A Bottom-Supported Boiler

Patent No. EP3472513 (titled "A Bottom-Supported Boiler") was filed by Sumitomo SHI FW Energia on Jun 20, 2016. The application was issued on Feb 26, 2020.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
VALMET	Nov 24, 2020	TAMPEREEN PATENTTITOIMISTO

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

Sep 24, 2026
F3345 Forwarding of submissions to parties
Sep 21, 2026
(Electronic) Receipt
Sep 21, 2026
Citation in appeal procedure - 018
Sep 21, 2026
Citation in appeal procedure - 018
Sep 21, 2026
Letter accompanying subsequently filed items
Sep 21, 2026
Reply to appeal
Jul 10, 2026
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 6, 2026
(Electronic) Receipt
Jul 6, 2026
Amended claims with annotations
Jul 6, 2026
Amended claims with annotations
Jul 6, 2026
Amended claims with annotations
Jul 6, 2026
Auxiliary request during appeals procedure - 01
Jul 6, 2026
Auxiliary request during appeals procedure - 02
Jul 6, 2026
Letter accompanying subsequently filed items
Jul 6, 2026
Main request during appeals procedure
Jul 6, 2026
Statement of grounds of appeal
May 31, 2026
F3303.14 Composition of the Board (T), in case Chairman is a legal member
May 19, 2026
F3204 Communication of the file number to the parties
May 19, 2026
F3204 Communication of the file number to the parties
May 13, 2026
(Electronic) Receipt
May 13, 2026
Notice of appeal
Apr 20, 2026
Annex to the communication - opposition
Apr 20, 2026
Brief communication - Opposition proceedings
Apr 20, 2026
Brief communication - Opposition proceedings
Apr 8, 2026
Brief communication - opposition proceedings
Apr 7, 2026
(Electronic) Receipt
Apr 7, 2026
Letter accompanying subsequently filed items
Apr 7, 2026
Request for correction
Mar 13, 2026
Annex to the communication - opposition
Mar 13, 2026
Brief communication - Opposition proceedings
Mar 13, 2026
Brief communication - Opposition proceedings
Mar 13, 2026
Decision of the Opposition Division and instruction
Mar 13, 2026
Decision revoking the European patent
Mar 13, 2026
Decision revoking the European patent
Mar 13, 2026
Grounds for the decision (Annex) - opposition
Mar 13, 2026
Means of redress
Mar 13, 2026
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 13, 2026
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 13, 2026
Provision of a copy of the minutes - opposition procedure
Mar 13, 2026
Provision of a copy of the minutes - opposition procedure
Mar 13, 2026
Scanned annex to a communication - opposition procedure
Mar 13, 2026
Scanned annex to a communication - opposition procedure
Mar 13, 2026
Scanned annex to a communication - opposition procedure
Mar 13, 2026
Scanned annex to a communication - opposition procedure
Mar 13, 2026
Scanned annex to a communication - opposition procedure
Feb 26, 2026
Information about the result of oral proceedings
Feb 2, 2026
Brief communication - Opposition proceedings
Jan 28, 2026
(Electronic) Receipt
Jan 28, 2026
Letter accompanying subsequently filed items
Jan 28, 2026
Written submission in preparation to/during oral proceedings
Jan 5, 2026
Brief communication - Opposition proceedings
Dec 22, 2025
(Electronic) Receipt
Dec 22, 2025
Auxiliary request during Opposition procedure
Dec 22, 2025
Auxiliary request during Opposition procedure
Dec 22, 2025
Auxiliary request during Opposition procedure
Dec 22, 2025
Auxiliary request during Opposition procedure - 01
Dec 22, 2025
Auxiliary request during Opposition procedure - 02
Dec 22, 2025
Auxiliary request during Opposition procedure - 03
Dec 22, 2025
Letter accompanying subsequently filed items
Dec 22, 2025
Main request during Opposition procedure
Dec 22, 2025
Main request during Opposition procedure
Dec 22, 2025
Written submission in preparation to/during oral proceedings
Dec 18, 2025
Brief communication - Opposition proceedings
Dec 15, 2025
(Electronic) Receipt
Dec 15, 2025
Letter accompanying subsequently filed items
Dec 15, 2025
Request for interpreters during oral proceedings
Oct 2, 2025
Brief communication - Opposition proceedings
Sep 29, 2025
(Electronic) Receipt
Sep 29, 2025
Letter accompanying subsequently filed items
Sep 29, 2025
Request for interpreters during oral proceedings
Jul 18, 2025
Annex to the communication - opposition
Jul 18, 2025
Information concerning oral proceedings
Jul 18, 2025
Scanned annex to a communication - opposition procedure
Jul 18, 2025
Summons to attend oral proceedings
Jul 18, 2025
Summons to attend oral proceedings
Apr 11, 2025
Decision of the Board of Appeal
Apr 11, 2025
F3032 Notification(s) of the decision
Apr 11, 2025
F3032 Notification(s) of the decision
Mar 10, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 10, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 10, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Feb 5, 2025
(Electronic) Receipt
Feb 5, 2025
F3345 Forwarding of submissions to parties
Feb 5, 2025
Letter accompanying subsequently filed items
Feb 5, 2025
Letter dealing with oral proceedings during the appeal procedure
Jan 28, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 28, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 22, 2025
F3345 Forwarding of submissions to parties
Jan 22, 2025
Oral proceedings: reply to date proposed
Dec 11, 2024
F3345 Forwarding of submissions to parties
Dec 3, 2024
(Electronic) Receipt
Dec 3, 2024
Letter accompanying subsequently filed items
Dec 3, 2024
Oral proceedings: reply to date proposed
Nov 12, 2024
F3345 Forwarding of submissions to parties
Nov 8, 2024
F3345 Forwarding of submissions to parties
Nov 8, 2024
Oral proceedings: change of venue
Nov 8, 2024
Oral proceedings: change of venue
Nov 6, 2024
(Electronic) Receipt
Nov 6, 2024
Letter accompanying subsequently filed items
Nov 6, 2024
Letter dealing with oral proceedings during the appeal procedure
Nov 1, 2024
(Electronic) Receipt
Nov 1, 2024
Letter accompanying subsequently filed items
Nov 1, 2024
Oral proceedings: reply to date proposed
Oct 15, 2024
F3011.1 Oral Proceedings: summons
Oct 15, 2024
F3011.1 Oral Proceedings: summons
Oct 10, 2024
F3010 Oral proceedings: order for summons
Mar 3, 2024
F3303.14 Composition of the Board (T), in case Chairman is a legal member
Aug 30, 2023
F3345 Forwarding of submissions to parties
Aug 25, 2023
(Electronic) Receipt
Aug 25, 2023
Amended claims with annotations
Aug 25, 2023
Amended claims with annotations
Aug 25, 2023
Amended claims with annotations
Aug 25, 2023
Amended claims with annotations
Aug 25, 2023
Amended claims with annotations
Aug 25, 2023
Amended claims with annotations
Aug 25, 2023
Auxiliary request during appeals procedure - 01
Aug 25, 2023
Auxiliary request during appeals procedure - 02
Aug 25, 2023
Auxiliary request during appeals procedure - 03
Aug 25, 2023
Auxiliary request during appeals procedure - 04
Aug 25, 2023
Auxiliary request during appeals procedure - 05
Aug 25, 2023
Auxiliary request during appeals procedure - 06
Aug 25, 2023
Letter accompanying subsequently filed items
Aug 25, 2023
Reply to appeal
May 2, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 21, 2023
(Electronic) Receipt
Apr 21, 2023
Letter accompanying subsequently filed items
Apr 21, 2023
Statement of grounds of appeal
Feb 15, 2023
F3204 Communication of the file number to the parties
Feb 15, 2023
F3204 Communication of the file number to the parties
Feb 9, 2023
(Electronic) Receipt
Feb 9, 2023
Letter accompanying subsequently filed items
Feb 9, 2023
Notice of appeal
Dec 23, 2022
Advice of delivery
Dec 23, 2022
Advice of delivery
Dec 23, 2022
Annex to the communication - opposition
Dec 23, 2022
Decision of the Opposition Division and instruction
Dec 23, 2022
Decision rejecting the opposition
Dec 23, 2022
Decision rejecting the opposition
Dec 23, 2022
Grounds for the decision (Annex) - opposition
Dec 23, 2022
Means of redress
Dec 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 23, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 23, 2022
Provision of a copy of the minutes - opposition procedure
Dec 23, 2022
Provision of a copy of the minutes - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Transmittal of decision / summons - opposition
Dec 23, 2022
Transmittal of decision / summons - opposition
Jul 11, 2022
Information about the result of oral proceedings
May 18, 2022
Brief communication - Opposition proceedings
May 18, 2022
Brief communication - Opposition proceedings
May 11, 2022
(Electronic) Receipt
May 11, 2022
(Electronic) Receipt
May 11, 2022
Auxiliary request during Opposition procedure
May 11, 2022
Auxiliary request during Opposition procedure
May 11, 2022
Auxiliary request during Opposition procedure
May 11, 2022
Auxiliary request during Opposition procedure
May 11, 2022
Auxiliary request during Opposition procedure
May 11, 2022
Auxiliary request during Opposition procedure
May 11, 2022
Auxiliary request during Opposition procedure - 01
May 11, 2022
Auxiliary request during Opposition procedure - 02
May 11, 2022
Auxiliary request during Opposition procedure - 03
May 11, 2022
Auxiliary request during Opposition procedure - 04
May 11, 2022
Auxiliary request during Opposition procedure - 05
May 11, 2022
Auxiliary request during Opposition procedure - 06
May 11, 2022
Citation in opposition procedure - 015
May 11, 2022
Citation in opposition procedure - 016
May 11, 2022
Citation in opposition procedure - 017
May 11, 2022
Consolidated list of cited opposition documents
May 11, 2022
Letter accompanying subsequently filed items
May 11, 2022
Request for interpreters during oral proceedings
May 11, 2022
Written submission in preparation to/during oral proceedings
May 11, 2022
Written submission in preparation to/during oral proceedings
May 10, 2022
Brief communication - Opposition proceedings
May 5, 2022
Letter accompanying subsequently filed items
May 5, 2022
Request for interpreters during oral proceedings
May 4, 2022
Brief communication - Opposition proceedings
Apr 29, 2022
(Electronic) Receipt
Apr 29, 2022
Letter accompanying subsequently filed items
Apr 21, 2022
Notification concerning the date of oral proceedings
Apr 21, 2022
Notification concerning the date of oral proceedings
Dec 29, 2021
Advice of delivery
Dec 29, 2021
Advice of delivery
Dec 23, 2021
Advice of delivery
Dec 23, 2021
Advice of delivery
Dec 23, 2021
Annex to the communication - opposition
Dec 23, 2021
Information concerning oral proceedings
Dec 23, 2021
Summons to attend oral proceedings
Dec 23, 2021
Summons to attend oral proceedings
Dec 23, 2021
Transmittal of decision / summons - opposition
Dec 23, 2021
Transmittal of decision / summons - opposition
Apr 21, 2021
Brief communication - Opposition proceedings
Apr 16, 2021
(Electronic) Receipt
Apr 16, 2021
Letter accompanying subsequently filed items
Apr 16, 2021
Reply of the patent proprietor to the notice(s) of opposition
Mar 30, 2021
Brief communication - Opposition proceedings
Mar 29, 2021
Communication of amended entries
Feb 23, 2021
Request concerning representative opponent
Dec 10, 2020
Communication of a notice of opposition and request to file observations
Dec 10, 2020
Notice of further oppositions to opponent(s)
Nov 30, 2020
Communication of a notice of opposition - first information to patent proprietor
Nov 24, 2020
(Electronic) Receipt
Nov 24, 2020
Citation in opposition procedure - 001
Nov 24, 2020
Citation in opposition procedure - 002
Nov 24, 2020
Citation in opposition procedure - 003
Nov 24, 2020
Citation in opposition procedure - 004
Nov 24, 2020
Citation in opposition procedure - 004
Nov 24, 2020
Citation in opposition procedure - 005
Nov 24, 2020
Citation in opposition procedure - 005
Nov 24, 2020
Citation in opposition procedure - 006
Nov 24, 2020
Citation in opposition procedure - 007
Nov 24, 2020
Citation in opposition procedure - 008
Nov 24, 2020
Citation in opposition procedure - 009
Nov 24, 2020
Citation in opposition procedure - 009
Nov 24, 2020
Citation in opposition procedure - 010
Nov 24, 2020
Citation in opposition procedure - 011
Nov 24, 2020
Citation in opposition procedure - 012
Nov 24, 2020
Citation in opposition procedure - 013
Nov 24, 2020
Citation in opposition procedure - 014
Nov 24, 2020
International publication (Pamphlet)
Nov 24, 2020
Notice of opposition
Nov 24, 2020
Notice of opposition
Mar 9, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 30, 2020
Decision to grant a European patent
Jan 23, 2020
Change to the inventor details
Jan 17, 2020
(Electronic) Receipt
Jan 17, 2020
Filing of the translations of the claims
Jan 17, 2020
French translation of claims
Jan 17, 2020
German translation of the claims
Jan 17, 2020
Letter accompanying subsequently filed items
Oct 15, 2019
Bibliographic data of the European patent application
Oct 15, 2019
Communication about intention to grant a European patent
Oct 15, 2019
Intention to grant (signatures)
Oct 15, 2019
Text intended for grant (clean copy)
Oct 15, 2019
Text intended for grant (version for approval)
Sep 18, 2019
Examination started
May 15, 2019
Communication of the registration of a transfer or change of name and/or address
May 8, 2019
Submission concerning change of applicant's address
Mar 27, 2019
Notification on forthcoming publication of bibliographic data
Jan 29, 2019
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jan 25, 2019
Communication to designated inventor
Jan 25, 2019
Communication to designated inventor
Jan 9, 2019
Annexes to the international preliminary examination report
Jan 9, 2019
Copy of the international preliminary examination report
Dec 12, 2018
(Electronic) Receipt
Dec 12, 2018
Annex
Dec 12, 2018
Request for entry into the European phase
Nov 5, 2018
Information on entry into European phase
Oct 2, 2018
Annex to International preliminary examination report
Oct 2, 2018
International preliminary examination report
Oct 2, 2018
International preliminary examination report - free text sheet
Oct 2, 2018
International preliminary examination report - points I-VIII
Oct 2, 2018
Transmittal of International Preliminary Examination Report
Jul 2, 2018
PCT(IPEA): Amended sheet - claims
Jul 2, 2018
Reply to communication PCT/IPEA/408
May 16, 2018
Notification of election of EPO
May 14, 2018
Written opinion
May 14, 2018
Written opinion - free text sheet
May 14, 2018
Written opinion - points I-VIII
May 2, 2018
Amendments of documents (Article 19 PCT)
May 2, 2018
Annex
May 2, 2018
Statement under Art. 19 PCT
Apr 23, 2018
Notification of receipt of demand
Apr 18, 2018
(Electronic) Receipt
Apr 18, 2018
PCT demand form
Apr 18, 2018
Payment of fees and costs
Apr 18, 2018
Reply to International Search Opinion
Jan 9, 2018
Notification of the recording of a change
Jan 9, 2018
Notification of the recording of a change
Dec 28, 2017
Copy of the international search report
Dec 28, 2017
PCT(IB): Amended sheet (Article 19)
Dec 28, 2017
Published international application - A1
Mar 20, 2017
ISR: cited documents
Mar 17, 2017
Written opinion of the ISA, boxes No. I to VIII
Mar 17, 2017
Written opinion of the ISA, cover sheet
Mar 17, 2017
Written opinion of the ISA, supplemental box
Jul 19, 2016
Notification of receipt of Search copy
Jul 2, 2016
Abstract
Jul 2, 2016
Annex
Jul 2, 2016
Claims
Jul 2, 2016
Description
Jul 2, 2016
Drawings
Jul 2, 2016
Request form for international application (copy for ISA/EP)

EP3472513

SUMITOMO SHI FW ENERGIA

Application Number: EP16735668A
Filing Date: Jun 20, 2016
Status: Granted And Under Opposition; Jan 24, 2020
Publication Date: Feb 26, 2020
External Links: Slate, Register , Google Patents

IP Verse

A Bottom-Supported Boiler

Patent Summary

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Dossier Documents

EP3472513