Helically Toothed Drive Belt

Patent No. EP4405597 (titled "Helically Toothed Drive Belt") was filed by Contitech Deutschland on Sep 1, 2022. The application was issued on Aug 20, 2025.

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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Sep 2, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 24, 2025
Decision to grant a European patent
May 6, 2025
Communication of amended entries concerning the representative
Apr 29, 2025
(Electronic) Receipt
Apr 29, 2025
Request for change of applicant's representative
Mar 26, 2025
Letter relating to the request for the automatic debiting procedure
Mar 26, 2025
Letter relating to the revocation of the automatic debiting procedure
Mar 20, 2025
Annex to the communication about intention to grant a European patent
Mar 20, 2025
Bibliographic data of the European patent application
Mar 20, 2025
Communication about intention to grant a European patent
Mar 20, 2025
Intention to grant (signatures)
Mar 20, 2025
Text intended for grant (clean copy)
Mar 20, 2025
Text intended for grant (version for approval)
Jan 30, 2025
Examination started
Dec 13, 2024
Invitation to file a copy of search results(priority)
Oct 24, 2024
Communication of the registration of a transfer or change of name and/or address
Jul 3, 2024
Notification on forthcoming publication of bibliographic data
May 2, 2024
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Apr 8, 2024
Copy of the international preliminary report on patentability
Mar 12, 2024
Letter accompanying subsequently filed items
Mar 12, 2024
Submission concerning change of applicant's address
Feb 9, 2024
Information regarding early processing
Feb 8, 2024
Notification of the recording of a change
Feb 8, 2024
Notification of the recording of a change
Feb 8, 2024
Notification of the recording of a change
Feb 8, 2024
Notification of the recording of a change
Feb 8, 2024
Notification of the recording of a change
Feb 8, 2024
Notification of the recording of a change
Feb 8, 2024
Notification of the recording of a change
Feb 8, 2024
Notification of the recording of a change
Feb 1, 2024
(Electronic) Receipt
Feb 1, 2024
Notification of the recording of a change
Feb 1, 2024
Notification of the recording of a change
Feb 1, 2024
Notification of the recording of a change
Feb 1, 2024
Notification of the recording of a change
Feb 1, 2024
Notification of the recording of a change
Feb 1, 2024
Notification of the recording of a change
Feb 1, 2024
Notification of the recording of a change
Feb 1, 2024
Notification of the recording of a change
Feb 1, 2024
Request for entry into the European phase
Jan 16, 2024
Notification of the recording of a change
Jan 16, 2024
Notification of the recording of a change
Jan 6, 2024
Notification of the recording of a change
Jan 6, 2024
Notification of the recording of a change
Jan 6, 2024
Notification of the recording of a change
Jan 6, 2024
Notification of the recording of a change
Jan 6, 2024
Notification of the recording of a change
Jan 6, 2024
Notification of the recording of a change
Jan 6, 2024
Notification of the recording of a change
Jan 6, 2024
Notification of the recording of a change
Apr 17, 2023
Priority document (electronically transmitted)
Mar 30, 2023
Copy of the international search report
Mar 30, 2023
Copy of the international search report
Mar 30, 2023
Published international application - A1
Dec 2, 2022
ISR: cited documents
Dec 2, 2022
International Search Report - copy in English for the IB
Dec 2, 2022
Written opinion of the ISA, boxes No. I to VIII
Dec 2, 2022
Written opinion of the ISA, cover sheet
Dec 2, 2022
Written opinion of the ISA, supplemental box
Sep 26, 2022
Notification of receipt of Search copy
Sep 13, 2022
Abstract
Sep 13, 2022
Claims
Sep 13, 2022
Description
Sep 13, 2022
Request form for international application (copy for ISA/EP)

EP4405597

CONTITECH DEUTSCHLAND

Application Number: EP22769082A
Filing Date: Sep 1, 2022
Status: Granted And Under Opposition; Jul 18, 2025
Publication Date: Aug 20, 2025
External Links: Slate, Register , Google Patents

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Helically Toothed Drive Belt

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EP4405597