Support Assembly For A Boiler

Patent No. EP3791112 (titled "Support Assembly For A Boiler") was filed by Valmet on Apr 16, 2019. The application was issued on Sep 14, 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
SUMITOMO SHI FW ENERGIA	Jun 13, 2023	GENIP

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 16, 2026
F3013 Oral Proceedings: Forwarding minutes
Jan 16, 2026
F3013 Oral Proceedings: Forwarding minutes
Jan 16, 2026
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Nov 6, 2025
(Electronic) Receipt
Nov 6, 2025
Amended description with annotations
Nov 6, 2025
Amended description with annotations
Nov 6, 2025
Amended description with annotations
Nov 6, 2025
Description
Nov 6, 2025
Description
Nov 6, 2025
Description
Nov 6, 2025
F3345 Forwarding of submissions to parties
Nov 6, 2025
Letter accompanying subsequently filed items
Nov 6, 2025
Letter dealing with oral proceedings during the appeal procedure
Nov 6, 2025
Oral proceedings: reply to date proposed
Oct 10, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 10, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 19, 2025
F3345 Forwarding of submissions to parties
Sep 16, 2025
(Electronic) Receipt
Sep 16, 2025
Letter accompanying subsequently filed items
Sep 2, 2025
Oral proceedings: change of venue
Sep 2, 2025
Oral proceedings: change of venue
Aug 27, 2025
(Electronic) Receipt
Aug 27, 2025
F3345 Forwarding of submissions to parties
Aug 27, 2025
Letter accompanying subsequently filed items
Aug 27, 2025
Letter dealing with oral proceedings during the appeal procedure
Aug 26, 2025
(Electronic) Receipt
Aug 26, 2025
F3345 Forwarding of submissions to parties
Aug 26, 2025
Letter accompanying subsequently filed items
Aug 26, 2025
Letter dealing with oral proceedings during the appeal procedure
Jul 31, 2025
F3011.1 Oral Proceedings: summons
Jul 31, 2025
F3011.1 Oral Proceedings: summons
Jul 28, 2025
F3010 Oral proceedings: order for summons
Sep 30, 2024
F3345 Forwarding of submissions to parties
Sep 25, 2024
(Electronic) Receipt
Sep 25, 2024
Citation in appeal procedure - 006
Sep 25, 2024
Letter accompanying subsequently filed items
Sep 25, 2024
Letter relating to Appeal Procedure
Sep 2, 2024
F3345 Forwarding of submissions to parties
Aug 28, 2024
(Electronic) Receipt
Aug 28, 2024
Letter accompanying subsequently filed items
Aug 28, 2024
Reply to appeal
Apr 29, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 24, 2024
(Electronic) Receipt
Apr 24, 2024
Amended claims with annotations
Apr 24, 2024
Amended claims with annotations
Apr 24, 2024
Amended claims with annotations
Apr 24, 2024
Auxiliary request during appeals procedure - 01
Apr 24, 2024
Auxiliary request during appeals procedure - 02
Apr 24, 2024
Letter accompanying subsequently filed items
Apr 24, 2024
Main request during appeals procedure
Apr 24, 2024
Statement of grounds of appeal
Apr 10, 2024
Composition of the board (T)
Mar 18, 2024
F3204 Communication of the file number to the parties
Mar 18, 2024
F3204 Communication of the file number to the parties
Mar 13, 2024
(Electronic) Receipt
Mar 13, 2024
Letter accompanying subsequently filed items
Mar 13, 2024
Notice of appeal
Feb 6, 2024
Brief communication - Opposition proceedings
Feb 6, 2024
Brief communication - Opposition proceedings
Feb 6, 2024
Decision of the Opposition Division and instruction
Feb 6, 2024
Decision revoking the European patent
Feb 6, 2024
Decision revoking the European patent
Feb 6, 2024
Grounds for the decision (Annex) - opposition
Feb 6, 2024
Means of redress
Feb 6, 2024
Scanned annex to a communication - opposition procedure
Oct 27, 2023
Brief communication - Opposition proceedings
Oct 24, 2023
(Electronic) Receipt
Oct 24, 2023
Auxiliary request during Opposition procedure - 01
Oct 24, 2023
Letter accompanying subsequently filed items
Oct 24, 2023
Main request during Opposition procedure
Oct 24, 2023
Reply of the patent proprietor to the notice(s) of opposition
Jun 28, 2023
Communication of a notice of opposition and request to file observations
Jun 28, 2023
Notice of further oppositions to opponent(s)
Jun 19, 2023
Communication of a notice of opposition - first information to patent proprietor
Jun 13, 2023
(Electronic) Receipt
Jun 13, 2023
Citation in opposition procedure - 001
Jun 13, 2023
Citation in opposition procedure - 002
Jun 13, 2023
Citation in opposition procedure - 003
Jun 13, 2023
Citation in opposition procedure - 004
Jun 13, 2023
Citation in opposition procedure - 005
Jun 13, 2023
Consolidated list of cited opposition documents
Jun 13, 2023
Notice of opposition
Jun 13, 2023
Notice of opposition
Sep 27, 2022
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 19, 2022
Decision to grant a European patent
Aug 8, 2022
(Electronic) Receipt
Aug 8, 2022
Filing of the translations of the claims
Aug 8, 2022
French translation of claims
Aug 8, 2022
German translation of the claims
Aug 8, 2022
Letter accompanying subsequently filed items
Jul 18, 2022
Bibliographic data of the European patent application
Jul 18, 2022
Communication about intention to grant a European patent
Jul 18, 2022
Intention to grant (signatures)
Jul 18, 2022
Text intended for grant (clean copy)
Jul 18, 2022
Text intended for grant (version for approval)
Jun 2, 2022
(Electronic) Receipt
Jun 2, 2022
Amended claims with annotations
Jun 2, 2022
Amended description with annotations
Jun 2, 2022
Claims
Jun 2, 2022
Description
Jun 2, 2022
Letter accompanying subsequently filed items
Jun 2, 2022
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 18, 2022
Bibliographic data of the European patent application
Feb 18, 2022
Communication about intention to grant a European patent
Feb 18, 2022
Intention to grant (signatures)
Feb 18, 2022
Text intended for grant (clean copy)
Feb 18, 2022
Text intended for grant (version for approval)
Dec 16, 2021
Examination started
Feb 23, 2021
Document concerning representation
Feb 17, 2021
Notification on forthcoming publication of bibliographic data
Jan 20, 2021
Refund of fees
Jan 8, 2021
(Electronic) Receipt
Jan 8, 2021
Amended claims filed after receipt of (European) search report
Jan 8, 2021
Amended claims with annotations
Jan 8, 2021
Amended description filed after receipt of (European) search report
Jan 8, 2021
Amended description with annotations
Jan 8, 2021
Amendments received before examination
Jan 8, 2021
Letter accompanying subsequently filed items
Dec 18, 2020
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Dec 16, 2020
Communication to designated inventor
Dec 16, 2020
Communication to designated inventor
Nov 24, 2020
Notice on debiting of fees
Nov 16, 2020
Annexes to the international preliminary examination report
Nov 16, 2020
Copy of the international preliminary examination report
Nov 11, 2020
(Electronic) Receipt
Nov 11, 2020
Annexes to the international preliminary examination report
Nov 11, 2020
Copy of the international preliminary examination report
Nov 11, 2020
Priority search results
Nov 11, 2020
Request for entry into the European phase
Sep 18, 2020
Information on entry into European phase
Jun 5, 2020
Annex to International preliminary examination report
Jun 5, 2020
International preliminary examination report
Jun 5, 2020
International preliminary examination report - free text sheet
Jun 5, 2020
International preliminary examination report - points I-VIII
Jun 5, 2020
Transmittal of International Preliminary Examination Report
Feb 17, 2020
Notification of election of EPO
Feb 4, 2020
Amendments of documents (Article 19 PCT) (without attachments)
Jan 29, 2020
Priority document (electronically transmitted)
Jan 27, 2020
Notification of receipt of demand
Jan 22, 2020
(Electronic) Receipt
Jan 22, 2020
PCT demand form
Jan 22, 2020
PCT(IPEA): Amended sheet - claims
Jan 22, 2020
PCT(IPEA): Amended sheet - claims
Jan 22, 2020
Payment of fees and costs
Jan 22, 2020
Reply to International Search Opinion
Nov 14, 2019
Copy of the international search report
Nov 14, 2019
Published international application - A1
Jul 22, 2019
ISR: cited documents
Jul 22, 2019
Written opinion of the ISA, boxes No. I to VIII
Jul 22, 2019
Written opinion of the ISA, cover sheet
Jul 22, 2019
Written opinion of the ISA, supplemental box
May 13, 2019
Notification of receipt of Search copy
Apr 26, 2019
Abstract
Apr 26, 2019
Claims
Apr 26, 2019
Description
Apr 26, 2019
Drawings
Apr 26, 2019
Request form for international application (copy for ISA/EP)

EP3791112

VALMET

Application Number: EP19720139A
Filing Date: Apr 16, 2019
Status: Granted And Under Opposition; Aug 12, 2022
Publication Date: Sep 14, 2022
External Links: Slate, Register , Google Patents

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EP3791112