Axial Fan

Patent No. EP3183459 (titled "Axial Fan") was filed by EBM Papst Mulfingen on Aug 13, 2015. The application was issued on Aug 2, 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
ZIEHL ABEGG	Apr 30, 2024	ULLRICH & NAUMANN PARTG MBB

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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Aug 4, 2025
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Aug 4, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Apr 30, 2025
Annex to the communication - opposition
Apr 30, 2025
Brief communication - Opposition proceedings
Apr 30, 2025
Brief communication - Opposition proceedings
Apr 30, 2025
Decision of the Opposition Division and instruction
Apr 30, 2025
Decision rejecting the opposition
Apr 30, 2025
Decision rejecting the opposition
Apr 30, 2025
Grounds for the decision (Annex) - opposition
Apr 30, 2025
Means of redress
Apr 30, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 30, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 30, 2025
Provision of a copy of the minutes - opposition procedure
Apr 30, 2025
Provision of a copy of the minutes - opposition procedure
Apr 30, 2025
Scanned annex to a communication - opposition procedure
Apr 8, 2025
Information about the result of oral proceedings
Apr 3, 2025
Brief communication - Opposition proceedings
Apr 1, 2025
(Electronic) Receipt
Apr 1, 2025
Letter accompanying subsequently filed items
Apr 1, 2025
Written submission in preparation to/during oral proceedings
Feb 17, 2025
Brief communication - Opposition proceedings
Feb 17, 2025
Brief communication - Opposition proceedings
Feb 17, 2025
Brief communication - Opposition proceedings
Feb 7, 2025
(Electronic) Receipt
Feb 7, 2025
(Electronic) Receipt
Feb 7, 2025
(Electronic) Receipt
Feb 7, 2025
Auxiliary request during Opposition procedure
Feb 7, 2025
Auxiliary request during Opposition procedure
Feb 7, 2025
Auxiliary request during Opposition procedure - 01
Feb 7, 2025
Auxiliary request during Opposition procedure - 02
Feb 7, 2025
Letter accompanying subsequently filed items
Feb 7, 2025
Letter accompanying subsequently filed items
Feb 7, 2025
Letter accompanying subsequently filed items
Feb 7, 2025
Written submission in preparation to/during oral proceedings
Feb 7, 2025
Written submission in preparation to/during oral proceedings
Feb 7, 2025
Written submission in preparation to/during oral proceedings
Feb 6, 2025
(Electronic) Receipt
Feb 6, 2025
Citation in opposition procedure - 013
Feb 6, 2025
Citation in opposition procedure - 014
Feb 6, 2025
Citation in opposition procedure - 015
Feb 6, 2025
Citation in opposition procedure - 016
Feb 6, 2025
Citation in opposition procedure - 017
Feb 6, 2025
Citation in opposition procedure - 018
Feb 6, 2025
Citation in opposition procedure - 019
Feb 6, 2025
Citation in opposition procedure - 020
Feb 6, 2025
Citation in opposition procedure - 021
Feb 6, 2025
Citation in opposition procedure - 022
Feb 6, 2025
Citation in opposition procedure - 023
Feb 6, 2025
Consolidated list of cited opposition documents
Feb 6, 2025
Letter accompanying subsequently filed items
Feb 6, 2025
Written submission in preparation to/during oral proceedings
Sep 12, 2024
Annex to the communication - opposition
Sep 12, 2024
Brief communication - Opposition proceedings
Sep 12, 2024
Brief communication - Opposition proceedings
Sep 12, 2024
Scanned annex to a communication - opposition procedure
Sep 12, 2024
Summons to attend oral proceedings
Sep 12, 2024
Summons to attend oral proceedings
Jun 4, 2024
Brief communication - Opposition proceedings
May 27, 2024
(Electronic) Receipt
May 27, 2024
Letter accompanying subsequently filed items
May 27, 2024
Reply of the patent proprietor to the notice(s) of opposition
May 21, 2024
Communication of a notice of opposition and request to file observations
May 21, 2024
Notice of further oppositions to opponent(s)
May 6, 2024
Communication of a notice of opposition - first information to patent proprietor
Apr 30, 2024
(Electronic) Receipt
Apr 30, 2024
Citation in opposition procedure
Apr 30, 2024
Citation in opposition procedure - 001
Apr 30, 2024
Citation in opposition procedure - 002
Apr 30, 2024
Citation in opposition procedure - 003
Apr 30, 2024
Citation in opposition procedure - 004
Apr 30, 2024
Citation in opposition procedure - 005
Apr 30, 2024
Citation in opposition procedure - 006
Apr 30, 2024
Citation in opposition procedure - 007
Apr 30, 2024
Citation in opposition procedure - 008
Apr 30, 2024
Citation in opposition procedure - 009
Apr 30, 2024
Citation in opposition procedure - 010
Apr 30, 2024
Citation in opposition procedure - 011
Apr 30, 2024
Citation in opposition procedure - 012
Apr 30, 2024
Notice of opposition
Apr 30, 2024
Notice of opposition
Aug 16, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 6, 2023
Decision to grant a European patent
Jun 27, 2023
(Electronic) Receipt
Jun 27, 2023
English translation of the claims
Jun 27, 2023
Filing of the translations of the claims
Jun 27, 2023
French translation of claims
Jun 27, 2023
Letter accompanying subsequently filed items
Jun 27, 2023
Letter concerning fees and payments
Feb 28, 2023
Annex to the communication about intention to grant a European patent
Feb 28, 2023
Bibliographic data of the European patent application
Feb 28, 2023
Communication about intention to grant a European patent
Feb 28, 2023
Intention to grant (signatures)
Feb 28, 2023
Text intended for grant (clean copy)
Feb 28, 2023
Text intended for grant (version for approval)
Mar 1, 2022
(Electronic) Receipt
Mar 1, 2022
Letter accompanying subsequently filed items
Mar 1, 2022
Reply to communication from the Examining Division
Feb 2, 2022
Annex to the communication
Feb 2, 2022
Communication from the Examining Division
Jul 7, 2021
Amended claims with annotations
Jul 7, 2021
Amended claims with annotations
Jul 7, 2021
Amended description with annotations
Jul 7, 2021
Claims
Jul 7, 2021
Claims
Jul 7, 2021
Description
Jul 7, 2021
Reply to communication from the Examining Division
Apr 1, 2021
Annex to the communication
Apr 1, 2021
Communication from the Examining Division
Mar 26, 2021
Examination started
Jul 10, 2018
Communication of amended entries concerning the representative
Jun 13, 2018
Submission concerning change of applicant's representative
Nov 21, 2017
Priority search results
Nov 21, 2017
Reply to invitation to file a copy of priority search results
Nov 9, 2017
Invitation to file a copy of search results(priority)
May 31, 2017
Notification on forthcoming publication of bibliographic data
May 23, 2017
Invitation to indicate correct address of inventor
Apr 26, 2017
Letter which had not been notified
Mar 24, 2017
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Mar 22, 2017
Communication to designated inventor
Mar 22, 2017
Communication to designated inventor
Mar 22, 2017
Communication to designated inventor
Mar 22, 2017
Communication to designated inventor
Mar 22, 2017
Communication to designated inventor
Mar 22, 2017
Communication to designated inventor
Mar 22, 2017
Communication to designated inventor
Mar 7, 2017
Copy of the international preliminary report on patentability
Dec 7, 2016
Information regarding early processing
Oct 28, 2016
(Electronic) Receipt
Oct 28, 2016
Amended claims filed after receipt of (European) search report
Oct 28, 2016
Amended claims with annotations
Oct 28, 2016
Request for entry into the European phase
Mar 15, 2016
Priority document (electronically transmitted)
Feb 25, 2016
Copy of the international search report
Feb 25, 2016
Copy of the international search report
Feb 25, 2016
Published international application - A1
Nov 13, 2015
ISR: cited documents
Nov 13, 2015
International Search Report - copy in English for the IB
Nov 12, 2015
Written opinion of the ISA, boxes No. I to VIII
Nov 12, 2015
Written opinion of the ISA, cover sheet
Nov 12, 2015
Written opinion of the ISA, supplemental box
Oct 2, 2015
Incoming letter related to PCT RO
Sep 15, 2015
Notification of receipt of Search copy
Sep 14, 2015
Notification of the international application number and of the international filing date
Sep 9, 2015
Request form for international application (copy for ISA/EP)
Aug 13, 2015
(Electronic) Receipt
Aug 13, 2015
Abstract
Aug 13, 2015
Claims
Aug 13, 2015
Description
Aug 13, 2015
Document concerning fees and payments
Aug 13, 2015
Drawings
Aug 13, 2015
Electronic request for grant of an International application

EP3183459

EBM PAPST MULFINGEN

Application Number: EP15757450A
Filing Date: Aug 13, 2015
Status: Opposition Rejected; Aug 1, 2025
Publication Date: Aug 2, 2023
External Links: Slate, Register , Google Patents

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Dossier Documents

EP3183459