct 9, 2018
Drawings
PCTRO