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Method For Producing A High Strength Steel Sheet Having Improved Ductility And Formability, And Obtained Steel Sheet

Patent No. EP3394300 (titled "Method For Producing A High Strength Steel Sheet Having Improved Ductility And Formability, And Obtained Steel Sheet") was filed by Arcelormittal on Dec 20, 2016. The application was issued on May 13, 2020.

Patent Summary

Patent Family

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
JFE STEEL	Feb 12, 2021	HOFFMANN EITLE

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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Sep 12, 2022
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Sep 12, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Sep 7, 2022
Termination of the opposition proceedings with maintenance of patent
May 30, 2022
Advice of delivery
May 27, 2022
Annex to the communication - opposition
May 27, 2022
Decision of the Opposition Division and instruction
May 27, 2022
Decision rejecting the opposition
May 27, 2022
Decision rejecting the opposition
May 27, 2022
Grounds for the decision (Annex) - opposition
May 27, 2022
Means of redress
May 27, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 27, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 27, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 27, 2022
Provision of a copy of the minutes - opposition procedure
May 27, 2022
Provision of a copy of the minutes - opposition procedure
May 27, 2022
Transmittal of decision / summons - opposition
May 27, 2022
Transmittal of decision / summons - opposition
May 17, 2022
Information about the result of oral proceedings
May 16, 2022
(Electronic) Receipt
May 16, 2022
Any annexes (other than citation) to an opposition letter
May 16, 2022
Letter accompanying subsequently filed items
May 16, 2022
Written submission in preparation to/during oral proceedings
May 13, 2022
(Electronic) Receipt
May 13, 2022
Citation in opposition procedure - 011
May 13, 2022
Consolidated list of cited opposition documents
May 13, 2022
Letter accompanying subsequently filed items
May 13, 2022
Written submission in preparation to/during oral proceedings
May 12, 2022
(Electronic) Receipt
May 12, 2022
Any annexes (other than citation) to an opposition letter
May 12, 2022
Letter accompanying subsequently filed items
May 12, 2022
Written submission in preparation to/during oral proceedings
May 9, 2022
(Electronic) Receipt
May 9, 2022
Letter accompanying subsequently filed items
May 9, 2022
Written submission in preparation to/during oral proceedings
Mar 23, 2022
Brief communication - Opposition proceedings
Mar 18, 2022
Brief communication - Opposition proceedings
Mar 16, 2022
(Electronic) Receipt
Mar 16, 2022
Citation in opposition procedure - 007
Mar 16, 2022
Citation in opposition procedure - 008
Mar 16, 2022
Citation in opposition procedure - 009
Mar 16, 2022
Citation in opposition procedure - 009
Mar 16, 2022
Citation in opposition procedure - 010
Mar 16, 2022
Letter accompanying subsequently filed items
Mar 16, 2022
Written submission in preparation to/during oral proceedings
Mar 15, 2022
(Electronic) Receipt
Mar 15, 2022
Citation in opposition procedure - 006
Mar 15, 2022
Letter accompanying subsequently filed items
Mar 15, 2022
Written submission in preparation to/during oral proceedings
Feb 25, 2022
Brief communication - Opposition proceedings
Feb 22, 2022
(Electronic) Receipt
Feb 22, 2022
Letter accompanying subsequently filed items
Feb 22, 2022
Request for interpreters during oral proceedings
Dec 7, 2021
Notification concerning the date of oral proceedings
Dec 7, 2021
Notification concerning the date of oral proceedings
Oct 1, 2021
Advice of delivery
Sep 30, 2021
Annex to the communication - opposition
Sep 30, 2021
Information concerning oral proceedings
Sep 30, 2021
Scanned annex to a communication - opposition procedure
Sep 30, 2021
Summons to attend oral proceedings
Sep 30, 2021
Summons to attend oral proceedings
Sep 30, 2021
Transmittal of decision / summons - opposition
Sep 30, 2021
Transmittal of decision / summons - opposition
Jul 6, 2021
Brief communication - Opposition proceedings
Jul 1, 2021
(Electronic) Receipt
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure
Jul 1, 2021
Auxiliary request during Opposition procedure - 01
Jul 1, 2021
Auxiliary request during Opposition procedure - 02
Jul 1, 2021
Auxiliary request during Opposition procedure - 03
Jul 1, 2021
Auxiliary request during Opposition procedure - 04
Jul 1, 2021
Auxiliary request during Opposition procedure - 05
Jul 1, 2021
Auxiliary request during Opposition procedure - 06
Jul 1, 2021
Auxiliary request during Opposition procedure - 07
Jul 1, 2021
Letter accompanying subsequently filed items
Jul 1, 2021
Reply of the patent proprietor to the notice(s) of opposition
Mar 2, 2021
Communication of a notice of opposition and request to file observations
Mar 2, 2021
Notice of further oppositions to opponent(s)
Feb 18, 2021
Communication of a notice of opposition - first information to patent proprietor
Feb 15, 2021
(Electronic) Receipt
Feb 15, 2021
Letter accompanying subsequently filed items
Feb 15, 2021
Letter regarding the opposition procedure (no time limit)
Feb 12, 2021
(Electronic) Receipt
Feb 12, 2021
Citation in opposition procedure - 001
Feb 12, 2021
Citation in opposition procedure - 002
Feb 12, 2021
Citation in opposition procedure - 003
Feb 12, 2021
Citation in opposition procedure - 004
Feb 12, 2021
Citation in opposition procedure - 005
Feb 12, 2021
International publication (Pamphlet)
Feb 12, 2021
Notice of opposition
Feb 12, 2021
Notice of opposition
May 26, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 17, 2020
Decision to grant a European patent
Apr 6, 2020
Communication concerning corrected entries of the applicant
Apr 1, 2020
(Electronic) Receipt
Apr 1, 2020
Filing of the translations of the claims
Apr 1, 2020
French translation of claims
Apr 1, 2020
German translation of the claims
Apr 1, 2020
Letter accompanying subsequently filed items
Jan 31, 2020
Bibliographic data of the European patent application
Jan 31, 2020
Communication about intention to grant a European patent
Jan 31, 2020
Intention to grant (signatures)
Jan 31, 2020
Text intended for grant (clean copy)
Jan 31, 2020
Text intended for grant (version for approval)
Dec 17, 2019
(Electronic) Receipt
Dec 17, 2019
Amended claims with annotations
Dec 17, 2019
Amended description with annotations
Dec 17, 2019
Claims
Dec 17, 2019
Description
Dec 17, 2019
Letter accompanying subsequently filed items
Dec 17, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Sep 18, 2019
Bibliographic data of the European patent application
Sep 18, 2019
Communication about intention to grant a European patent
Sep 18, 2019
Intention to grant (signatures)
Sep 18, 2019
Text intended for grant (clean copy)
Sep 18, 2019
Text intended for grant (version for approval)
Aug 12, 2019
Examination started
Oct 31, 2018
Refund of fees
Oct 4, 2018
Letter concerning the priority
Oct 4, 2018
Notification on forthcoming publication of bibliographic data
Oct 4, 2018
Priority document
Sep 3, 2018
(Electronic) Receipt
Sep 3, 2018
Amended claims filed after receipt of (European) search report
Sep 3, 2018
Amended claims with annotations
Sep 3, 2018
Amended description filed after receipt of (European) search report
Sep 3, 2018
Amended description with annotations
Sep 3, 2018
Amendments received before examination
Sep 3, 2018
Letter accompanying subsequently filed items
Aug 31, 2018
Invitation to file priority document
Jul 27, 2018
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jul 27, 2018
Communication to designated inventor
Jul 27, 2018
Communication to designated inventor
Jul 27, 2018
Communication to designated inventor
Jul 21, 2018
Priority search results copy provided by EPO
Jun 26, 2018
Annexes to the international preliminary examination report
Jun 26, 2018
Annexes to the international preliminary examination report
Jun 26, 2018
Annexes to the international preliminary examination report
Jun 26, 2018
Copy of the international preliminary examination report
Jun 21, 2018
(Electronic) Receipt
Jun 21, 2018
Matter concerning the application
Jun 21, 2018
Request for entry into the European phase
May 4, 2018
Information on entry into European phase
Mar 29, 2018
Annex to International preliminary examination report
Mar 29, 2018
International preliminary examination report
Mar 29, 2018
International preliminary examination report - free text sheet
Mar 29, 2018
International preliminary examination report - points I-VIII
Mar 29, 2018
Transmittal of International Preliminary Examination Report
Jan 22, 2018
Annex
Jan 22, 2018
Annex
Jan 22, 2018
Annex
Jan 22, 2018
Annex
Jan 22, 2018
PCT(IPEA): Amended sheet - claims
Jan 22, 2018
PCT(IPEA): Amended sheet - claims
Jan 22, 2018
PCT(IPEA): Amended sheet - claims
Jan 22, 2018
PCT(IPEA): Amended sheet - claims
Jan 22, 2018
PCT(IPEA): Amended sheet - description
Jan 22, 2018
PCT(IPEA): Amended sheet - description
Jan 22, 2018
PCT(IPEA): Amended sheet - description
Jan 22, 2018
PCT(IPEA): Amended sheet - description
Jan 22, 2018
Reply to communication PCT/IPEA/408
Jan 22, 2018
Reply to communication PCT/IPEA/408
Nov 28, 2017
Written opinion
Nov 28, 2017
Written opinion - free text sheet
Nov 28, 2017
Written opinion - points I-VIII
Nov 7, 2017
Notification of election of EPO
Oct 20, 2017
Notification of receipt of demand
Oct 17, 2017
PCT demand form
Oct 16, 2017
(Electronic) Receipt
Oct 16, 2017
Payment of fees and costs
Oct 16, 2017
Reply to International Search Opinion
Jun 29, 2017
Copy of the international search report
Jun 29, 2017
Published international application - A1
Apr 4, 2017
ISR: cited documents
Apr 3, 2017
Written opinion of the ISA, boxes No. I to VIII
Apr 3, 2017
Written opinion of the ISA, cover sheet
Apr 3, 2017
Written opinion of the ISA, supplemental box
Jan 23, 2017
Notification of receipt of Search copy
Jan 20, 2017
Notification of the international application number and of the international filing date
Jan 17, 2017
Request form for international application (copy for ISA/EP)
Dec 20, 2016
(Electronic) Receipt
Dec 20, 2016
Abstract
Dec 20, 2016
Claims
Dec 20, 2016
Description
Dec 20, 2016
Document concerning fees and payments
Dec 20, 2016
Drawings
Dec 20, 2016
Electronic request for grant of an International application

EP3394300

ARCELORMITTAL

Application Number: EP16822986A
Filing Date: Dec 20, 2016
Status: Opposition Rejected; Sep 9, 2022
Publication Date: May 13, 2020
External Links: Slate, Register , Google Patents