The patent EP3448592 was granted to Primetals Austria on Apr 23, 2025. The application was originally filed on Apr 28, 2017 under application number EP17723941A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0794023 |
| DESCRIPTION | EP1750864 |
| DESCRIPTION | EP2651577 |
| DESCRIPTION | JPH01218710 |
| DESCRIPTION | WO0064605 |
| DESCRIPTION | WO2007025682 |
| DESCRIPTION | WO2013029886 |
| DESCRIPTION | WO2013120750 |
| INTERNATIONAL-SEARCH-REPORT | JPH01218710 |
| INTERNATIONAL-SEARCH-REPORT | RU2008112666 |
| INTERNATIONAL-SEARCH-REPORT | WO2005120739 |
| INTERNATIONAL-SEARCH-REPORT | WO2007025682 |
| OPPOSITION | DE60030288T |
| OPPOSITION | JP2000280002 |
| OPPOSITION | JP2001321809 |
| OPPOSITION | JP2006263800 |
| OPPOSITION | JPH01218710 |
| OPPOSITION | WO2005120739 |
| OPPOSITION | WO2007025682 |
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Date
Description
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Mar 27, 2025
Mar 27, 2025
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(Electronic) Receipt
Appeal
Apr 19, 2024
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Apr 8, 2024
(Electronic) Receipt
Appeal
Apr 8, 2024
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(Electronic) Receipt
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Mar 21, 2024
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(Electronic) Receipt
Appeal
Mar 20, 2024
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Mar 12, 2024
(Electronic) Receipt
Appeal
Mar 12, 2024
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Mar 5, 2024
(Electronic) Receipt
Appeal
Mar 5, 2024
Authorisation
Appeal
Mar 5, 2024
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Feb 23, 2024
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(Electronic) Receipt
Appeal
Jan 26, 2023
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Description
Appeal
Jan 26, 2023
Description
Appeal
Jan 26, 2023
Description
Appeal
Jan 26, 2023
Description
Appeal
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Reply to appeal
Appeal
Sep 30, 2022
Sep 27, 2022
(Electronic) Receipt
Appeal
Sep 27, 2022
Sep 27, 2022
Aug 1, 2022
Aug 1, 2022
Jul 27, 2022
(Electronic) Receipt
Appeal
Jul 27, 2022
Jul 27, 2022
Notice of appeal
Appeal
Jun 9, 2022
Jun 3, 2022
May 30, 2022
May 30, 2022
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Means of redress
OPPO
May 30, 2022
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Authorisation
OPPO
Dec 14, 2021
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Description
OPPO
Mar 3, 2021
Description
OPPO
Mar 3, 2021
Description
OPPO
Mar 3, 2021
Description
OPPO
Mar 3, 2021
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Nov 5, 2020
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Feb 3, 2020
Jan 8, 2020
Decision to grant a European patent
Search/Exam
Dec 4, 2019
(Electronic) Receipt
Search/Exam
Dec 4, 2019
English translation of the claims
Search/Exam
Dec 4, 2019
Filing of the translations of the claims
Search/Exam
Dec 4, 2019
French translation of claims
Search/Exam
Dec 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Intention to grant (signatures)
Search/Exam
Sep 13, 2019
Text intended for grant (clean copy)
Search/Exam
Sep 13, 2019
Aug 7, 2019
Examination started
Search/Exam
May 29, 2019
(Electronic) Receipt
Search/Exam
May 29, 2019
May 29, 2019
Amended claims with annotations
Search/Exam
May 29, 2019
Amendments received before examination
Search/Exam
May 29, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 6, 2019
Dec 11, 2018
Dec 7, 2018
Communication to designated inventor
Search/Exam
Dec 7, 2018
Communication to designated inventor
Search/Exam
Dec 4, 2018
Priority search results copy provided by EPO
Search/Exam
Nov 15, 2018
Oct 29, 2018
Observations by third parties
Search/Exam
Oct 29, 2018
Patent document filed by a Third party
Search/Exam
Sep 6, 2018
Sep 6, 2018
Sep 6, 2018
Notification of the recording of a change
Search/Exam
Aug 29, 2018
(Electronic) Receipt
Search/Exam
Aug 29, 2018
Request for entry into the European phase
Search/Exam
Nov 21, 2017
Nov 2, 2017
Copy of the international search report
Search/Exam
Nov 2, 2017
Copy of the international search report
Search/Exam
Nov 2, 2017
Published international application - A1
Search/Exam
Jul 27, 2017
ISR: cited documents
PCTISA
Jul 27, 2017
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May 30, 2017
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May 24, 2017
Apr 28, 2017
(Electronic) Receipt
PCTRO
Apr 28, 2017
Abstract
PCTRO
Apr 28, 2017
Claims
PCTRO
Apr 28, 2017
Description
PCTRO
Apr 28, 2017
Apr 28, 2017
Drawings
PCTRO
Apr 28, 2017
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Apr 28, 2017