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The patent EP3795267 was granted to SMS Group on Jul 13, 2022. The application was filed on Sep 14, 2020 under application number EP20196043A. 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 |
|---|---|---|---|
| PRIMETALS GERMANY | Apr 12, 2023 | METALSLINZ | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CN102581035 |
| OPPOSITION | EP0171732 |
| OPPOSITION | JPH02255208 |
| OPPOSITION | JPH05104120 |
| OPPOSITION | JPH0636926B |
| OPPOSITION | JPS55120409 |
| OPPOSITION | JPS62168607 |
| OPPOSITION | JPS63177910 |
| SEARCH | US4000449 |
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 15, 2025
Dec 15, 2025
Dec 10, 2025
Dec 9, 2025
Dec 2, 2025
(Electronic) Receipt
Appeal
Dec 2, 2025
Dec 2, 2025
Nov 14, 2025
Nov 13, 2025
(Electronic) Receipt
Appeal
Nov 13, 2025
Nov 13, 2025
Oct 27, 2025
Authorisation
Appeal
Oct 27, 2025
Authorisation
Appeal
Oct 27, 2025
Oct 27, 2025
Sep 24, 2025
Sep 24, 2025
Sep 8, 2025
Sep 5, 2025
Sep 4, 2025
(Electronic) Receipt
Appeal
Sep 4, 2025
Sep 4, 2025
Sep 4, 2025
Sep 3, 2025
(Electronic) Receipt
Appeal
Sep 3, 2025
Sep 3, 2025
Sep 1, 2025
(Electronic) Receipt
Appeal
Sep 1, 2025
Sep 1, 2025
Aug 14, 2025
Aug 14, 2025
Aug 5, 2025
Aug 5, 2025
Jul 31, 2025
Jul 31, 2025
Jul 11, 2025
Jul 7, 2025
(Electronic) Receipt
Appeal
Jul 7, 2025
Jul 7, 2025
Jul 7, 2025
Jul 7, 2025
Jun 12, 2025
Jun 5, 2025
(Electronic) Receipt
Appeal
Jun 5, 2025
Jun 5, 2025
May 22, 2025
May 21, 2025
(Electronic) Receipt
Appeal
May 21, 2025
May 21, 2025
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May 21, 2025
May 21, 2025
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May 21, 2025
May 21, 2025
Description
Appeal
May 21, 2025
Description
Appeal
May 21, 2025
May 21, 2025
May 8, 2025
Apr 30, 2025
(Electronic) Receipt
Appeal
Apr 30, 2025
Apr 30, 2025
Jan 3, 2025
Dec 19, 2024
(Electronic) Receipt
Appeal
Dec 19, 2024
Dec 19, 2024
Reply to appeal
Appeal
Sep 6, 2024
Sep 2, 2024
(Electronic) Receipt
Appeal
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
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Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Sep 2, 2024
Description
Appeal
Sep 2, 2024
Description
Appeal
Sep 2, 2024
Sep 2, 2024
Aug 6, 2024
Aug 5, 2024
Jul 1, 2024
Annexes in respect of a client data request
Search/Exam
Jul 1, 2024
Jun 19, 2024
Jun 19, 2024
Jun 13, 2024
(Electronic) Receipt
Appeal
Jun 13, 2024
Jun 13, 2024
Notice of appeal
Appeal
May 3, 2024
May 3, 2024
May 3, 2024
May 3, 2024
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May 3, 2024
Means of redress
OPPO
May 3, 2024
May 3, 2024
Sep 4, 2023
Aug 30, 2023
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Apr 28, 2023
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Apr 12, 2023
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Jul 26, 2022
Jun 17, 2022
Decision to grant a European patent
Search/Exam
May 31, 2022
(Electronic) Receipt
Search/Exam
May 31, 2022
English translation of the claims
Search/Exam
May 31, 2022
Filing of the translations of the claims
Search/Exam
May 31, 2022
French translation of claims
Search/Exam
May 31, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Intention to grant (signatures)
Search/Exam
Feb 1, 2022
Text intended for grant (clean copy)
Search/Exam
Feb 1, 2022
Apr 14, 2021
(Electronic) Receipt
Search/Exam
Apr 14, 2021
Amended claims with annotations
Search/Exam
Apr 14, 2021
Amended description with annotations
Search/Exam
Apr 14, 2021
Claims
Search/Exam
Apr 14, 2021
Description
Search/Exam
Apr 14, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2021
Mar 30, 2021
Annex to the communication
Search/Exam
Mar 30, 2021
Communication from the Examining Division
Search/Exam
Mar 29, 2021
Mar 12, 2021
Mar 8, 2021
Feb 24, 2021
Feb 24, 2021
Notification of forthcoming publication
Search/Exam
Feb 17, 2021
Feb 17, 2021
European search report
Search/Exam
Feb 17, 2021
Information on Search Strategy
Search/Exam
Feb 11, 2021
Modified abstract
Search/Exam
Jan 29, 2021
Search started
Search/Exam
Dec 7, 2020
Communication to designated inventor
Search/Exam
Dec 7, 2020
Communication to designated inventor
Search/Exam
Dec 7, 2020
Communication to designated inventor
Search/Exam
Dec 7, 2020
Communication to designated inventor
Search/Exam
Dec 7, 2020
Communication to designated inventor
Search/Exam
Oct 6, 2020
Letter concerning the priority
Search/Exam
Oct 6, 2020
Priority document
Search/Exam
Sep 14, 2020
Abstract
Search/Exam
Sep 14, 2020
Sep 14, 2020
Claims
Search/Exam
Sep 14, 2020
Description
Search/Exam
Sep 14, 2020
Designation of inventor
Search/Exam
Sep 14, 2020
Drawings
Search/Exam
Sep 14, 2020
Request for grant of a European patent
Search/Exam