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Si-Killed Steel Wire Rod Having Excellent Fatigue Properties, And Spring Using Same

Patent No. EP2947168 (titled "Si-Killed Steel Wire Rod Having Excellent Fatigue Properties, And Spring Using Same") was filed by Kabushiki Kaisha Kobe Seiko SHO Kobe Steel on Jan 15, 2014. The application was issued on Mar 7, 2018.

Patent Summary

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Patent Oppositions

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
SAARSTAHL	Dec 7, 2018	PATENTANWALTSKANZLEI VIEL & WIESKE PARTGMBB

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
Description

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Jul 26, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 26, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 21, 2021
Termination of the opposition proceedings with revocation of patent
Apr 15, 2021
Advice of delivery
Apr 13, 2021
(Electronic) Receipt
Apr 13, 2021
Advice of delivery
Apr 13, 2021
Letter accompanying subsequently filed items
Apr 9, 2021
Decision of the Opposition Division and instruction
Apr 9, 2021
Decision revoking the European patent
Apr 9, 2021
Decision revoking the European patent
Apr 9, 2021
Grounds for the decision (Annex) - opposition
Apr 9, 2021
Internal form - Opposition/addressees
Apr 9, 2021
Means of redress
Apr 9, 2021
Transmittal of decision / summons - opposition
Apr 9, 2021
Transmittal of decision / summons - opposition
Jan 27, 2021
Notification concerning the date of oral proceedings
Jan 27, 2021
Notification concerning the date of oral proceedings
Jan 25, 2021
Brief communication - Opposition proceedings
Jan 20, 2021
Brief communication - Opposition proceedings
Jan 18, 2021
(Electronic) Receipt
Jan 18, 2021
Letter accompanying subsequently filed items
Jan 18, 2021
Written submission in preparation to/during oral proceedings
Jan 12, 2021
(Electronic) Receipt
Jan 12, 2021
Letter accompanying subsequently filed items
Jan 12, 2021
Written submission in preparation to/during oral proceedings
Dec 8, 2020
Notification concerning the date of oral proceedings
Dec 8, 2020
Notification concerning the date of oral proceedings
Oct 15, 2020
Brief communication - Opposition proceedings
Oct 8, 2020
(Electronic) Receipt
Oct 8, 2020
Letter accompanying subsequently filed items
Oct 8, 2020
Written submission in preparation to/during oral proceedings
Jun 10, 2020
(Electronic) Receipt
Jun 10, 2020
Advice of delivery
Jun 10, 2020
Letter accompanying subsequently filed items
Jun 9, 2020
Advice of delivery
Jun 5, 2020
Acknowledgement of a document
Jun 5, 2020
Acknowledgement of a document
Jun 5, 2020
Annex to the communication - opposition
Jun 5, 2020
Information concerning oral proceedings
Jun 5, 2020
Summons to attend oral proceedings
Jun 5, 2020
Summons to attend oral proceedings
Apr 17, 2020
Advice of delivery
Apr 15, 2020
(Electronic) Receipt
Apr 15, 2020
Advice of delivery
Apr 14, 2020
Notification concerning the date of oral proceedings
Apr 14, 2020
Notification concerning the date of oral proceedings
Apr 8, 2020
Notification concerning the date of oral proceedings
Apr 8, 2020
Notification concerning the date of oral proceedings
Apr 7, 2020
(Electronic) Receipt
Apr 7, 2020
(Electronic) Receipt
Apr 7, 2020
Letter accompanying subsequently filed items
Apr 7, 2020
Letter accompanying subsequently filed items
Apr 7, 2020
Oral proceedings: Request for postponement
Apr 7, 2020
Oral proceedings: Request for postponement
Apr 2, 2020
(Electronic) Receipt
Apr 2, 2020
Letter accompanying subsequently filed items
Apr 2, 2020
Written submission in preparation to/during oral proceedings
Mar 27, 2020
Brief communication - Opposition proceedings
Feb 25, 2020
Brief communication - Opposition proceedings
Feb 20, 2020
(Electronic) Receipt
Feb 20, 2020
Request for interpreters during oral proceedings
Feb 20, 2020
Written submission in preparation to/during oral proceedings
Nov 13, 2019
Advice of delivery
Nov 11, 2019
Advice of delivery
Oct 17, 2019
Advice of delivery
Oct 14, 2019
Advice of delivery
Oct 10, 2019
Acknowledgement of a document
Oct 10, 2019
Acknowledgement of a document
Oct 10, 2019
Annex to the communication - opposition
Oct 10, 2019
Information concerning oral proceedings
Oct 10, 2019
Summons to attend oral proceedings
Oct 10, 2019
Summons to attend oral proceedings
Jul 17, 2019
Brief communication - Opposition proceedings
Jul 11, 2019
(Electronic) Receipt
Jul 11, 2019
Letter accompanying subsequently filed items
Jul 11, 2019
Letter regarding the opposition procedure (no time limit)
Jan 21, 2019
Communication of a notice of opposition and request to file observations
Jan 21, 2019
Notice of further oppositions to opponent(s)
Dec 14, 2018
Communication of a notice of opposition - first information to patent proprietor
Dec 7, 2018
(Electronic) Receipt
Dec 7, 2018
Citation in opposition procedure - 001
Dec 7, 2018
Citation in opposition procedure - 001
Dec 7, 2018
Citation in opposition procedure - 002
Dec 7, 2018
Citation in opposition procedure - 002
Dec 7, 2018
Citation in opposition procedure - 002
Dec 7, 2018
Citation in opposition procedure - 002
Dec 7, 2018
Citation in opposition procedure - 002
Dec 7, 2018
Citation in opposition procedure - 002
Dec 7, 2018
Citation in opposition procedure - 003
Dec 7, 2018
Citation in opposition procedure - 003
Dec 7, 2018
Citation in opposition procedure - 004
Dec 7, 2018
Citation in opposition procedure - 004
Dec 7, 2018
Citation in opposition procedure - 005
Dec 7, 2018
Citation in opposition procedure - 005
Dec 7, 2018
Citation in opposition procedure - 005
Dec 7, 2018
Citation in opposition procedure - 006
Dec 7, 2018
Citation in opposition procedure - 006
Dec 7, 2018
Consolidated list of cited opposition documents
Dec 7, 2018
Notice of opposition
Dec 7, 2018
Notice of opposition
Mar 19, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 8, 2018
Decision to grant a European patent
Jan 3, 2018
Filing of the translations of the claims
Jan 3, 2018
French translation of claims
Jan 3, 2018
German translation of the claims
Sep 13, 2017
Bibliographic data of the European patent application
Sep 13, 2017
Communication about intention to grant a European patent
Sep 13, 2017
Intention to grant (signatures)
Sep 13, 2017
Text intended for grant (clean copy)
Sep 13, 2017
Text intended for grant (version for approval)
Aug 18, 2017
Examination started
Jan 17, 2017
Amended claims filed after receipt of (European) search report
Jan 17, 2017
Amended claims with annotations
Jan 17, 2017
Amendments received before examination
Jul 29, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 12, 2016
Communication regarding the transmission of the European search report
Jul 12, 2016
European search opinion
Jul 12, 2016
Information on Search Strategy
Jul 12, 2016
Supplementary European search report
Jun 29, 2016
Search started
Oct 28, 2015
Notification of forthcoming publication
Aug 21, 2015
Communication regarding possible amendment of the application/payment of claims fee
Aug 19, 2015
Communication to designated inventor
Aug 19, 2015
Communication to designated inventor
Aug 19, 2015
Communication to designated inventor
Aug 19, 2015
Communication to designated inventor
Aug 19, 2015
Communication to designated inventor
Aug 19, 2015
Communication to designated inventor
Aug 3, 2015
Copy of the international preliminary report on patentability
Aug 3, 2015
Translation of the international preliminary report on patentability
Jul 16, 2015
Letter concerning fees and payments
Jul 16, 2015
Payment of fees and costs
Jul 10, 2015
Abstract
Jul 10, 2015
Claims
Jul 10, 2015
Description
Jul 10, 2015
Designation of inventor
Jul 10, 2015
Request for entry into the European phase
Jul 10, 2015
Request for grant of a European patent
May 29, 2015
Information on entry into European phase
Aug 13, 2014
Priority document (electronically transmitted)
Jul 24, 2014
Copy of the international search report
Jul 24, 2014
Copy of the translated international search report
Jul 24, 2014
International publication pamphlet

EP2947168

KABUSHIKI KAISHA KOBE SEIKO SHO KOBE STEEL

Application Number: EP14740895A
Filing Date: Jan 15, 2014
Status: Revoked; Jul 23, 2021
Publication Date: Mar 7, 2018
External Links: Slate, Register , Google Patents