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Rear-End Transmission Apparatus, Medical Instrument And Surgical Robot

Patent No. EP4316403 (titled "Rear-End Transmission Apparatus, Medical Instrument And Surgical Robot") was filed by Cornerstone Technology Shenzhen on Mar 3, 2022. The application was issued on Jul 30, 2025.

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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.

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Aug 12, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 3, 2025
Decision to grant a European patent
Jun 26, 2025
Communication of amended entries concerning the representative
Jun 24, 2025
Communication concerning the filing of a power of attorney
Jun 20, 2025
Invitation to file an authorisation
Jun 18, 2025
(Electronic) Receipt
Jun 18, 2025
Letter accompanying subsequently filed items
Jun 16, 2025
(Electronic) Receipt
Jun 16, 2025
Filing of the translations of the claims
Jun 16, 2025
French translation of claims
Jun 16, 2025
German translation of the claims
Jun 16, 2025
Submission concerning change of applicant's representative
May 22, 2025
Annex to the communication about intention to grant a European patent
May 22, 2025
Bibliographic data of the European patent application
May 22, 2025
Communication about intention to grant a European patent
May 22, 2025
Intention to grant (signatures)
May 22, 2025
Text intended for grant (clean copy)
May 22, 2025
Text intended for grant (version for approval)
May 2, 2025
Examination started
Feb 14, 2025
(Electronic) Receipt
Feb 14, 2025
Amended claims filed after receipt of (European) search report
Feb 14, 2025
Amended claims with annotations
Feb 14, 2025
Amended description filed after receipt of (European) search report
Feb 14, 2025
Amended description with annotations
Feb 14, 2025
Amendments received before examination
Feb 14, 2025
Letter accompanying subsequently filed items
Sep 5, 2024
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Aug 19, 2024
Communication regarding the transmission of the European search report
Aug 19, 2024
European search opinion
Aug 19, 2024
Information on Search Strategy
Aug 19, 2024
Supplementary European search report
Aug 5, 2024
Search started
Jan 10, 2024
Notification of forthcoming publication
Nov 13, 2023
Confirmation of effective date of early entry
Nov 13, 2023
Copy of the international preliminary report on patentability
Nov 13, 2023
Translation of the international preliminary report on patentability
Nov 2, 2023
(Electronic) Receipt
Nov 2, 2023
Abstract
Nov 2, 2023
Amended claims filed after receipt of (European) search report
Nov 2, 2023
Amended claims with annotations
Nov 2, 2023
Amended description filed after receipt of (European) search report
Nov 2, 2023
Amended description with annotations
Nov 2, 2023
Amended drawings filed after receipt of (European) search report
Nov 2, 2023
Amended drawings with annotations
Nov 2, 2023
Annex
Nov 2, 2023
Annex
Nov 2, 2023
Claims
Nov 2, 2023
Description
Nov 2, 2023
Drawings
Nov 2, 2023
Request for entry into the European phase
Sep 8, 2023
Information on entry into European phase
Nov 21, 2022
Priority document (electronically transmitted)
Nov 3, 2022
Copy of the international search report
Nov 3, 2022
Copy of the translated international search report
Nov 3, 2022
International publication pamphlet

EP4316403

CORNERSTONE TECHNOLOGY SHENZHEN

Application Number: EP22794333A
Filing Date: Mar 3, 2022
Status: Granted And Under Opposition; Jun 27, 2025
Publication Date: Jul 30, 2025
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