Furnace Assembly For A Metal-Making Process

Patent No. EP3580512 (titled "Furnace Assembly For A Metal-Making Process") was filed by ABB Schweiz on Feb 10, 2017. The application was issued on Mar 31, 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
DANIELI & C OFFICINE MECCANICHE	Dec 23, 2021	PETRAZ

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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Jan 20, 2026
Communication of bibliographic data
Jan 20, 2026
Communication to opponent concerning maintenance
Jan 20, 2026
Communication with request to file translations
Jan 12, 2026
Maintenance of the patent with the documents specified in the final decision
Jan 5, 2026
Druckexemplar in opposition procedure
Dec 22, 2025
Decision of the Board of Appeal
Dec 22, 2025
F3032 Notification(s) of the decision
Dec 22, 2025
F3032 Notification(s) of the decision
Nov 14, 2025
F3013 Oral Proceedings: Forwarding minutes
Nov 14, 2025
F3013 Oral Proceedings: Forwarding minutes
Nov 14, 2025
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Oct 14, 2025
F3004 Communication of the Registry
Oct 14, 2025
F3004 Communication of the Registry
Oct 13, 2025
F3345 Forwarding of submissions to parties
Oct 7, 2025
(Electronic) Receipt
Oct 7, 2025
Letter accompanying subsequently filed items
Oct 7, 2025
Letter dealing with oral proceedings during the appeal procedure
Oct 7, 2025
Oral proceedings: reply to date proposed
Oct 1, 2025
F3345 Forwarding of submissions to parties
Sep 29, 2025
(Electronic) Receipt
Sep 29, 2025
(Electronic) Receipt
Sep 29, 2025
F3345 Forwarding of submissions to parties
Sep 29, 2025
Letter accompanying subsequently filed items
Sep 29, 2025
Letter accompanying subsequently filed items
Sep 29, 2025
Letter dealing with oral proceedings during the appeal procedure
Sep 29, 2025
Letter dealing with oral proceedings during the appeal procedure
Jul 29, 2025
(Electronic) Receipt
Jul 29, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 29, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 29, 2025
F3345 Forwarding of submissions to parties
Jul 29, 2025
General enquiry
Jul 29, 2025
Letter accompanying subsequently filed items
Apr 10, 2025
F3011.1 Oral Proceedings: summons
Apr 10, 2025
F3011.1 Oral Proceedings: summons
Apr 7, 2025
F3010 Oral proceedings: order for summons
Nov 8, 2024
(Electronic) Receipt
Nov 8, 2024
F3345 Forwarding of submissions to parties
Nov 8, 2024
Letter accompanying subsequently filed items
Nov 8, 2024
Letter relating to Appeal Procedure
Jun 26, 2024
F3345 Forwarding of submissions to parties
Jun 25, 2024
F3345 Forwarding of submissions to parties
Jun 21, 2024
(Electronic) Receipt
Jun 21, 2024
Letter accompanying subsequently filed items
Jun 21, 2024
Reply to appeal
Jun 19, 2024
(Electronic) Receipt
Jun 19, 2024
Letter accompanying subsequently filed items
Jun 19, 2024
Reply to appeal
Apr 10, 2024
Composition of the board (T)
Feb 21, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 21, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 15, 2024
(Electronic) Receipt
Feb 15, 2024
(Electronic) Receipt
Feb 15, 2024
Amended claims with annotations
Feb 15, 2024
Amended claims with annotations
Feb 15, 2024
Amended claims with annotations
Feb 15, 2024
Amended claims with annotations
Feb 15, 2024
Amended claims with annotations
Feb 15, 2024
Amended claims with annotations
Feb 15, 2024
Amended claims with annotations
Feb 15, 2024
Amended claims with annotations
Feb 15, 2024
Amended claims with annotations
Feb 15, 2024
Amended claims with annotations
Feb 15, 2024
Amended claims with annotations
Feb 15, 2024
Auxiliary request during appeals procedure - 03
Feb 15, 2024
Auxiliary request during appeals procedure - 04
Feb 15, 2024
Auxiliary request during appeals procedure - 05
Feb 15, 2024
Auxiliary request during appeals procedure - 06
Feb 15, 2024
Auxiliary request during appeals procedure - 07
Feb 15, 2024
Auxiliary request during appeals procedure - 08
Feb 15, 2024
Auxiliary request during appeals procedure - 09
Feb 15, 2024
Auxiliary request during appeals procedure - 10
Feb 15, 2024
Auxiliary request during appeals procedure - 11
Feb 15, 2024
Auxiliary request during appeals procedure - 12
Feb 15, 2024
Auxiliary request during appeals procedure - 13
Feb 15, 2024
Citation in appeal procedure - 014
Feb 15, 2024
Citation in appeal procedure - 014
Feb 15, 2024
Citation in appeal procedure - 015
Feb 15, 2024
Letter accompanying subsequently filed items
Feb 15, 2024
Letter accompanying subsequently filed items
Feb 15, 2024
Statement of grounds of appeal
Feb 15, 2024
Statement of grounds of appeal
Dec 21, 2023
F3204 Communication of the file number to the parties
Dec 20, 2023
F3204 Communication of the file number to the parties
Dec 15, 2023
(Electronic) Receipt
Dec 15, 2023
(Electronic) Receipt
Dec 15, 2023
Letter accompanying subsequently filed items
Dec 15, 2023
Letter accompanying subsequently filed items
Dec 15, 2023
Notice of appeal
Dec 15, 2023
Notice of appeal
Oct 5, 2023
(Electronic) Receipt
Oct 5, 2023
Advice of delivery
Oct 5, 2023
Annex to the communication - opposition
Oct 5, 2023
Druckexemplar in opposition procedure
Oct 5, 2023
Grounds for the decision (Annex) - opposition
Oct 5, 2023
Interlocutory decision in opposition proceedings
Oct 5, 2023
Interlocutory decision in opposition proceedings
Oct 5, 2023
Letter accompanying subsequently filed items
Oct 5, 2023
Means of redress
Oct 5, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 5, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 5, 2023
Provision of a copy of the minutes - opposition procedure
Oct 5, 2023
Provision of a copy of the minutes - opposition procedure
Oct 5, 2023
Scanned annex to a communication - opposition procedure
Oct 5, 2023
Scanned annex to a communication - opposition procedure
Oct 5, 2023
Transmittal of decision / summons - opposition
Oct 5, 2023
Transmittal of decision / summons - opposition
Oct 2, 2023
Decision of the Opposition Division and instruction
Jun 8, 2023
Information about the result of oral proceedings
May 19, 2023
Brief communication - Opposition proceedings
May 11, 2023
(Electronic) Receipt
May 11, 2023
Auxiliary request during Opposition procedure
May 11, 2023
Auxiliary request during Opposition procedure
May 11, 2023
Auxiliary request during Opposition procedure - 01
May 11, 2023
Auxiliary request during Opposition procedure - 02
May 11, 2023
Letter accompanying subsequently filed items
May 11, 2023
Written submission in preparation to/during oral proceedings
Apr 18, 2023
Brief communication - Opposition proceedings
Apr 13, 2023
Brief communication - Opposition proceedings
Apr 6, 2023
Letter accompanying subsequently filed items
Apr 6, 2023
Written submission in preparation to/during oral proceedings
Apr 5, 2023
(Electronic) Receipt
Apr 5, 2023
Authorisation
Apr 5, 2023
Citation in opposition procedure - 010
Apr 5, 2023
Citation in opposition procedure - 010
Apr 5, 2023
Citation in opposition procedure - 011
Apr 5, 2023
Citation in opposition procedure - 012
Apr 5, 2023
Citation in opposition procedure - 013
Apr 5, 2023
Consolidated list of cited opposition documents
Apr 5, 2023
Letter accompanying subsequently filed items
Apr 5, 2023
Written submission in preparation to/during oral proceedings
Jan 17, 2023
Advice of delivery
Jan 4, 2023
Advice of delivery
Jan 4, 2023
Information concerning oral proceedings
Jan 4, 2023
Summons to attend oral proceedings
Jan 4, 2023
Summons to attend oral proceedings
Jan 4, 2023
Transmittal of decision / summons - opposition
Jan 4, 2023
Transmittal of decision / summons - opposition
Jan 2, 2023
Notification concerning the date of oral proceedings
Jan 2, 2023
Notification concerning the date of oral proceedings
Dec 23, 2022
Brief communication - Opposition proceedings
Dec 19, 2022
(Electronic) Receipt
Dec 19, 2022
Any annexes (other than citation) to an opposition letter
Dec 19, 2022
Letter accompanying subsequently filed items
Dec 19, 2022
Oral proceedings: Request for postponement
Dec 15, 2022
Advice of delivery
Dec 15, 2022
Information concerning oral proceedings
Dec 15, 2022
Summons to attend oral proceedings
Dec 15, 2022
Summons to attend oral proceedings
Dec 15, 2022
Transmittal of decision / summons - opposition
Dec 15, 2022
Transmittal of decision / summons - opposition
Dec 13, 2022
Brief communication - Opposition proceedings
Dec 13, 2022
Notification concerning the date of oral proceedings
Dec 13, 2022
Notification concerning the date of oral proceedings
Dec 7, 2022
(Electronic) Receipt
Dec 7, 2022
Any annexes (other than citation) to an opposition letter
Dec 7, 2022
Letter accompanying subsequently filed items
Dec 7, 2022
Oral proceedings: Request for postponement
Dec 2, 2022
Notification concerning the date of oral proceedings
Dec 2, 2022
Notification concerning the date of oral proceedings
Oct 12, 2022
Advice of delivery
Oct 4, 2022
Advice of delivery
Oct 4, 2022
Annex to the communication - opposition
Oct 4, 2022
Information concerning oral proceedings
Oct 4, 2022
Scanned annex to a communication - opposition procedure
Oct 4, 2022
Summons to attend oral proceedings
Oct 4, 2022
Summons to attend oral proceedings
Oct 4, 2022
Transmittal of decision / summons - opposition
Oct 4, 2022
Transmittal of decision / summons - opposition
May 23, 2022
Brief communication - Opposition proceedings
May 18, 2022
(Electronic) Receipt
May 18, 2022
Auxiliary request during Opposition procedure
May 18, 2022
Auxiliary request during Opposition procedure
May 18, 2022
Auxiliary request during Opposition procedure
May 18, 2022
Auxiliary request during Opposition procedure
May 18, 2022
Auxiliary request during Opposition procedure
May 18, 2022
Auxiliary request during Opposition procedure
May 18, 2022
Auxiliary request during Opposition procedure
May 18, 2022
Auxiliary request during Opposition procedure
May 18, 2022
Auxiliary request during Opposition procedure
May 18, 2022
Auxiliary request during Opposition procedure
May 18, 2022
Auxiliary request during Opposition procedure - 01
May 18, 2022
Auxiliary request during Opposition procedure - 01
May 18, 2022
Auxiliary request during Opposition procedure - 01
May 18, 2022
Auxiliary request during Opposition procedure - 01
May 18, 2022
Auxiliary request during Opposition procedure - 02
May 18, 2022
Auxiliary request during Opposition procedure - 02
May 18, 2022
Auxiliary request during Opposition procedure - 02
May 18, 2022
Auxiliary request during Opposition procedure - 02
May 18, 2022
Auxiliary request during Opposition procedure - 03
May 18, 2022
Auxiliary request during Opposition procedure - 03
May 18, 2022
Letter accompanying subsequently filed items
May 18, 2022
Main request during Opposition procedure
May 18, 2022
Main request during Opposition procedure
May 18, 2022
Reply of the patent proprietor to the notice(s) of opposition
Jan 18, 2022
Communication of a notice of opposition and request to file observations
Jan 18, 2022
Notice of further oppositions to opponent(s)
Jan 11, 2022
Communication of a notice of opposition - first information to patent proprietor
Dec 23, 2021
(Electronic) Receipt
Dec 23, 2021
Authorisation
Dec 23, 2021
Citation in opposition procedure - 001
Dec 23, 2021
Citation in opposition procedure - 001
Dec 23, 2021
Citation in opposition procedure - 002
Dec 23, 2021
Citation in opposition procedure - 003
Dec 23, 2021
Citation in opposition procedure - 004
Dec 23, 2021
Citation in opposition procedure - 004
Dec 23, 2021
Citation in opposition procedure - 005
Dec 23, 2021
Citation in opposition procedure - 006
Dec 23, 2021
Citation in opposition procedure - 006
Dec 23, 2021
Citation in opposition procedure - 007
Dec 23, 2021
Citation in opposition procedure - 008
Dec 23, 2021
Citation in opposition procedure - 009
Dec 23, 2021
Notice of opposition
Dec 23, 2021
Notice of opposition
Apr 13, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 19, 2021
Communication concerning a request to change bibliographic data after the decision to grant/decision to maintain the patent in a
Mar 11, 2021
Communication of the registration of a transfer or change of name and/or address
Mar 4, 2021
Decision to grant a European patent
Jan 22, 2021
(Electronic) Receipt
Jan 22, 2021
French translation of claims
Jan 22, 2021
German translation of the claims
Jan 22, 2021
Letter accompanying subsequently filed items
Nov 3, 2020
Information about non-relevance of third-party observations
Oct 29, 2020
Transmittal of third party observations to applicant
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Citation filed by a third party
Oct 23, 2020
Observations by third parties
Oct 23, 2020
Observations by third parties
Oct 1, 2020
Bibliographic data of the European patent application
Oct 1, 2020
Communication about intention to grant a European patent
Oct 1, 2020
Intention to grant (signatures)
Oct 1, 2020
Text intended for grant (clean copy)
Oct 1, 2020
Text intended for grant (version for approval)
Sep 23, 2020
Bibliographic data of the European patent application
Aug 18, 2020
Examination started
Dec 9, 2019
(Electronic) Receipt
Dec 9, 2019
Letter accompanying subsequently filed items
Dec 3, 2019
Invitation to indicate correct address of inventor
Nov 22, 2019
Letter which had not been notified
Nov 20, 2019
Notification on forthcoming publication of bibliographic data
Oct 22, 2019
Annexes in respect of a client data request
Oct 22, 2019
Submission concerning change of applicant's representative
Oct 16, 2019
Submission concerning change of applicant's representative
Oct 14, 2019
Communication of amended entries concerning the representative
Oct 8, 2019
Submission concerning change of applicant's representative
Sep 27, 2019
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Sep 25, 2019
Communication to designated inventor
Sep 25, 2019
Communication to designated inventor
Sep 25, 2019
Communication to designated inventor
Sep 25, 2019
Communication to designated inventor
Sep 25, 2019
Communication to designated inventor
Sep 4, 2019
(Electronic) Receipt
Sep 4, 2019
Request for entry into the European phase
Aug 26, 2019
Communication to applicant regarding observations by third parties
Aug 19, 2019
Copy of the international preliminary examination report
Aug 10, 2019
Citation filed by a third party
Aug 10, 2019
Citation filed by a third party
Aug 10, 2019
Citation filed by a third party
Aug 10, 2019
Citation filed by a third party
Aug 10, 2019
Citation filed by a third party
Aug 10, 2019
Citation filed by a third party
Aug 10, 2019
Citation filed by a third party
Aug 10, 2019
Citation filed by a third party
Aug 10, 2019
Citation filed by a third party
Aug 10, 2019
Citation filed by a third party
Aug 10, 2019
Observations by third parties
Jun 24, 2019
Information on entry into European phase
Jan 9, 2019
(Electronic) Receipt
Jan 9, 2019
Letter regarding PCTII procedure
Jan 9, 2019
Letter regarding PCTII procedure
Jan 9, 2019
Submission concerning representation
Jan 8, 2019
Notification of election of EPO
Jan 4, 2019
Annex to International preliminary examination report
Jan 4, 2019
International preliminary examination report
Jan 4, 2019
International preliminary examination report - free text sheet
Jan 4, 2019
International preliminary examination report - points I-VIII
Jan 4, 2019
Transmittal of International Preliminary Examination Report
Nov 29, 2018
Notification of receipt of demand
Nov 22, 2018
(Electronic) Receipt
Nov 22, 2018
PCT demand form
Nov 22, 2018
PCT(IPEA): Amended sheet - claims
Nov 22, 2018
Payment of fees and costs
Nov 22, 2018
Reply to International Search Opinion
Nov 22, 2018
Submission concerning representation
Aug 16, 2018
Copy of the international search report
Aug 16, 2018
Published international application - A1
Jun 4, 2018
Notification of the recording of a change
Jun 4, 2018
Notification of the recording of a change
Jun 4, 2018
Notification of the recording of a change
Jun 4, 2018
Notification of the recording of a change
Jun 4, 2018
Notification of the recording of a change
Jun 4, 2018
Notification of the recording of a change
May 28, 2018
(Electronic) Receipt
May 28, 2018
(Electronic) Receipt
May 28, 2018
Incoming letter related to PCT RO
May 28, 2018
Incoming letter related to PCT RO
May 28, 2018
Incoming letter related to PCT RO
May 28, 2018
Incoming letter related to PCT RO
May 28, 2018
Incoming letter related to PCT RO
Apr 4, 2018
Notification of the recording of a change
Apr 4, 2018
Notification of the recording of a change
Mar 21, 2018
Incoming letter related to ISA procedure
Sep 21, 2017
ISR: cited documents
Sep 20, 2017
Written opinion of the ISA, boxes No. I to VIII
Sep 20, 2017
Written opinion of the ISA, cover sheet
Sep 20, 2017
Written opinion of the ISA, supplemental box
Feb 27, 2017
Notification of receipt of Search copy
Feb 27, 2017
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Feb 27, 2017
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Feb 16, 2017
Notification of the international application number and of the international filing date
Feb 14, 2017
Request form for international application (copy for ISA/EP)
Feb 10, 2017
(Electronic) Receipt
Feb 10, 2017
Abstract
Feb 10, 2017
Claims
Feb 10, 2017
Description
Feb 10, 2017
Document concerning fees and payments
Feb 10, 2017
Drawings
Feb 10, 2017
Electronic request for grant of an International application

EP3580512

ABB SCHWEIZ

Application Number: EP17704737A
Filing Date: Feb 10, 2017
Status: Granted And Under Opposition; Feb 26, 2021
Publication Date: Mar 31, 2021
External Links: Slate, Register , Google Patents

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Furnace Assembly For A Metal-Making Process

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Dossier Documents

EP3580512