The weekly litigation news digest is live. Subscribe now
The patent EP2956250 was granted to Primetals Austria on Dec 7, 2022. The application was filed on Feb 7, 2014 under application number EP14705081A. The patent is currently recorded with a legal status of "Revoked".

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 | Sep 6, 2023 | HEMMERICH & KOLLEGEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2014032838 |
| INTERNATIONAL-SEARCH-REPORT | DE19854675 |
| INTERNATIONAL-SEARCH-REPORT | US3423254 |
| INTERNATIONAL-SEARCH-REPORT | US4720310 |
| OPPOSITION | CN2261898Y |
| OPPOSITION | DE19854675 |
| OPPOSITION | US3423254 |
| OPPOSITION | US4720310 |
| OPPOSITION | WO2014032838 |
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
Get instant alerts for new documents
Aug 26, 2025
Aug 26, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
Means of redress
OPPO
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 20, 2025
May 6, 2025
Apr 23, 2025
Apr 23, 2025
Apr 23, 2025
Mar 10, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Jan 22, 2025
Jan 14, 2025
Jan 14, 2025
Dec 9, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jan 23, 2024
Jan 16, 2024
Jan 16, 2024
Jan 16, 2024
Jan 16, 2024
Jan 16, 2024
Sep 21, 2023
Sep 21, 2023
Sep 11, 2023
Sep 6, 2023
Sep 6, 2023
Sep 6, 2023
Sep 6, 2023
Sep 6, 2023
Sep 6, 2023
Sep 6, 2023
Sep 6, 2023
Sep 6, 2023
Sep 6, 2023
Sep 6, 2023
Sep 6, 2023
Sep 6, 2023
Sep 6, 2023
Dec 20, 2022
Nov 10, 2022
Decision to grant a European patent
Search/Exam
Oct 27, 2022
(Electronic) Receipt
Search/Exam
Oct 27, 2022
English translation of the claims
Search/Exam
Oct 27, 2022
Filing of the translations of the claims
Search/Exam
Oct 27, 2022
French translation of claims
Search/Exam
Oct 27, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Intention to grant (signatures)
Search/Exam
Jul 27, 2022
Text intended for grant (clean copy)
Search/Exam
Jul 27, 2022
Jul 7, 2021
(Electronic) Receipt
Search/Exam
Jul 7, 2021
Amended claims with annotations
Search/Exam
Jul 7, 2021
Claims
Search/Exam
Jul 7, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 7, 2021
Mar 9, 2021
Annex to the communication
Search/Exam
Mar 9, 2021
Communication from the Examining Division
Search/Exam
Jul 9, 2020
(Electronic) Receipt
Search/Exam
Jul 9, 2020
Amended claims with annotations
Search/Exam
Jul 9, 2020
Claims
Search/Exam
Jul 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 9, 2020
Mar 12, 2020
Annex to the communication
Search/Exam
Mar 12, 2020
Communication from the Examining Division
Search/Exam
May 21, 2019
(Electronic) Receipt
Search/Exam
May 21, 2019
Amended claims with annotations
Search/Exam
May 21, 2019
Claims
Search/Exam
May 21, 2019
Letter accompanying subsequently filed items
Search/Exam
May 21, 2019
May 21, 2019
Jan 22, 2019
Annex to the communication
Search/Exam
Jan 22, 2019
Communication from the Examining Division
Search/Exam
Jul 24, 2018
(Electronic) Receipt
Search/Exam
Jul 24, 2018
Amended claims with annotations
Search/Exam
Jul 24, 2018
Amended description with annotations
Search/Exam
Jul 24, 2018
Claims
Search/Exam
Jul 24, 2018
Description
Search/Exam
Jul 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2018
Apr 9, 2018
Annex to the communication
Search/Exam
Apr 9, 2018
Communication from the Examining Division
Search/Exam
Dec 1, 2017
(Electronic) Receipt
Search/Exam
Dec 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 1, 2017
Sep 28, 2017
Annex to the communication
Search/Exam
Sep 28, 2017
Communication from the Examining Division
Search/Exam
May 23, 2017
(Electronic) Receipt
Search/Exam
May 23, 2017
Letter accompanying subsequently filed items
Search/Exam
May 23, 2017
May 3, 2017
Annex to the communication
Search/Exam
May 3, 2017
Communication from the Examining Division
Search/Exam
Nov 4, 2016
(Electronic) Receipt
Search/Exam
Nov 4, 2016
Amended claims with annotations
Search/Exam
Nov 4, 2016
Amended description with annotations
Search/Exam
Nov 4, 2016
Claims
Search/Exam
Nov 4, 2016
Description
Search/Exam
Nov 4, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 4, 2016
Sep 19, 2016
Annex to the communication
Search/Exam
Sep 19, 2016
Communication from the Examining Division
Search/Exam
Sep 13, 2016
Examination started
Search/Exam
Feb 1, 2016
Nov 25, 2015
Oct 13, 2015
Oct 6, 2015
Priority search results copy provided by EPO
Search/Exam
Sep 18, 2015
Communication to designated inventor
Search/Exam
Sep 18, 2015
Communication to designated inventor
Search/Exam
Sep 18, 2015
Communication to designated inventor
Search/Exam
Sep 18, 2015
Communication to designated inventor
Search/Exam
Sep 18, 2015
Communication to designated inventor
Search/Exam
Sep 18, 2015
Communication to designated inventor
Search/Exam
Sep 18, 2015
Communication to designated inventor
Search/Exam
Aug 25, 2015
Aug 25, 2015
Aug 19, 2015
Refund of fees
Search/Exam
Aug 19, 2015
Refund of fees
Search/Exam
Aug 19, 2015
Refund of fees
Search/Exam
Jul 17, 2015
(Electronic) Receipt
Search/Exam
Jul 17, 2015
Request for entry into the European phase
Search/Exam
Jul 15, 2015
Jul 15, 2015
Notification of the recording of a change
Search/Exam
Jun 26, 2015
Information on entry into European phase
Search/Exam
Jun 10, 2015
Jun 10, 2015
Notification of the recording of a change
Search/Exam
Apr 28, 2015
Apr 28, 2015
Apr 28, 2015
Notification of the recording of a change
Search/Exam
Apr 28, 2015
Notification of the recording of a change
Search/Exam
Jan 26, 2015
Jan 26, 2015
Jan 26, 2015
Jan 26, 2015
Jan 26, 2015
Nov 18, 2014
Notification of election of EPO
Search/Exam
Oct 28, 2014
Oct 14, 2014
PCT demand form
PCT2
Oct 14, 2014
Oct 14, 2014
Sep 9, 2014
Aug 21, 2014
Copy of the international search report
Search/Exam
Aug 21, 2014
Copy of the international search report
Search/Exam
Aug 21, 2014
Published international application - A1
Search/Exam
May 5, 2014
May 5, 2014
May 5, 2014
Feb 7, 2014
(Electronic) Receipt
PCTRO
Feb 7, 2014
Abstract
PCTRO
Feb 7, 2014
Claims
PCTRO
Feb 7, 2014
Description
PCTRO
Feb 7, 2014
Drawings
PCTRO
Feb 7, 2014