Variable Installation In A Gas Flow Channel

Patent No. EP4103301 (titled "Variable Installation In A Gas Flow Channel") was filed by Munters Euroform on Feb 9, 2021. The application was issued on Mar 6, 2024.

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
DOOSAN LENTJES	Dec 2, 2024	FEUCKER

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 30, 2026
Communication of amended entries
Jan 28, 2026
Brief communication - Opposition proceedings
Jan 27, 2026
(Electronic) Receipt
Jan 27, 2026
Letter accompanying subsequently filed items
Jan 27, 2026
Request for change of opponent's representative
Jan 27, 2026
Request for interpreters during oral proceedings
Dec 4, 2025
Brief communication - Opposition proceedings
Dec 4, 2025
Brief communication - Opposition proceedings
Dec 3, 2025
Brief communication - Opposition proceedings
Dec 1, 2025
(Electronic) Receipt
Dec 1, 2025
(Electronic) Receipt
Dec 1, 2025
Auxiliary request during Opposition procedure
Dec 1, 2025
Auxiliary request during Opposition procedure
Dec 1, 2025
Auxiliary request during Opposition procedure - 02
Dec 1, 2025
Auxiliary request during Opposition procedure - 02
Dec 1, 2025
Letter accompanying subsequently filed items
Dec 1, 2025
Letter accompanying subsequently filed items
Dec 1, 2025
Written submission in preparation to/during oral proceedings
Dec 1, 2025
Written submission in preparation to/during oral proceedings
Nov 28, 2025
(Electronic) Receipt
Nov 28, 2025
Letter accompanying subsequently filed items
Nov 28, 2025
Request for interpreters during oral proceedings
Jul 25, 2025
Brief communication - Opposition proceedings
Jul 25, 2025
Communication of amended entries concerning the representative
Jul 23, 2025
Communication concerning the filing of a power of attorney
Jul 21, 2025
(Electronic) Receipt
Jul 21, 2025
Authorisation
Jul 21, 2025
Letter accompanying subsequently filed items
Jul 21, 2025
Miscellaneous requests concerning client data
Jul 18, 2025
Invitation to file an authorisation
Jul 14, 2025
(Electronic) Receipt
Jul 14, 2025
Authorisation
Jul 14, 2025
Communication of amended entries concerning the representative
Jul 14, 2025
Letter accompanying subsequently filed items
Jul 14, 2025
Submission concerning change of proprietor's representative
Jul 10, 2025
Annex to the communication - opposition
Jul 10, 2025
Communication concerning the filing of a power of attorney
Jul 10, 2025
Information concerning oral proceedings
Jul 10, 2025
Scanned annex to a communication - opposition procedure
Jul 10, 2025
Summons to attend oral proceedings
Jul 10, 2025
Summons to attend oral proceedings
Jul 4, 2025
Annexes in respect of a client data request
Jul 4, 2025
General authorisation
Jul 4, 2025
Letter accompanying subsequently filed items
Jul 4, 2025
Submission concerning change of applicant's representative
Apr 25, 2025
Brief communication - Opposition proceedings
Apr 22, 2025
(Electronic) Receipt
Apr 22, 2025
Any annexes (other than citation) to an opposition letter
Apr 22, 2025
Auxiliary request during Opposition procedure
Apr 22, 2025
Auxiliary request during Opposition procedure
Apr 22, 2025
Auxiliary request during Opposition procedure
Apr 22, 2025
Auxiliary request during Opposition procedure
Apr 22, 2025
Auxiliary request during Opposition procedure - 01
Apr 22, 2025
Auxiliary request during Opposition procedure - 02
Apr 22, 2025
Auxiliary request during Opposition procedure - 03
Apr 22, 2025
Auxiliary request during Opposition procedure - 04
Apr 22, 2025
Letter accompanying subsequently filed items
Apr 22, 2025
Reply of the patent proprietor to the notice(s) of opposition
Dec 20, 2024
Communication of a notice of opposition and request to file observations
Dec 20, 2024
Notice of further oppositions to opponent(s)
Dec 9, 2024
Communication of a notice of opposition - first information to patent proprietor
Dec 2, 2024
(Electronic) Receipt
Dec 2, 2024
Any annexes (other than citation) to an opposition letter
Dec 2, 2024
Citation in opposition procedure - 001
Dec 2, 2024
Citation in opposition procedure - 002
Dec 2, 2024
Citation in opposition procedure - 003
Dec 2, 2024
Citation in opposition procedure - 004
Dec 2, 2024
Citation in opposition procedure - 005
Dec 2, 2024
Citation in opposition procedure - 006
Dec 2, 2024
Consolidated list of cited opposition documents
Dec 2, 2024
Notice of opposition
Dec 2, 2024
Notice of opposition
Mar 19, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 8, 2024
Decision to grant a European patent
Jan 17, 2024
(Electronic) Receipt
Jan 17, 2024
English translation of the claims
Jan 17, 2024
Filing of the translations of the claims
Jan 17, 2024
French translation of claims
Nov 9, 2023
Annex to the communication about intention to grant a European patent
Nov 9, 2023
Bibliographic data of the European patent application
Nov 9, 2023
Communication about intention to grant a European patent
Nov 9, 2023
Intention to grant (signatures)
Nov 9, 2023
Text intended for grant (clean copy)
Nov 9, 2023
Text intended for grant (version for approval)
Sep 11, 2023
(Electronic) Receipt
Sep 11, 2023
Amended description with annotations
Sep 11, 2023
Description
Sep 11, 2023
Letter accompanying subsequently filed items
Sep 11, 2023
Reply to communication from the Examining Division
Jul 11, 2023
Annex to the communication
Jul 11, 2023
Communication from the Examining Division
Jul 6, 2023
Examination started
Nov 23, 2022
Notification on forthcoming publication of bibliographic data
Sep 20, 2022
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Aug 22, 2022
Annexes to the international preliminary examination report
Aug 22, 2022
Copy of the international preliminary examination report
Aug 19, 2022
(Electronic) Receipt
Aug 19, 2022
Request for entry into the European phase
Jun 24, 2022
Information on entry into European phase
Jun 1, 2022
Annex to International preliminary examination report
Jun 1, 2022
International preliminary examination report
Jun 1, 2022
International preliminary examination report - free text sheet
Jun 1, 2022
International preliminary examination report - points I-VIII
Jun 1, 2022
Transmittal of International Preliminary Examination Report
May 20, 2022
(Electronic) Receipt
May 20, 2022
Letter regarding PCTII procedure
May 20, 2022
PCT(IPEA): Amended sheet - claims
May 20, 2022
PCT(IPEA): Amended sheet - description
May 20, 2022
Reply to communication PCT/IPEA/408
Apr 26, 2022
Grant of extension of time limit
Apr 21, 2022
(Electronic) Receipt
Apr 21, 2022
Letter regarding PCTII procedure
Apr 21, 2022
Request for extension of time limit
Mar 21, 2022
Written opinion
Mar 21, 2022
Written opinion - free text sheet
Mar 21, 2022
Written opinion - points I-VIII
Feb 28, 2022
(Electronic) Receipt
Feb 28, 2022
Letter regarding PCTII procedure
Feb 28, 2022
PCT(IPEA): Amended sheet - claims
Feb 28, 2022
PCT(IPEA): Amended sheet - claims
Feb 28, 2022
Reply to communication PCT/IPEA/408
Jan 3, 2022
Written opinion
Jan 3, 2022
Written opinion - free text sheet
Jan 3, 2022
Written opinion - points I-VIII
Dec 30, 2021
Notification of election of EPO
Dec 22, 2021
Notification of receipt of demand
Dec 10, 2021
(Electronic) Receipt
Dec 10, 2021
PCT demand form
Dec 10, 2021
PCT(IPEA): Amended sheet - claims
Dec 10, 2021
PCT(IPEA): Amended sheet - claims
Dec 10, 2021
Payment of fees and costs
Dec 10, 2021
Reply to International Search Opinion
Sep 6, 2021
Priority document (electronically transmitted)
Aug 19, 2021
Copy of the international search report
Aug 19, 2021
Copy of the international search report
Aug 19, 2021
Published international application - A1
May 6, 2021
Notification of the recording of a change
Apr 15, 2021
ISR: cited documents
Apr 15, 2021
International Search Report - copy in English for the IB
Apr 15, 2021
Written opinion of the ISA, boxes No. I to VIII
Apr 15, 2021
Written opinion of the ISA, cover sheet
Apr 15, 2021
Written opinion of the ISA, supplemental box
Apr 1, 2021
Notification of receipt of Search copy
Mar 18, 2021
Abstract
Mar 18, 2021
Claims
Mar 18, 2021
Description
Mar 18, 2021
Drawings
Mar 18, 2021
Invitation to Correct Defects in the International Application (copy for ISA/EP)
Mar 18, 2021
Request form for international application (copy for ISA/EP)

EP4103301

MUNTERS EUROFORM

Application Number: EP21712946A
Filing Date: Feb 9, 2021
Status: Granted And Under Opposition; Feb 2, 2024
Publication Date: Mar 6, 2024
External Links: Slate, Register , Google Patents

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Variable Installation In A Gas Flow Channel

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Dossier Documents

EP4103301