The patent EP3554727 was granted to Primetals Austria on Jan 31, 2024. The application was originally filed on Nov 28, 2017 under application number EP17804569A. 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 | JPS5256052 |
| DESCRIPTION | JPS5479817 |
| DESCRIPTION | JPS6267605U |
| INTERNATIONAL-SEARCH-REPORT | EP2921239 |
| INTERNATIONAL-SEARCH-REPORT | JPS5256052 |
| INTERNATIONAL-SEARCH-REPORT | JPS5479817 |
| INTERNATIONAL-SEARCH-REPORT | JPS6267605U |
| OPPOSITION | CN202192104U |
| OPPOSITION | DE102012215599 |
| OPPOSITION | EP2921239 |
| OPPOSITION | JP2010131644 |
| OPPOSITION | JPS5256052 |
| OPPOSITION | JPS5479817 |
| OPPOSITION | JPS6267605U |
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Date
Description
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Jan 5, 2024
Jan 5, 2024
Dec 20, 2023
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Means of redress
Search/Exam
Jun 28, 2023
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Authorisation
OPPO
Apr 3, 2023
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Jan 11, 2023
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Authorisation
OPPO
Jan 4, 2023
Jan 4, 2023
Dec 8, 2022
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Jan 18, 2021
Dec 3, 2020
Decision to grant a European patent
Search/Exam
Nov 10, 2020
Nov 3, 2020
(Electronic) Receipt
Search/Exam
Nov 3, 2020
English translation of the claims
Search/Exam
Nov 3, 2020
Filing of the translations of the claims
Search/Exam
Nov 3, 2020
French translation of claims
Search/Exam
Nov 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 18, 2020
Aug 18, 2020
Aug 18, 2020
Intention to grant (signatures)
Search/Exam
Aug 18, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 18, 2020
Jul 17, 2020
Examination started
Search/Exam
Jan 22, 2020
(Electronic) Receipt
Search/Exam
Jan 22, 2020
Jan 22, 2020
Amended description with annotations
Search/Exam
Jan 22, 2020
Amendments received before examination
Search/Exam
Jan 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 25, 2019
Aug 20, 2019
Communication to designated inventor
Search/Exam
Aug 14, 2019
(Electronic) Receipt
Search/Exam
Aug 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 14, 2019
Letter concerning the inventor
Search/Exam
Aug 13, 2019
Aug 8, 2019
Letter which had not been notified
Search/Exam
Jul 25, 2019
Jul 23, 2019
Communication to designated inventor
Search/Exam
Jul 23, 2019
Communication to designated inventor
Search/Exam
Jul 23, 2019
Communication to designated inventor
Search/Exam
Jul 23, 2019
Communication to designated inventor
Search/Exam
Jul 23, 2019
Communication to designated inventor
Search/Exam
Jul 23, 2019
Communication to designated inventor
Search/Exam
Jul 18, 2019
Priority search results copy provided by EPO
Search/Exam
Jul 2, 2019
Apr 29, 2019
Information regarding early processing
Search/Exam
Apr 18, 2019
(Electronic) Receipt
Search/Exam
Apr 18, 2019
Request for entry into the European phase
Search/Exam
Nov 1, 2018
Copy of the international search report
Search/Exam
Nov 1, 2018
Copy of the international search report
Search/Exam
Nov 1, 2018
Sep 14, 2018
Sep 14, 2018
Sep 14, 2018
Jul 17, 2018
Jun 21, 2018
Published international application - A2
Search/Exam
Dec 11, 2017
Dec 11, 2017
Dec 5, 2017
Nov 28, 2017
(Electronic) Receipt
PCTRO
Nov 28, 2017
Abstract
PCTRO
Nov 28, 2017
Claims
PCTRO
Nov 28, 2017
Description
PCTRO
Nov 28, 2017
Nov 28, 2017
Drawings
PCTRO
Nov 28, 2017
Nov 28, 2017
Nov 28, 2017
Nov 28, 2017