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The patent EP3685930 was granted to Primetals Germany on Nov 24, 2021. The application was filed on Jan 28, 2019 under application number EP19153870A. 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 |
|---|---|---|---|
| SMS GROUP | Aug 24, 2022 | HEMMERICH & KOLLEGEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2548665 |
| DESCRIPTION | WO2017215595 |
| SEARCH | GB2223435 |
| SEARCH | JPH01321007 |
| SEARCH | JPS60244408 |
| SEARCH | WO2017215595 |
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 9, 2025
Dec 9, 2025
Dec 9, 2025
Aug 21, 2025
Aug 18, 2025
(Electronic) Receipt
Appeal
Aug 18, 2025
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Aug 12, 2025
Aug 7, 2025
(Electronic) Receipt
Appeal
Aug 7, 2025
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Aug 1, 2025
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Jun 16, 2025
Jun 11, 2025
(Electronic) Receipt
Appeal
Jun 11, 2025
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May 30, 2025
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May 20, 2025
(Electronic) Receipt
Appeal
May 20, 2025
May 20, 2025
May 15, 2025
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May 12, 2025
Oct 1, 2024
Sep 26, 2024
(Electronic) Receipt
Appeal
Sep 26, 2024
Sep 26, 2024
Sep 26, 2024
Sep 26, 2024
Reply to appeal
Appeal
Jun 18, 2024
Jun 12, 2024
(Electronic) Receipt
Appeal
Jun 12, 2024
Jun 12, 2024
Apr 10, 2024
Apr 2, 2024
Apr 2, 2024
Mar 25, 2024
(Electronic) Receipt
Appeal
Mar 25, 2024
Mar 25, 2024
Notice of appeal
Appeal
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
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Means of redress
OPPO
Feb 12, 2024
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Description
OPPO
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Sep 9, 2022
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Aug 30, 2022
Aug 24, 2022
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Dec 7, 2021
Oct 28, 2021
Decision to grant a European patent
Search/Exam
Oct 18, 2021
(Electronic) Receipt
Search/Exam
Oct 18, 2021
English translation of the claims
Search/Exam
Oct 18, 2021
Filing of the translations of the claims
Search/Exam
Oct 18, 2021
French translation of claims
Search/Exam
Oct 18, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Intention to grant (signatures)
Search/Exam
Aug 24, 2021
Text intended for grant (clean copy)
Search/Exam
Aug 24, 2021
Jul 6, 2021
Examination started
Search/Exam
Jan 11, 2021
(Electronic) Receipt
Search/Exam
Jan 11, 2021
Jan 11, 2021
Amended description with annotations
Search/Exam
Jan 11, 2021
Amendments received before examination
Search/Exam
Jan 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 3, 2020
Jul 1, 2020
Notification of forthcoming publication
Search/Exam
Aug 27, 2019
Aug 27, 2019
European search opinion
Search/Exam
Aug 27, 2019
European search report
Search/Exam
Aug 27, 2019
Information on Search Strategy
Search/Exam
Jul 11, 2019
Search started
Search/Exam
Apr 25, 2019
Communication to designated inventor
Search/Exam
Jan 28, 2019
Abstract
Search/Exam
Jan 28, 2019
Jan 28, 2019
Claims
Search/Exam
Jan 28, 2019
Description
Search/Exam
Jan 28, 2019
Designation of inventor
Search/Exam
Jan 28, 2019
Drawings
Search/Exam
Jan 28, 2019
Request for grant of a European patent
Search/Exam