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Methods And Systems For The Quantitative Measurement Of Internal Defects In As-Cast Steel Products

Patent No. EP3516376 (titled "Methods And Systems For The Quantitative Measurement Of Internal Defects In As-Cast Steel Products") was filed by Ssab Enterprises on Sep 21, 2017. The application was issued on Feb 28, 2024.

Patent Summary

Patent Family

Patent Oppositions (2)

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
DER DILLINGER HUTTENWERKE SOCIETE ANONYME DES FORGES ET ACIERIES DE DILLING	Nov 28, 2024	PATENTANWALTE BERNHARDT WOLFF PARTNERSCHAFT MBB
STRAWMAN	Nov 28, 2024	MOLA

Dossier Documents

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
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Jul 30, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 30, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 30, 2025
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Apr 25, 2025
Decision revoking the European patent
Apr 25, 2025
Decision revoking the European patent
Apr 25, 2025
Decision revoking the European patent
Apr 23, 2025
Brief communication - Opposition proceedings
Apr 17, 2025
(Electronic) Receipt
Apr 17, 2025
Letter accompanying subsequently filed items
Apr 17, 2025
Request for revocation of patent
Apr 11, 2025
Brief communication - Opposition proceedings
Apr 11, 2025
Brief communication - Opposition proceedings
Apr 11, 2025
Refusal of request for extension of time limit
Apr 8, 2025
(Electronic) Receipt
Apr 8, 2025
Letter accompanying subsequently filed items
Apr 8, 2025
Request for extension of time limit
Dec 12, 2024
Communication of a notice of opposition and request to file observations
Dec 12, 2024
Notice of further oppositions to opponent(s)
Dec 12, 2024
Notice of further oppositions to opponent(s)
Dec 9, 2024
Brief communication - Opposition proceedings
Dec 9, 2024
Brief communication - Opposition proceedings
Dec 4, 2024
Communication of a notice of opposition - first information to patent proprietor
Nov 28, 2024
(Electronic) Receipt
Nov 28, 2024
(Electronic) Receipt
Nov 28, 2024
Any annexes (other than citation) to an opposition letter
Nov 28, 2024
Citation in opposition procedure
Nov 28, 2024
Citation in opposition procedure
Nov 28, 2024
Citation in opposition procedure - 001
Nov 28, 2024
Citation in opposition procedure - 001
Nov 28, 2024
Citation in opposition procedure - 001
Nov 28, 2024
Citation in opposition procedure - 002
Nov 28, 2024
Citation in opposition procedure - 003
Nov 28, 2024
Citation in opposition procedure - 004
Nov 28, 2024
Citation in opposition procedure - 005
Nov 28, 2024
Citation in opposition procedure - 006
Nov 28, 2024
Citation in opposition procedure - 007
Nov 28, 2024
Citation in opposition procedure - 007
Nov 28, 2024
Citation in opposition procedure - 008
Nov 28, 2024
Citation in opposition procedure - 008
Nov 28, 2024
Citation in opposition procedure - 009
Nov 28, 2024
Citation in opposition procedure - 009
Nov 28, 2024
Citation in opposition procedure - 010
Nov 28, 2024
Citation in opposition procedure - 011
Nov 28, 2024
Citation in opposition procedure - 012
Nov 28, 2024
Citation in opposition procedure - 013
Nov 28, 2024
Citation in opposition procedure - 014
Nov 28, 2024
Citation in opposition procedure - 015
Nov 28, 2024
Citation in opposition procedure - 016
Nov 28, 2024
Citation in opposition procedure - 017
Nov 28, 2024
Citation in opposition procedure - 018
Nov 28, 2024
Citation in opposition procedure - 019
Nov 28, 2024
Citation in opposition procedure - 020
Nov 28, 2024
Citation in opposition procedure - 021
Nov 28, 2024
Citation in opposition procedure - 022
Nov 28, 2024
Citation in opposition procedure - 023
Nov 28, 2024
Citation in opposition procedure - 024
Nov 28, 2024
Consolidated list of cited opposition documents
Nov 28, 2024
Notice of opposition
Nov 28, 2024
Notice of opposition
Nov 28, 2024
Notice of opposition
Nov 28, 2024
Notice of opposition
Mar 13, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 1, 2024
Decision to grant a European patent
Jan 18, 2024
(Electronic) Receipt
Jan 18, 2024
French translation of claims
Jan 18, 2024
German translation of the claims
Jan 18, 2024
Letter accompanying subsequently filed items
Sep 8, 2023
Annex to the communication about intention to grant a European patent
Sep 8, 2023
Bibliographic data of the European patent application
Sep 8, 2023
Communication about intention to grant a European patent
Sep 8, 2023
Intention to grant (signatures)
Sep 8, 2023
Text intended for grant (clean copy)
Sep 8, 2023
Text intended for grant (version for approval)
Aug 14, 2023
Decision to allow the request for re-establishment of rights
Aug 14, 2023
Notice drawing attention to the payment of the renewal fee after re-establishment of rights
Aug 9, 2023
Examination started
Mar 30, 2022
(Electronic) Receipt
Mar 30, 2022
Letter accompanying subsequently filed items
Mar 30, 2022
Request for re-establishment of rights
Jan 20, 2022
Communication for party to proceedings/third party
Oct 4, 2021
(Electronic) Receipt
Oct 4, 2021
Annex
Oct 4, 2021
Annex
Oct 4, 2021
Annex
Oct 4, 2021
Annex
Oct 4, 2021
Annex
Oct 4, 2021
Annex
Oct 4, 2021
Letter accompanying subsequently filed items
Oct 4, 2021
Request for re-establishment of rights
Jul 23, 2021
Communication for party to proceedings/third party
Jun 23, 2021
(Electronic) Receipt
Jun 23, 2021
Annex
Jun 23, 2021
Grounds for re-establishment of rights
Jun 23, 2021
Letter accompanying subsequently filed items
Jun 23, 2021
Request for re-establishment of rights
Apr 23, 2021
Application deemed to be withdrawn (non-payment of renewal fee)
Nov 17, 2020
(Electronic) Receipt
Nov 17, 2020
Amended claims filed after receipt of (European) search report
Nov 17, 2020
Amended claims with annotations
Nov 17, 2020
Amended description filed after receipt of (European) search report
Nov 17, 2020
Amended description with annotations
Nov 17, 2020
Amendments received before examination
Nov 17, 2020
Letter accompanying subsequently filed items
Nov 4, 2020
Notice drawing attention to the payment of the renewal fee and additional fee
May 12, 2020
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Apr 23, 2020
Communication regarding the transmission of the European search report
Apr 23, 2020
European search opinion
Apr 23, 2020
Information on Search Strategy
Apr 23, 2020
Supplementary European search report
Mar 27, 2020
Search started
Nov 4, 2019
(Electronic) Receipt
Nov 4, 2019
Amended claims filed after receipt of (European) search report
Nov 4, 2019
Amended claims with annotations
Nov 4, 2019
Amendments received before examination
Nov 4, 2019
Letter accompanying subsequently filed items
Jul 18, 2019
Communication of amended entries concerning the representative
Jul 12, 2019
Submission concerning change of applicant's representative
Jul 3, 2019
Notification on forthcoming publication of bibliographic data
May 8, 2019
Communication regarding possible amendment of the application/payment of claims fee
May 2, 2019
Communication to designated inventor
May 2, 2019
Communication to designated inventor
May 2, 2019
Communication to designated inventor
May 2, 2019
Communication to designated inventor
May 2, 2019
Communication to designated inventor
May 2, 2019
Communication to designated inventor
Apr 18, 2019
(Electronic) Receipt
Apr 18, 2019
Request for entry into the European phase
Apr 11, 2019
Copy of the international preliminary report on patentability
Feb 1, 2019
Information on entry into European phase
Apr 17, 2018
Priority document (electronically transmitted)
Mar 29, 2018
Copy of the international search report
Mar 29, 2018
Published international application - A1

EP3516376

SSAB ENTERPRISES

Application Number: EP17853928A
Filing Date: Sep 21, 2017
Status: Revoked; Aug 1, 2025
Publication Date: Feb 28, 2024
External Links: Slate, Register , Google Patents