Improved Method Of Running A Cold Rolling Mill

Patent No. EP3883702 (titled "Improved Method Of Running A Cold Rolling Mill") was filed by Cockerill Maintenance & Ingenierie on Oct 29, 2019. The application was issued on Oct 19, 2022.

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
PRIMETALS AUSTRIA	Jul 18, 2023	METALSLINZ

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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Dec 1, 2025
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 25, 2025
(Electronic) Receipt
Nov 25, 2025
Annexes (other than cited documents) regarding appeal procedure
Nov 25, 2025
Annexes (other than cited documents) regarding appeal procedure
Nov 25, 2025
Annexes (other than cited documents) regarding appeal procedure
Nov 25, 2025
Annexes (other than cited documents) regarding appeal procedure
Nov 25, 2025
Non-Patent Literature cited during the appeal procedure
Nov 25, 2025
Notice of appeal
Nov 25, 2025
Patent Document cited during the appeal procedure
Nov 25, 2025
Patent Document cited during the appeal procedure
Nov 25, 2025
Patent Document cited during the appeal procedure
Nov 25, 2025
Patent Document cited during the appeal procedure
Nov 25, 2025
Patent Document cited during the appeal procedure
Nov 25, 2025
Patent Document cited during the appeal procedure
Nov 25, 2025
Patent Document cited during the appeal procedure
Nov 25, 2025
Patent Document cited during the appeal procedure
Nov 25, 2025
Patent Document cited during the appeal procedure
Nov 25, 2025
Patent Document cited during the appeal procedure
Nov 25, 2025
Patent Document cited during the appeal procedure
Nov 25, 2025
Statement of grounds of appeal
Oct 1, 2025
F3204 Communication of the file number to the parties
Oct 1, 2025
F3204 Communication of the file number to the parties
Sep 30, 2025
(Electronic) Receipt
Sep 30, 2025
Letter accompanying subsequently filed items
Sep 30, 2025
Notice of appeal
Aug 1, 2025
Annex to the communication - opposition
Aug 1, 2025
Brief communication - Opposition proceedings
Aug 1, 2025
Brief communication - Opposition proceedings
Aug 1, 2025
Decision of the Opposition Division and instruction
Aug 1, 2025
Druckexemplar in opposition procedure
Aug 1, 2025
Grounds for the decision (Annex) - opposition
Aug 1, 2025
Interlocutory decision in opposition proceedings
Aug 1, 2025
Interlocutory decision in opposition proceedings
Aug 1, 2025
Means of redress
Aug 1, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 1, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 1, 2025
Provision of a copy of the minutes - opposition procedure
Aug 1, 2025
Provision of a copy of the minutes - opposition procedure
Aug 1, 2025
Scanned annex to a communication - opposition procedure
Aug 1, 2025
Scanned annex to a communication - opposition procedure
Aug 1, 2025
Scanned annex to a communication - opposition procedure
Aug 1, 2025
Scanned annex to a communication - opposition procedure
Aug 1, 2025
Scanned annex to a communication - opposition procedure
Jul 8, 2025
Information about the result of oral proceedings
May 12, 2025
Brief communication - Opposition proceedings
May 9, 2025
(Electronic) Receipt
May 9, 2025
Brief communication - Opposition proceedings
May 9, 2025
Letter accompanying subsequently filed items
May 9, 2025
Written submission in preparation to/during oral proceedings
May 8, 2025
(Electronic) Receipt
May 8, 2025
(Electronic) Receipt
May 8, 2025
Authorisation
May 8, 2025
Letter accompanying subsequently filed items
May 8, 2025
Letter accompanying subsequently filed items
May 8, 2025
Request for interpreters during oral proceedings
May 8, 2025
Written submission in preparation to/during oral proceedings
May 6, 2025
(Electronic) Receipt
May 6, 2025
Auxiliary request during Opposition procedure
May 6, 2025
Auxiliary request during Opposition procedure
May 6, 2025
Auxiliary request during Opposition procedure
May 6, 2025
Auxiliary request during Opposition procedure
May 6, 2025
Auxiliary request during Opposition procedure
May 6, 2025
Auxiliary request during Opposition procedure
May 6, 2025
Auxiliary request during Opposition procedure - 01
May 6, 2025
Auxiliary request during Opposition procedure - 02
May 6, 2025
Auxiliary request during Opposition procedure - 03
May 6, 2025
Auxiliary request during Opposition procedure - 04
May 6, 2025
Auxiliary request during Opposition procedure - 05
May 6, 2025
Auxiliary request during Opposition procedure - 06
May 6, 2025
Letter accompanying subsequently filed items
May 6, 2025
Main request during Opposition procedure
May 6, 2025
Written submission in preparation to/during oral proceedings
Jul 29, 2024
Annex to the communication - opposition
Jul 29, 2024
Information concerning oral proceedings
Jul 29, 2024
Scanned annex to a communication - opposition procedure
Jul 29, 2024
Summons to attend oral proceedings
Jul 29, 2024
Summons to attend oral proceedings
Dec 4, 2023
Brief communication - Opposition proceedings
Nov 28, 2023
(Electronic) Receipt
Nov 28, 2023
Letter accompanying subsequently filed items
Nov 28, 2023
Reply of the patent proprietor to the notice(s) of opposition
Jul 31, 2023
Communication of a notice of opposition and request to file observations
Jul 31, 2023
Notice of further oppositions to opponent(s)
Jul 24, 2023
Communication of a notice of opposition - first information to patent proprietor
Jul 18, 2023
(Electronic) Receipt
Jul 18, 2023
Any annexes (other than citation) to an opposition letter
Jul 18, 2023
Citation in opposition procedure - 001
Jul 18, 2023
Citation in opposition procedure - 002
Jul 18, 2023
Citation in opposition procedure - 003
Jul 18, 2023
Citation in opposition procedure - 004
Jul 18, 2023
Citation in opposition procedure - 004
Jul 18, 2023
Citation in opposition procedure - 005
Jul 18, 2023
Citation in opposition procedure - 006
Jul 18, 2023
Citation in opposition procedure - 006
Jul 18, 2023
Citation in opposition procedure - 007
Jul 18, 2023
Citation in opposition procedure - 007
Jul 18, 2023
Citation in opposition procedure - 008
Jul 18, 2023
Citation in opposition procedure - 009
Jul 18, 2023
Citation in opposition procedure - 010
Jul 18, 2023
Citation in opposition procedure - 011
Jul 18, 2023
Citation in opposition procedure - 011
Jul 18, 2023
Citation in opposition procedure - 012
Jul 18, 2023
Consolidated list of cited opposition documents
Jul 18, 2023
Notice of opposition
Jul 18, 2023
Notice of opposition
Nov 2, 2022
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 22, 2022
Decision to grant a European patent
Sep 8, 2022
(Electronic) Receipt
Sep 8, 2022
Filing of the translations of the claims
Sep 8, 2022
French translation of claims
Sep 8, 2022
German translation of the claims
Sep 8, 2022
Letter accompanying subsequently filed items
Jun 7, 2022
Bibliographic data of the European patent application
Jun 7, 2022
Communication about intention to grant a European patent
Jun 7, 2022
Intention to grant (signatures)
Jun 7, 2022
Text intended for grant (clean copy)
Jun 7, 2022
Text intended for grant (version for approval)
May 10, 2022
Examination started
Apr 20, 2022
Communication of the registration of a transfer or change of name and/or address
Apr 12, 2022
Annexes in respect of a client data request
Apr 12, 2022
Annexes in respect of a client data request
Apr 12, 2022
Letter accompanying subsequently filed items
Apr 12, 2022
Submission concerning change of applicant's name
Dec 7, 2021
Notice drawing attention to the payment of the renewal fee and additional fee
Sep 1, 2021
Notification on forthcoming publication of bibliographic data
Jun 30, 2021
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jun 23, 2021
Priority search results copy provided by EPO
May 31, 2021
Annexes to the international preliminary examination report
May 31, 2021
Copy of the international preliminary examination report
May 12, 2021
Information regarding early processing
May 3, 2021
(Electronic) Receipt
May 3, 2021
Request for entry into the European phase
Apr 6, 2021
Information on entry into European phase
Mar 12, 2021
Notification of the recording of a change
Mar 12, 2021
Notification of the recording of a change
Nov 26, 2020
Annex to International preliminary examination report
Nov 26, 2020
International preliminary examination report
Nov 26, 2020
International preliminary examination report - free text sheet
Nov 26, 2020
International preliminary examination report - points I-VIII
Nov 26, 2020
Transmittal of International Preliminary Examination Report
Sep 10, 2020
Notification of election of EPO
Sep 3, 2020
Amendments of documents (Article 19 PCT) (without attachments)
Aug 20, 2020
Notification of receipt of demand
Aug 14, 2020
(Electronic) Receipt
Aug 14, 2020
PCT demand form
Aug 14, 2020
PCT(IPEA): Amended sheet - claims
Aug 14, 2020
PCT(IPEA): Amended sheet - claims
Aug 14, 2020
PCT(IPEA): Amended sheet - description
Aug 14, 2020
PCT(IPEA): Amended sheet - description
Aug 14, 2020
Payment of fees and costs
Aug 14, 2020
Reply to International Search Opinion
Jun 17, 2020
Priority document (electronically transmitted)
May 28, 2020
Copy of the international search report
May 28, 2020
Published international application - A1
Jan 17, 2020
ISR: cited documents
Jan 17, 2020
Written opinion of the ISA, boxes No. I to VIII
Jan 17, 2020
Written opinion of the ISA, cover sheet
Jan 17, 2020
Written opinion of the ISA, supplemental box
Dec 3, 2019
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Dec 3, 2019
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Nov 18, 2019
(Electronic) Receipt
Nov 18, 2019
Incoming letter related to PCT RO
Nov 18, 2019
Incoming letter related to PCT RO
Nov 18, 2019
Incoming letter related to PCT RO
Nov 18, 2019
RO101 Declaration
Nov 8, 2019
Notification of receipt of Search copy
Nov 7, 2019
Notification of the international application number and of the international filing date
Nov 4, 2019
Request form for international application (copy for ISA/EP)
Oct 29, 2019
(Electronic) Receipt
Oct 29, 2019
Abstract
Oct 29, 2019
Claims
Oct 29, 2019
Description
Oct 29, 2019
Document concerning fees and payments
Oct 29, 2019
Drawings
Oct 29, 2019
Electronic request for grant of an International application
Oct 29, 2019
Priority document (RO-procedure)

EP3883702

COCKERILL MAINTENANCE & INGENIERIE

Application Number: EP19794566A
Filing Date: Oct 29, 2019
Status: Granted And Under Opposition; Sep 16, 2022
Publication Date: Oct 19, 2022
External Links: Slate, Register , Google Patents

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Improved Method Of Running A Cold Rolling Mill

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Dossier Documents

EP3883702