Method For Producing High Strength Hot-Dip Galvanized Steel Sheet

Patent No. EP3502300 (titled "Method For Producing High Strength Hot-Dip Galvanized Steel Sheet") was filed by JFE Steel on Sep 14, 2017. The application was issued on Jan 13, 2021.

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
TATA STEEL NEDERLAND TECHNOLOGY	Oct 13, 2021	MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC

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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Feb 12, 2025
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Feb 12, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Nov 8, 2024
Annex to the communication - opposition
Nov 8, 2024
Brief communication - Opposition proceedings
Nov 8, 2024
Brief communication - Opposition proceedings
Nov 8, 2024
Decision rejecting the opposition
Nov 8, 2024
Decision rejecting the opposition
Nov 8, 2024
Grounds for the decision (Annex) - opposition
Nov 8, 2024
Means of redress
Nov 8, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 8, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 8, 2024
Provision of a copy of the minutes - opposition procedure
Nov 8, 2024
Provision of a copy of the minutes - opposition procedure
Nov 8, 2024
Scanned annex to a communication - opposition procedure
Nov 6, 2024
Decision of the Opposition Division and instruction
Oct 11, 2024
Information about the result of oral proceedings
Oct 8, 2024
Brief communication - Opposition proceedings
Sep 30, 2024
(Electronic) Receipt
Sep 30, 2024
Letter accompanying subsequently filed items
Sep 30, 2024
Written submission in preparation to/during oral proceedings
Aug 9, 2024
Brief communication - Opposition proceedings
Aug 6, 2024
(Electronic) Receipt
Aug 6, 2024
Citation in opposition procedure - 015
Aug 6, 2024
Citation in opposition procedure - 016
Aug 6, 2024
Citation in opposition procedure - 017
Aug 6, 2024
Consolidated list of cited opposition documents
Aug 6, 2024
Letter accompanying subsequently filed items
Aug 6, 2024
Written submission in preparation to/during oral proceedings
Aug 1, 2024
Brief communication - Opposition proceedings
Jul 26, 2024
(Electronic) Receipt
Jul 26, 2024
Letter accompanying subsequently filed items
Jul 26, 2024
Written submission in preparation to/during oral proceedings
Apr 22, 2024
Annex to the communication - opposition
Apr 22, 2024
Brief communication - Opposition proceedings
Apr 22, 2024
Brief communication - Opposition proceedings
Apr 22, 2024
Information concerning oral proceedings
Apr 22, 2024
Scanned annex to a communication - opposition procedure
Apr 22, 2024
Summons to attend oral proceedings
Apr 22, 2024
Summons to attend oral proceedings
Jan 23, 2023
Brief communication - Opposition proceedings
Jan 13, 2023
(Electronic) Receipt
Jan 13, 2023
Citation in opposition procedure - 014
Jan 13, 2023
Letter accompanying subsequently filed items
Jan 13, 2023
Letter regarding the opposition procedure (no time limit)
Sep 5, 2022
Brief communication - Opposition proceedings
Aug 31, 2022
(Electronic) Receipt
Aug 31, 2022
Letter accompanying subsequently filed items
Aug 31, 2022
Letter regarding the opposition procedure (no time limit)
Jul 1, 2022
Brief communication - Opposition proceedings
Jun 21, 2022
(Electronic) Receipt
Jun 21, 2022
Letter accompanying subsequently filed items
Jun 21, 2022
Letter regarding the opposition procedure (no time limit)
Mar 8, 2022
Brief communication - Opposition proceedings
Mar 3, 2022
(Electronic) Receipt
Mar 3, 2022
Auxiliary request during Opposition procedure
Mar 3, 2022
Auxiliary request during Opposition procedure - 01
Mar 3, 2022
Letter accompanying subsequently filed items
Mar 3, 2022
Reply of the patent proprietor to the notice(s) of opposition
Oct 25, 2021
Communication of a notice of opposition and request to file observations
Oct 25, 2021
Notice of further oppositions to opponent(s)
Oct 18, 2021
Communication of a notice of opposition - first information to patent proprietor
Oct 13, 2021
(Electronic) Receipt
Oct 13, 2021
Citation in opposition procedure - 001
Oct 13, 2021
Citation in opposition procedure - 002
Oct 13, 2021
Citation in opposition procedure - 003
Oct 13, 2021
Citation in opposition procedure - 004
Oct 13, 2021
Citation in opposition procedure - 005
Oct 13, 2021
Citation in opposition procedure - 006
Oct 13, 2021
Citation in opposition procedure - 006
Oct 13, 2021
Citation in opposition procedure - 007
Oct 13, 2021
Citation in opposition procedure - 007
Oct 13, 2021
Citation in opposition procedure - 008
Oct 13, 2021
Citation in opposition procedure - 009
Oct 13, 2021
Citation in opposition procedure - 010
Oct 13, 2021
Citation in opposition procedure - 011
Oct 13, 2021
Citation in opposition procedure - 012
Oct 13, 2021
Citation in opposition procedure - 012
Oct 13, 2021
Citation in opposition procedure - 013
Oct 13, 2021
Notice of opposition
Oct 13, 2021
Notice of opposition
Jan 25, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 17, 2020
Decision to grant a European patent
Oct 29, 2020
(Electronic) Receipt
Oct 29, 2020
French translation of claims
Oct 29, 2020
German translation of the claims
Oct 29, 2020
Letter accompanying subsequently filed items
Sep 3, 2020
Bibliographic data of the European patent application
Sep 3, 2020
Communication about intention to grant a European patent
Sep 3, 2020
Intention to grant (signatures)
Sep 3, 2020
Text intended for grant (clean copy)
Sep 3, 2020
Text intended for grant (version for approval)
Jul 3, 2020
(Electronic) Receipt
Jul 3, 2020
Amended description with annotations
Jul 3, 2020
Description
Jul 3, 2020
Letter accompanying subsequently filed items
Jul 3, 2020
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 27, 2020
Bibliographic data of the European patent application
Feb 27, 2020
Communication about intention to grant a European patent
Feb 27, 2020
Intention to grant (signatures)
Feb 27, 2020
Text intended for grant (clean copy)
Feb 27, 2020
Text intended for grant (version for approval)
Jan 29, 2020
Examination started
Jan 9, 2020
(Electronic) Receipt
Jan 9, 2020
Amended claims filed after receipt of (European) search report
Jan 9, 2020
Amended claims with annotations
Jan 9, 2020
Amendments received before examination
Jan 9, 2020
Letter accompanying subsequently filed items
Jul 16, 2019
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jun 28, 2019
Communication regarding the transmission of the European search report
Jun 28, 2019
European search opinion
Jun 28, 2019
Information on Search Strategy
Jun 28, 2019
Supplementary European search report
Jun 13, 2019
Search started
May 29, 2019
Notification of forthcoming publication
May 20, 2019
Copy of the international preliminary report on patentability
May 20, 2019
Translation of the international preliminary report on patentability
Apr 25, 2019
Submission concerning representation
Apr 24, 2019
Copy of the international preliminary report on patentability
Apr 24, 2019
Reply by International Bureau
Apr 24, 2019
Translation of the international preliminary report on patentability
Apr 24, 2019
Transmission of a document (International preliminary examination report)
Apr 16, 2019
Enquiry with the International Bureau
Apr 5, 2019
Refund of fees
Apr 2, 2019
Communication to designated inventor
Apr 2, 2019
Communication to designated inventor
Apr 2, 2019
Communication to designated inventor
Apr 2, 2019
Communication to designated inventor
Apr 2, 2019
Communication to designated inventor
Apr 2, 2019
Confirmation of effective date of early entry
Apr 2, 2019
Request for a change to the title of the invention
Mar 21, 2019
(Electronic) Receipt
Mar 21, 2019
Abstract
Mar 21, 2019
Amended description filed after receipt of (European) search report
Mar 21, 2019
Amended description with annotations
Mar 21, 2019
Annex
Mar 21, 2019
Claims
Mar 21, 2019
Description
Mar 21, 2019
Drawings
Mar 21, 2019
Request for entry into the European phase
Mar 8, 2019
Information on entry into European phase
May 22, 2018
Priority document (electronically transmitted)
May 3, 2018
Copy of the international search report
May 3, 2018
Copy of the translated international search report
May 3, 2018
International publication pamphlet

EP3502300

JFE STEEL

Application Number: EP17864391A
Filing Date: Sep 14, 2017
Status: Opposition Rejected; Feb 14, 2025
Publication Date: Jan 13, 2021
External Links: Slate, Register , Google Patents

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Method For Producing High Strength Hot-Dip Galvanized Steel Sheet

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Dossier Documents

EP3502300