Retaining Device For An Anemometer And Radial Fan

Patent No. EP3717783 (titled "Retaining Device For An Anemometer And Radial Fan") was filed by EBM Papst Mulfingen on Mar 6, 2019. The application was issued on Oct 27, 2021.

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	Jul 26, 2022	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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Jan 16, 2026
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 16, 2026
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 17, 2025
F3345 Forwarding of submissions to parties
Dec 12, 2025
(Electronic) Receipt
Dec 12, 2025
Letter accompanying subsequently filed items
Nov 19, 2025
F3345 Forwarding of submissions to parties
Nov 18, 2025
(Electronic) Receipt
Nov 18, 2025
(Electronic) Receipt
Nov 18, 2025
Amended claims with annotations
Nov 18, 2025
Amended claims with annotations
Nov 18, 2025
Amended claims with annotations
Nov 18, 2025
Amended claims with annotations
Nov 18, 2025
Amended claims with annotations
Nov 18, 2025
Auxiliary request during appeals procedure - 02
Nov 18, 2025
Auxiliary request during appeals procedure - 03
Nov 18, 2025
Auxiliary request during appeals procedure - 04
Nov 18, 2025
Auxiliary request during appeals procedure - 05
Nov 18, 2025
Auxiliary request during appeals procedure - 06
Nov 18, 2025
Letter accompanying subsequently filed items
Nov 18, 2025
Letter accompanying subsequently filed items
Nov 18, 2025
Letter relating to Appeal Procedure
Oct 21, 2025
F3011.2 Oral Proceedings: Summons VICO
Oct 21, 2025
F3011.2 Oral Proceedings: Summons VICO
Oct 21, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 21, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 16, 2025
F3010 Oral proceedings: order for summons
Sep 22, 2025
Composition of the board (T)
Sep 4, 2025
F3345 Forwarding of submissions to parties
Sep 1, 2025
(Electronic) Receipt
Sep 1, 2025
Letter accompanying subsequently filed items
Sep 1, 2025
Letter relating to Appeal Procedure
Jan 28, 2025
F3345 Forwarding of submissions to parties
Jan 23, 2025
(Electronic) Receipt
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Amended claims with annotations
Jan 23, 2025
Auxiliary request during appeals procedure - 01
Jan 23, 2025
Auxiliary request during appeals procedure - 01
Jan 23, 2025
Auxiliary request during appeals procedure - 02
Jan 23, 2025
Auxiliary request during appeals procedure - 02
Jan 23, 2025
Auxiliary request during appeals procedure - 03
Jan 23, 2025
Auxiliary request during appeals procedure - 03
Jan 23, 2025
Auxiliary request during appeals procedure - 04
Jan 23, 2025
Auxiliary request during appeals procedure - 04
Jan 23, 2025
Auxiliary request during appeals procedure - 05
Jan 23, 2025
Auxiliary request during appeals procedure - 05
Jan 23, 2025
Auxiliary request during appeals procedure - 06
Jan 23, 2025
Auxiliary request during appeals procedure - 06
Jan 23, 2025
Auxiliary request during appeals procedure - 07
Jan 23, 2025
Auxiliary request during appeals procedure - 08
Jan 23, 2025
Auxiliary request during appeals procedure - 09
Jan 23, 2025
Auxiliary request during appeals procedure - 10
Jan 23, 2025
Auxiliary request during appeals procedure - 11
Jan 23, 2025
Auxiliary request during appeals procedure - 12
Jan 23, 2025
Letter accompanying subsequently filed items
Jan 23, 2025
Reply to appeal
Sep 23, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 12, 2024
(Electronic) Receipt
Sep 12, 2024
Letter accompanying subsequently filed items
Sep 12, 2024
Statement of grounds of appeal
Jul 10, 2024
F3204 Communication of the file number to the parties
Jul 10, 2024
F3204 Communication of the file number to the parties
Jul 4, 2024
(Electronic) Receipt
Jul 4, 2024
Letter accompanying subsequently filed items
Jul 4, 2024
Notice of appeal
May 14, 2024
Annex to the communication - opposition
May 14, 2024
Brief communication - Opposition proceedings
May 14, 2024
Brief communication - Opposition proceedings
May 14, 2024
Druckexemplar in opposition procedure
May 14, 2024
Grounds for the decision (Annex) - opposition
May 14, 2024
Interlocutory decision in opposition proceedings
May 14, 2024
Interlocutory decision in opposition proceedings
May 14, 2024
Means of redress
May 14, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 14, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 14, 2024
Provision of a copy of the minutes - opposition procedure
May 14, 2024
Provision of a copy of the minutes - opposition procedure
May 10, 2024
Decision of the Opposition Division and instruction
Apr 9, 2024
Information about the result of oral proceedings
Mar 15, 2024
Brief communication - Opposition proceedings
Mar 14, 2024
Brief communication - Opposition proceedings
Mar 8, 2024
(Electronic) Receipt
Mar 8, 2024
Letter accompanying subsequently filed items
Mar 8, 2024
Written submission in preparation to/during oral proceedings
Mar 7, 2024
(Electronic) Receipt
Mar 7, 2024
Letter accompanying subsequently filed items
Feb 16, 2024
Brief communication - Opposition proceedings
Feb 8, 2024
(Electronic) Receipt
Feb 8, 2024
Auxiliary request during Opposition procedure
Feb 8, 2024
Auxiliary request during Opposition procedure
Feb 8, 2024
Auxiliary request during Opposition procedure
Feb 8, 2024
Auxiliary request during Opposition procedure
Feb 8, 2024
Auxiliary request during Opposition procedure
Feb 8, 2024
Auxiliary request during Opposition procedure
Feb 8, 2024
Auxiliary request during Opposition procedure - 01
Feb 8, 2024
Auxiliary request during Opposition procedure - 02
Feb 8, 2024
Auxiliary request during Opposition procedure - 03
Feb 8, 2024
Auxiliary request during Opposition procedure - 04
Feb 8, 2024
Auxiliary request during Opposition procedure - 05
Feb 8, 2024
Auxiliary request during Opposition procedure - 06
Feb 8, 2024
Letter accompanying subsequently filed items
Feb 8, 2024
Written submission in preparation to/during oral proceedings
Dec 11, 2023
(Electronic) Receipt
Dec 11, 2023
Letter accompanying subsequently filed items
Oct 2, 2023
Advice of delivery
Sep 29, 2023
Advice of delivery
Sep 29, 2023
Annex to the communication - opposition
Sep 29, 2023
Information concerning oral proceedings
Sep 29, 2023
Scanned annex to a communication - opposition procedure
Sep 29, 2023
Summons to attend oral proceedings
Sep 29, 2023
Summons to attend oral proceedings
Sep 29, 2023
Transmittal of decision / summons - opposition
Sep 29, 2023
Transmittal of decision / summons - opposition
Jun 27, 2023
Brief communication - Opposition proceedings
Jun 20, 2023
(Electronic) Receipt
Jun 20, 2023
Any annexes (other than citation) to an opposition letter
Jun 20, 2023
Any annexes (other than citation) to an opposition letter
Jun 20, 2023
Letter accompanying subsequently filed items
Jun 20, 2023
Letter regarding the opposition procedure (no time limit)
May 4, 2023
Brief communication - Opposition proceedings
Apr 21, 2023
(Electronic) Receipt
Apr 21, 2023
Letter accompanying subsequently filed items
Apr 21, 2023
Reply from the opponent to submission of proprietor
Dec 19, 2022
Brief communication - Opposition proceedings
Dec 9, 2022
(Electronic) Receipt
Dec 9, 2022
Letter accompanying subsequently filed items
Dec 9, 2022
Reply of the patent proprietor to the notice(s) of opposition
Aug 10, 2022
Communication of a notice of opposition and request to file observations
Aug 10, 2022
Notice of further oppositions to opponent(s)
Aug 2, 2022
Communication of a notice of opposition - first information to patent proprietor
Jul 26, 2022
(Electronic) Receipt
Jul 26, 2022
Any annexes (other than citation) to an opposition letter
Jul 26, 2022
Citation in opposition procedure - 001
Jul 26, 2022
Citation in opposition procedure - 002
Jul 26, 2022
Citation in opposition procedure - 003
Jul 26, 2022
Citation in opposition procedure - 004
Jul 26, 2022
Citation in opposition procedure - 005
Jul 26, 2022
Citation in opposition procedure - 006
Jul 26, 2022
Citation in opposition procedure - 007
Jul 26, 2022
Citation in opposition procedure - 008
Jul 26, 2022
Citation in opposition procedure - 009
Jul 26, 2022
Citation in opposition procedure - 010
Jul 26, 2022
Citation in opposition procedure - 011
Jul 26, 2022
Consolidated list of cited opposition documents
Jul 26, 2022
Notice of opposition
Jul 26, 2022
Notice of opposition
Nov 9, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 30, 2021
Decision to grant a European patent
Sep 15, 2021
English translation of the claims
Sep 15, 2021
Filing of the translations of the claims
Sep 15, 2021
French translation of claims
Sep 15, 2021
Letter concerning fees and payments
Aug 3, 2021
Bibliographic data of the European patent application
Aug 3, 2021
Communication about intention to grant a European patent
Aug 3, 2021
Intention to grant (signatures)
Aug 3, 2021
Text intended for grant (clean copy)
Aug 3, 2021
Text intended for grant (version for approval)
Jul 8, 2021
Examination started
Nov 16, 2020
Copy of the international preliminary report on patentability
Sep 25, 2020
Priority search results
Sep 25, 2020
Reply to invitation to file a copy of priority search results
Sep 14, 2020
Invitation to file a copy of search results(priority)
Sep 9, 2020
Notification on forthcoming publication of bibliographic data
Jul 15, 2020
Communication to designated inventor
Jul 15, 2020
Communication to designated inventor
Jul 15, 2020
Communication to designated inventor
Jul 15, 2020
Communication to designated inventor
Jul 15, 2020
Confirmation of effective date of early entry
Jul 1, 2020
(Electronic) Receipt
Jul 1, 2020
Amended claims filed after receipt of (European) search report
Jul 1, 2020
Amended claims with annotations
Jul 1, 2020
Request for entry into the European phase
Nov 26, 2019
Priority document (electronically transmitted)
Nov 7, 2019
Copy of the international search report
Nov 7, 2019
Copy of the international search report
Nov 7, 2019
Published international application - A1
Jun 12, 2019
ISR: cited documents
Jun 12, 2019
International Search Report - copy in English for the IB
Jun 12, 2019
Written opinion of the ISA, boxes No. I to VIII
Jun 12, 2019
Written opinion of the ISA, cover sheet
Jun 12, 2019
Written opinion of the ISA, supplemental box
Mar 25, 2019
Notification of receipt of Search copy
Mar 22, 2019
Notification of the international application number and of the international filing date
Mar 21, 2019
Incoming letter related to PCT RO
Mar 19, 2019
Request form for international application (copy for ISA/EP)
Mar 6, 2019
(Electronic) Receipt
Mar 6, 2019
Abstract
Mar 6, 2019
Claims
Mar 6, 2019
Description
Mar 6, 2019
Document concerning fees and payments
Mar 6, 2019
Drawings
Mar 6, 2019
Electronic request for grant of an International application

EP3717783

EBM PAPST MULFINGEN

Application Number: EP19709702A
Filing Date: Mar 6, 2019
Status: Granted And Under Opposition; Sep 24, 2021
Publication Date: Oct 27, 2021
External Links: Slate, Register , Google Patents

IP Verse

Retaining Device For An Anemometer And Radial Fan

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Dossier Documents

EP3717783