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Testing Device For Gear Mechanisms, Testing Method, Control Unit And Computer Program Product

Patent No. EP4097441 (titled "Testing Device For Gear Mechanisms, Testing Method, Control Unit And Computer Program Product") was filed by Flender on Jan 11, 2021. The application was issued on Jan 10, 2024.

Patent Summary

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Patent Oppositions

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
SEW EURODRIVE	Sep 20, 2024	WEBER

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 26, 2026
Brief communication - Opposition proceedings
Jan 16, 2026
(Electronic) Receipt
Jan 16, 2026
Letter accompanying subsequently filed items
Jan 16, 2026
Written submission in preparation to/during oral proceedings
Sep 5, 2025
Annex to the communication - opposition
Sep 5, 2025
Information concerning oral proceedings
Sep 5, 2025
Scanned annex to a communication - opposition procedure
Sep 5, 2025
Summons to attend oral proceedings
Sep 5, 2025
Summons to attend oral proceedings
Aug 29, 2025
Brief communication - Opposition proceedings
Aug 27, 2025
Brief communication - Opposition proceedings
Aug 26, 2025
(Electronic) Receipt
Aug 26, 2025
Letter accompanying subsequently filed items
Aug 26, 2025
Letter regarding the opposition procedure (no time limit)
Apr 17, 2025
Brief communication - Opposition proceedings
Apr 14, 2025
(Electronic) Receipt
Apr 14, 2025
Auxiliary request during Opposition procedure
Apr 14, 2025
Auxiliary request during Opposition procedure
Apr 14, 2025
Auxiliary request during Opposition procedure
Apr 14, 2025
Auxiliary request during Opposition procedure
Apr 14, 2025
Auxiliary request during Opposition procedure
Apr 14, 2025
Auxiliary request during Opposition procedure - 01
Apr 14, 2025
Auxiliary request during Opposition procedure - 02
Apr 14, 2025
Auxiliary request during Opposition procedure - 03
Apr 14, 2025
Auxiliary request during Opposition procedure - 04
Apr 14, 2025
Auxiliary request during Opposition procedure - 05
Apr 14, 2025
Letter accompanying subsequently filed items
Apr 14, 2025
Reply of the patent proprietor to the notice(s) of opposition
Dec 23, 2024
Communication of a notice of opposition and request to file observations
Dec 23, 2024
Notice of further oppositions to opponent(s)
Dec 16, 2024
(Electronic) Receipt
Dec 16, 2024
Citation in opposition procedure - 001
Dec 16, 2024
Consolidated list of cited opposition documents
Dec 16, 2024
Letter accompanying subsequently filed items
Sep 27, 2024
Brief communication - Opposition proceedings
Sep 27, 2024
Request for documents
Sep 25, 2024
Communication of a notice of opposition - first information to patent proprietor
Sep 20, 2024
(Electronic) Receipt
Sep 20, 2024
Citation in opposition procedure - 001
Sep 20, 2024
Citation in opposition procedure - 002
Sep 20, 2024
Citation in opposition procedure - 003
Sep 20, 2024
Citation in opposition procedure - 004
Sep 20, 2024
Letter accompanying subsequently filed items
Sep 20, 2024
Notice of opposition
Sep 20, 2024
Notice of opposition
Mar 4, 2024
Communication of the registration of a transfer or change of name and/or address
Feb 27, 2024
(Electronic) Receipt
Feb 27, 2024
Annexes in respect of a client data request
Feb 27, 2024
Letter accompanying subsequently filed items
Feb 27, 2024
Submission concerning a transfer of rights (applicant)
Jan 23, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 14, 2023
Decision to grant a European patent
Dec 1, 2023
(Electronic) Receipt
Dec 1, 2023
English translation of the claims
Dec 1, 2023
Filing of the translations of the claims
Dec 1, 2023
French translation of claims
Dec 1, 2023
Letter accompanying subsequently filed items
Oct 2, 2023
Annex to the communication about intention to grant a European patent
Oct 2, 2023
Bibliographic data of the European patent application
Oct 2, 2023
Communication about intention to grant a European patent
Oct 2, 2023
Intention to grant (signatures)
Oct 2, 2023
Text intended for grant (clean copy)
Oct 2, 2023
Text intended for grant (version for approval)
Sep 11, 2023
Examination started
Nov 9, 2022
Notification on forthcoming publication of bibliographic data
Sep 7, 2022
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Aug 31, 2022
Priority search results copy provided by EPO
Aug 9, 2022
(Electronic) Receipt
Aug 9, 2022
Amended claims filed after receipt of (European) search report
Aug 9, 2022
Amended claims with annotations
Aug 9, 2022
Amended description filed after receipt of (European) search report
Aug 9, 2022
Amended description with annotations
Aug 9, 2022
Annex
Aug 9, 2022
Annex
Aug 9, 2022
Annex
Aug 9, 2022
Request for entry into the European phase
Aug 8, 2022
Annexes to the international preliminary examination report
Aug 8, 2022
Copy of the international preliminary examination report
Jun 10, 2022
Information on entry into European phase
May 6, 2022
Annex to International preliminary examination report
May 6, 2022
International preliminary examination report
May 6, 2022
International preliminary examination report - free text sheet
May 6, 2022
International preliminary examination report - points I-VIII
May 6, 2022
Transmittal of International Preliminary Examination Report
Feb 15, 2022
(Electronic) Receipt
Feb 15, 2022
Letter regarding PCTII procedure
Feb 15, 2022
PCT(IPEA): Amended sheet - claims
Feb 15, 2022
PCT(IPEA): Amended sheet - claims
Feb 15, 2022
PCT(IPEA): Amended sheet - description
Feb 15, 2022
PCT(IPEA): Amended sheet - description
Feb 15, 2022
Reply to communication PCT/IPEA/408
Dec 30, 2021
Notification of election of EPO
Dec 23, 2021
Amendments of documents (Article 19 PCT) (without attachments)
Dec 22, 2021
Written opinion
Dec 22, 2021
Written opinion - free text sheet
Dec 22, 2021
Written opinion - points I-VIII
Dec 1, 2021
Notification of receipt of demand
Nov 25, 2021
(Electronic) Receipt
Nov 25, 2021
PCT demand form
Nov 25, 2021
Payment of fees and costs
Nov 25, 2021
Reply to International Search Opinion
Aug 23, 2021
Priority document (electronically transmitted)
Aug 5, 2021
Copy of the international search report
Aug 5, 2021
Copy of the international search report
Aug 5, 2021
Published international application - A1
May 14, 2021
Notification of refund of search fee
May 10, 2021
ISR: cited documents
May 10, 2021
International Search Report - copy in English for the IB
May 10, 2021
Written opinion of the ISA, boxes No. I to VIII
May 10, 2021
Written opinion of the ISA, cover sheet
May 10, 2021
Written opinion of the ISA, supplemental box
May 3, 2021
Notification of the recording of a change
May 3, 2021
Notification of the recording of a change
Feb 9, 2021
Notification of receipt of Search copy
Feb 5, 2021
Request form for international application (copy for ISA/EP)
Jan 27, 2021
Notification of the international application number and of the international filing date
Jan 11, 2021
(Electronic) Receipt
Jan 11, 2021
Abstract
Jan 11, 2021
Claims
Jan 11, 2021
Description
Jan 11, 2021
Document concerning fees and payments
Jan 11, 2021
Drawings
Jan 11, 2021
Electronic request for grant of an International application
Jan 11, 2021
Incoming communication concerning PCT Direct

EP4097441

FLENDER

Application Number: EP21701892A
Filing Date: Jan 11, 2021
Status: Granted And Under Opposition; Dec 8, 2023
Publication Date: Jan 10, 2024
External Links: Slate, Register , Google Patents