A Hot-Dip Coated Steel Substrate

Patent No. EP3728681 (titled "A Hot-Dip Coated Steel Substrate") was filed by Arcelormittal on Oct 22, 2018. The application was issued on Sep 22, 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
SALZGITTER FLACHSTAHL	Jun 22, 2022	MOSER GOTZE & PARTNER PATENTANWALTE MBB

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 30, 2024
Brief communication - Opposition proceedings
Jul 30, 2024
Brief communication - Opposition proceedings
Jul 30, 2024
Decision rejecting the opposition
Jul 30, 2024
Decision rejecting the opposition
Jul 30, 2024
Grounds for the decision (Annex) - opposition
Jul 30, 2024
Means of redress
Jul 26, 2024
Decision of the Opposition Division and instruction
Jul 5, 2024
Notification concerning the date of oral proceedings
Jul 5, 2024
Notification concerning the date of oral proceedings
Jul 3, 2024
Brief communication - Opposition proceedings
Jul 2, 2024
(Electronic) Receipt
Jul 2, 2024
Letter accompanying subsequently filed items
Jul 2, 2024
Withdrawal of a request for oral proceedings
Jun 20, 2024
Brief communication - Opposition proceedings
Jun 17, 2024
(Electronic) Receipt
Jun 17, 2024
Letter accompanying subsequently filed items
Jun 17, 2024
Written submission in preparation to/during oral proceedings
May 14, 2024
Brief communication - Opposition proceedings
May 8, 2024
(Electronic) Receipt
May 8, 2024
Letter accompanying subsequently filed items
May 8, 2024
Written submission in preparation to/during oral proceedings
May 3, 2024
Brief communication - Opposition proceedings
Apr 26, 2024
(Electronic) Receipt
Apr 26, 2024
(Electronic) Receipt
Apr 26, 2024
Brief communication - Opposition proceedings
Apr 26, 2024
Letter accompanying subsequently filed items
Apr 26, 2024
Request for interpreters during oral proceedings
Apr 26, 2024
Written submission in preparation to/during oral proceedings
Apr 18, 2024
(Electronic) Receipt
Apr 18, 2024
Auxiliary request during Opposition procedure
Apr 18, 2024
Auxiliary request during Opposition procedure - 16
Apr 18, 2024
Letter accompanying subsequently filed items
Apr 18, 2024
Written submission in preparation to/during oral proceedings
Nov 23, 2023
Advice of delivery
Nov 20, 2023
Annex to the communication - opposition
Nov 20, 2023
Information concerning oral proceedings
Nov 20, 2023
Summons to attend oral proceedings
Nov 20, 2023
Summons to attend oral proceedings
Nov 20, 2023
Transmittal of decision / summons - opposition
Nov 20, 2023
Transmittal of decision / summons - opposition
Nov 4, 2022
Brief communication - Opposition proceedings
Oct 31, 2022
(Electronic) Receipt
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure
Oct 31, 2022
Auxiliary request during Opposition procedure - 01
Oct 31, 2022
Auxiliary request during Opposition procedure - 02
Oct 31, 2022
Auxiliary request during Opposition procedure - 03
Oct 31, 2022
Auxiliary request during Opposition procedure - 04
Oct 31, 2022
Auxiliary request during Opposition procedure - 05
Oct 31, 2022
Auxiliary request during Opposition procedure - 06
Oct 31, 2022
Auxiliary request during Opposition procedure - 07
Oct 31, 2022
Auxiliary request during Opposition procedure - 08
Oct 31, 2022
Auxiliary request during Opposition procedure - 09
Oct 31, 2022
Auxiliary request during Opposition procedure - 10
Oct 31, 2022
Auxiliary request during Opposition procedure - 11
Oct 31, 2022
Auxiliary request during Opposition procedure - 12
Oct 31, 2022
Auxiliary request during Opposition procedure - 13
Oct 31, 2022
Auxiliary request during Opposition procedure - 14
Oct 31, 2022
Auxiliary request during Opposition procedure - 15
Oct 31, 2022
Letter accompanying subsequently filed items
Oct 31, 2022
Reply of the patent proprietor to the notice(s) of opposition
Jul 4, 2022
Communication of a notice of opposition and request to file observations
Jul 4, 2022
Notice of further oppositions to opponent(s)
Jun 28, 2022
Communication of a notice of opposition - first information to patent proprietor
Jun 22, 2022
(Electronic) Receipt
Jun 22, 2022
Citation in opposition procedure - 001
Jun 22, 2022
Citation in opposition procedure - 002
Jun 22, 2022
Citation in opposition procedure - 002
Jun 22, 2022
Citation in opposition procedure - 003
Jun 22, 2022
Citation in opposition procedure - 003
Jun 22, 2022
Citation in opposition procedure - 004
Jun 22, 2022
Citation in opposition procedure - 005
Jun 22, 2022
Citation in opposition procedure - 005
Jun 22, 2022
Citation in opposition procedure - 006
Jun 22, 2022
Citation in opposition procedure - 006
Jun 22, 2022
Citation in opposition procedure - 007
Jun 22, 2022
Citation in opposition procedure - 008
Jun 22, 2022
Citation in opposition procedure - 009
Jun 22, 2022
Citation in opposition procedure - 010
Jun 22, 2022
Citation in opposition procedure - 010
Jun 22, 2022
Consolidated list of cited opposition documents
Jun 22, 2022
Notice of opposition
Jun 22, 2022
Notice of opposition
Oct 5, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 26, 2021
Decision to grant a European patent
Aug 12, 2021
(Electronic) Receipt
Aug 12, 2021
Filing of the translations of the claims
Aug 12, 2021
French translation of claims
Aug 12, 2021
German translation of the claims
Aug 12, 2021
Letter accompanying subsequently filed items
Jul 28, 2021
Communication concerning the filing of a power of attorney
Jul 28, 2021
Communication of amended entries concerning the representative
Jul 22, 2021
(Electronic) Receipt
Jul 22, 2021
General authorisation
Jul 22, 2021
Letter accompanying subsequently filed items
Jul 22, 2021
Submission concerning change of applicant's representative
Apr 26, 2021
Bibliographic data of the European patent application
Apr 26, 2021
Communication about intention to grant a European patent
Apr 26, 2021
Intention to grant (signatures)
Apr 26, 2021
Text intended for grant (clean copy)
Apr 26, 2021
Text intended for grant (version for approval)
Mar 29, 2021
Examination started
Sep 30, 2020
Notification on forthcoming publication of bibliographic data
Jul 29, 2020
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jul 27, 2020
Communication to designated inventor
Jul 27, 2020
Communication to designated inventor
Jul 22, 2020
Priority search results copy provided by EPO
Jul 6, 2020
Copy of the international preliminary report on patentability
May 13, 2020
Letter relating to the automatic debiting procedure
May 13, 2020
Matter concerning the application
May 13, 2020
Request for entry into the European phase
May 4, 2020
Information on entry into European phase
Jul 19, 2019
Priority document (electronically transmitted)
Jun 27, 2019
Copy of the international search report
Jun 27, 2019
Published international application - A1
Dec 17, 2018
ISR: cited documents
Dec 14, 2018
Written opinion of the ISA, boxes No. I to VIII
Dec 14, 2018
Written opinion of the ISA, cover sheet
Dec 14, 2018
Written opinion of the ISA, supplemental box
Nov 20, 2018
Notification of receipt of Search copy
Nov 10, 2018
Abstract
Nov 10, 2018
Claims
Nov 10, 2018
Communication in Cases for Which No Other Form Is Applicable (copy for ISA/EP)
Nov 10, 2018
Description
Nov 10, 2018
Request form for international application (copy for ISA/EP)

EP3728681

ARCELORMITTAL

Application Number: EP18797152A
Filing Date: Oct 22, 2018
Status: Opposition Rejected; Feb 21, 2025
Publication Date: Sep 22, 2021
External Links: Slate, Register , Google Patents

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A Hot-Dip Coated Steel Substrate

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Dossier Documents

EP3728681