Gas Injection Device

Patent No. EP4150279 (titled "Gas Injection Device") was filed by SMS Group on Mar 26, 2021. The application was issued on Sep 20, 2023.

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
REFRACTORY	Jun 19, 2024	EIBEL
REFRACTORY	Jun 19, 2024	PACHER

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 18, 2025
Annex to the communication - opposition
Dec 18, 2025
Brief communication - Opposition proceedings
Dec 18, 2025
Brief communication - Opposition proceedings
Dec 18, 2025
Decision of the Opposition Division and instruction
Dec 18, 2025
Druckexemplar in opposition procedure
Dec 18, 2025
Grounds for the decision (Annex) - opposition
Dec 18, 2025
Interlocutory decision in opposition proceedings
Dec 18, 2025
Interlocutory decision in opposition proceedings
Dec 18, 2025
Means of redress
Dec 18, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 18, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 18, 2025
Provision of a copy of the minutes - opposition procedure
Dec 18, 2025
Provision of a copy of the minutes - opposition procedure
Dec 18, 2025
Scanned annex to a communication - opposition procedure
Dec 18, 2025
Scanned annex to a communication - opposition procedure
Dec 18, 2025
Scanned annex to a communication - opposition procedure
Dec 18, 2025
Scanned annex to a communication - opposition procedure
Dec 18, 2025
Scanned annex to a communication - opposition procedure
Dec 18, 2025
Scanned annex to a communication - opposition procedure
Dec 18, 2025
Scanned annex to a communication - opposition procedure
Nov 27, 2025
Information about the result of oral proceedings
Nov 17, 2025
Brief communication - Opposition proceedings
Nov 14, 2025
Brief communication - Opposition proceedings
Nov 13, 2025
Brief communication - Opposition proceedings
Nov 12, 2025
(Electronic) Receipt
Nov 12, 2025
Brief communication - Opposition proceedings
Nov 12, 2025
Letter accompanying subsequently filed items
Nov 12, 2025
Written submission in preparation to/during oral proceedings
Nov 11, 2025
(Electronic) Receipt
Nov 11, 2025
Letter accompanying subsequently filed items
Nov 11, 2025
Written submission in preparation to/during oral proceedings
Oct 16, 2025
Brief communication - Opposition proceedings
Oct 10, 2025
(Electronic) Receipt
Oct 10, 2025
General authorisation
Oct 10, 2025
Letter accompanying subsequently filed items
Oct 10, 2025
Written submission in preparation to/during oral proceedings
Sep 29, 2025
Written submission in preparation to/during oral proceedings
Aug 28, 2025
Brief communication - Opposition proceedings
Aug 25, 2025
(Electronic) Receipt
Aug 25, 2025
Letter accompanying subsequently filed items
Aug 25, 2025
Written submission in preparation to/during oral proceedings
Jun 18, 2025
Brief communication - Opposition proceedings
Jun 18, 2025
Communication concerning the filing of a power of attorney
Jun 18, 2025
Communication of amended entries
Jun 17, 2025
Brief communication - Opposition proceedings
Jun 12, 2025
(Electronic) Receipt
Jun 12, 2025
Letter accompanying subsequently filed items
Jun 12, 2025
Request for change of opponent's representative
Apr 7, 2025
Request for interpreters during oral proceedings
Feb 6, 2025
Annex to the communication - opposition
Feb 6, 2025
Information concerning oral proceedings
Feb 6, 2025
Scanned annex to a communication - opposition procedure
Feb 6, 2025
Summons to attend oral proceedings
Feb 6, 2025
Summons to attend oral proceedings
Nov 22, 2024
Brief communication - Opposition proceedings
Nov 18, 2024
(Electronic) Receipt
Nov 18, 2024
Letter accompanying subsequently filed items
Nov 18, 2024
Letter regarding the opposition procedure (no time limit)
Nov 7, 2024
Brief communication - Opposition proceedings
Nov 4, 2024
(Electronic) Receipt
Nov 4, 2024
Auxiliary request during Opposition procedure
Nov 4, 2024
Auxiliary request during Opposition procedure
Nov 4, 2024
Auxiliary request during Opposition procedure
Nov 4, 2024
Auxiliary request during Opposition procedure - 01
Nov 4, 2024
Auxiliary request during Opposition procedure - 02
Nov 4, 2024
Auxiliary request during Opposition procedure - 03
Nov 4, 2024
Letter accompanying subsequently filed items
Nov 4, 2024
Reply of the patent proprietor to the notice(s) of opposition
Aug 5, 2024
Communication of the registration of a transfer or change of name and/or address
Jul 4, 2024
Communication of a notice of opposition and request to file observations
Jul 4, 2024
Notice of further oppositions to opponent(s)
Jul 1, 2024
Annexes in respect of a client data request
Jul 1, 2024
Submission concerning change of applicant's address
Jun 24, 2024
Communication of a notice of opposition - first information to patent proprietor
Jun 19, 2024
(Electronic) Receipt
Jun 19, 2024
Citation in opposition procedure - 001
Jun 19, 2024
Citation in opposition procedure - 002
Jun 19, 2024
Citation in opposition procedure - 003
Jun 19, 2024
Citation in opposition procedure - 004
Jun 19, 2024
Citation in opposition procedure - 005
Jun 19, 2024
Citation in opposition procedure - 006
Jun 19, 2024
Citation in opposition procedure - 007
Jun 19, 2024
Citation in opposition procedure - 007
Jun 19, 2024
Citation in opposition procedure - 008
Jun 19, 2024
Citation in opposition procedure - 009
Jun 19, 2024
Consolidated list of cited opposition documents
Jun 19, 2024
Notice of opposition
Jun 19, 2024
Notice of opposition
Oct 4, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 24, 2023
Decision to grant a European patent
Aug 9, 2023
(Electronic) Receipt
Aug 9, 2023
English translation of the claims
Aug 9, 2023
Filing of the translations of the claims
Aug 9, 2023
French translation of claims
Aug 9, 2023
Letter accompanying subsequently filed items
Apr 14, 2023
Annex to the communication about intention to grant a European patent
Apr 14, 2023
Bibliographic data of the European patent application
Apr 14, 2023
Communication about intention to grant a European patent
Apr 14, 2023
Intention to grant (signatures)
Apr 14, 2023
Text intended for grant (clean copy)
Apr 14, 2023
Text intended for grant (version for approval)
Mar 28, 2023
Examination started
Mar 8, 2023
(Electronic) Receipt
Mar 8, 2023
Letter accompanying subsequently filed items
Mar 8, 2023
Statement of non-availability of priority search results
Feb 24, 2023
Invitation to file a copy of search results(priority)
Feb 22, 2023
Notification on forthcoming publication of bibliographic data
Jan 5, 2023
(Electronic) Receipt
Jan 5, 2023
Letter accompanying subsequently filed items
Jan 5, 2023
Matter concerning the application
Dec 23, 2022
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Nov 21, 2022
Annexes to the international preliminary examination report
Nov 21, 2022
Annexes to the international preliminary examination report
Nov 21, 2022
Annexes to the international preliminary examination report
Nov 21, 2022
Annexes to the international preliminary examination report
Nov 21, 2022
Copy of the international preliminary examination report
Nov 10, 2022
(Electronic) Receipt
Nov 10, 2022
Request for entry into the European phase
Oct 20, 2022
Annex to International preliminary examination report
Oct 20, 2022
International preliminary examination report
Oct 20, 2022
International preliminary examination report - free text sheet
Oct 20, 2022
International preliminary examination report - points I-VIII
Oct 20, 2022
Transmittal of International Preliminary Examination Report
Sep 23, 2022
Information on entry into European phase
Apr 20, 2022
Annex to International preliminary examination report
Apr 20, 2022
International preliminary examination report
Apr 20, 2022
International preliminary examination report - free text sheet
Apr 20, 2022
International preliminary examination report - points I-VIII
Apr 20, 2022
Transmittal of International Preliminary Examination Report
Dec 6, 2021
Priority document (electronically transmitted)
Dec 6, 2021
Priority document (electronically transmitted)
Nov 18, 2021
Copy of the international search report
Nov 18, 2021
Copy of the international search report
Nov 18, 2021
Notification of election of EPO
Nov 18, 2021
Published international application - A1
Nov 10, 2021
Notification of receipt of demand
Nov 2, 2021
(Electronic) Receipt
Nov 2, 2021
PCT demand form
Nov 2, 2021
PCT(IPEA): Amended sheet - claims
Nov 2, 2021
PCT(IPEA): Amended sheet - claims
Nov 2, 2021
Payment of fees and costs
Nov 2, 2021
Reply to International Search Opinion
Jun 28, 2021
ISR: cited documents
Jun 28, 2021
International Search Report - copy in English for the IB
Jun 28, 2021
Written opinion of the ISA, boxes No. I to VIII
Jun 28, 2021
Written opinion of the ISA, cover sheet
Jun 28, 2021
Written opinion of the ISA, supplemental box
Apr 13, 2021
Notification of receipt of Search copy
Apr 13, 2021
Notification of the international application number and of the international filing date
Apr 9, 2021
Request form for international application (copy for ISA/EP)
Apr 1, 2021
Incoming letter related to PCT RO
Mar 26, 2021
(Electronic) Receipt
Mar 26, 2021
Abstract
Mar 26, 2021
Claims
Mar 26, 2021
Description
Mar 26, 2021
Document concerning fees and payments
Mar 26, 2021
Drawings
Mar 26, 2021
Electronic request for grant of an International application

EP4150279

SMS GROUP

Application Number: EP21715569A
Filing Date: Mar 26, 2021
Status: Granted And Under Opposition; Aug 18, 2023
Publication Date: Sep 20, 2023
External Links: Slate, Register , Google Patents

IP Verse

Gas Injection Device

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP4150279