Prosthetic Valve

Patent No. EP3402441 (titled "Prosthetic Valve") was filed by Meril Life Sciences Pvt Ltd. on Nov 11, 2017. The application was issued on Feb 11, 2026.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
EDWARDS LIFESCIENCES	Nov 11, 2026	WEICKERT

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

Nov 11, 2026
(Electronic) Receipt
Nov 11, 2026
Consolidated list of cited opposition documents
Nov 11, 2026
Notice of opposition
Nov 11, 2026
Notice of opposition
Mar 6, 2026
Communication of amended entries concerning the representative
Mar 4, 2026
Communication confirming withdrawal from representation
Feb 27, 2026
(Electronic) Receipt
Feb 27, 2026
(Electronic) Receipt
Feb 27, 2026
Letter accompanying subsequently filed items
Feb 27, 2026
Request for change of applicant's representative
Feb 27, 2026
Submission concerning change of applicant's representative
Feb 24, 2026
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 15, 2026
Decision to grant a European patent
Dec 24, 2025
(Electronic) Receipt
Dec 24, 2025
Filing of the translations of the claims
Dec 24, 2025
French translation of claims
Dec 24, 2025
German translation of the claims
Dec 19, 2025
Rectification of the designation of the inventor under Rule 21 EPC
Dec 10, 2025
(Electronic) Receipt
Dec 10, 2025
Letter concerning the inventor
Sep 30, 2025
Annex to the communication about intention to grant a European patent
Sep 30, 2025
Bibliographic data of the European patent application
Sep 30, 2025
Communication about intention to grant a European patent
Sep 30, 2025
Intention to grant (signatures)
Sep 30, 2025
Text intended for grant (clean copy)
Sep 30, 2025
Text intended for grant (version for approval)
Aug 29, 2025
(Electronic) Receipt
Aug 29, 2025
Amended description with annotations
Aug 29, 2025
Description
Aug 29, 2025
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Aug 29, 2025
Summary of subsequently filed documents
Aug 28, 2025
Communication of amended entries concerning the representative
Aug 26, 2025
Communication concerning the filing of a power of attorney
Aug 22, 2025
(Electronic) Receipt
Aug 22, 2025
Authorisation
Aug 22, 2025
Letter accompanying subsequently filed items
Aug 22, 2025
Submission concerning change of applicant's representative
Jul 10, 2025
Annex to the communication about intention to grant a European patent
Jul 10, 2025
Bibliographic data of the European patent application
Jul 10, 2025
Communication about intention to grant a European patent
Jul 10, 2025
Intention to grant (signatures)
Jul 10, 2025
Text intended for grant (clean copy)
Jul 10, 2025
Text intended for grant (version for approval)
Oct 7, 2024
(Electronic) Receipt
Oct 7, 2024
Amended claims with annotations
Oct 7, 2024
Claims
Oct 7, 2024
Letter accompanying subsequently filed items
Oct 7, 2024
Reply to communication from the Examining Division
Aug 13, 2024
Miscellaneous requests concerning client data
Aug 13, 2024
Miscellaneous requests concerning client data
Aug 1, 2024
Communication confirming withdrawal from representation
Aug 1, 2024
Communication of amended entries concerning the representative
Jul 26, 2024
(Electronic) Receipt
Jul 26, 2024
Letter accompanying subsequently filed items
Jul 26, 2024
Submission concerning change of applicant's representative
Jun 7, 2024
Annex to the communication
Jun 7, 2024
Communication from the Examining Division
Aug 11, 2023
Transmittal of third party observations to applicant
Aug 9, 2023
Observations by third parties
Jul 4, 2023
(Electronic) Receipt
Jul 4, 2023
Amended claims with annotations
Jul 4, 2023
Claims
Jul 4, 2023
Letter accompanying subsequently filed items
Jul 4, 2023
Reply to communication from the Examining Division
Mar 31, 2023
(Electronic) Receipt
Mar 31, 2023
Letter accompanying subsequently filed items
Mar 31, 2023
Matter concerning the application
Mar 14, 2023
Annex to the communication
Mar 14, 2023
Communication from the Examining Division
Feb 28, 2023
Observations by third parties
Feb 28, 2023
Transmittal of third party observations to applicant
Feb 27, 2023
Observations by third parties
Feb 14, 2023
Annex to the communication about intention to grant a European patent
Feb 14, 2023
Bibliographic data of the European patent application
Feb 14, 2023
Communication about intention to grant a European patent
Feb 14, 2023
Intention to grant (signatures)
Feb 14, 2023
Text intended for grant (clean copy)
Feb 14, 2023
Text intended for grant (version for approval)
Jan 11, 2023
Examination started
Sep 12, 2022
(Electronic) Receipt
Sep 12, 2022
Letter concerning fees and payments
Nov 11, 2021
(Electronic) Receipt
Nov 11, 2021
Letter concerning fees and payments
May 26, 2021
(Electronic) Receipt
May 26, 2021
Letter concerning fees and payments
Jan 13, 2021
Notice drawing attention to the payment of the renewal fee and additional fee
Apr 6, 2020
(Electronic) Receipt
Apr 6, 2020
Letter accompanying subsequently filed items
Apr 6, 2020
Priority search results
Apr 6, 2020
Reply to invitation to file a copy of priority search results
Mar 12, 2020
Communication of amended entries concerning the representative
Mar 2, 2020
Submission concerning change of applicant's representative
Jan 29, 2020
Invitation to file a copy of search results(priority)
Jan 20, 2020
(Electronic) Receipt
Jan 20, 2020
(Electronic) Receipt
Jan 20, 2020
Amended claims filed after receipt of (European) search report
Jan 20, 2020
Amended claims with annotations
Jan 20, 2020
Amended description filed after receipt of (European) search report
Jan 20, 2020
Amended description with annotations
Jan 20, 2020
Amendments received before examination
Jan 20, 2020
Letter accompanying subsequently filed items
Jan 20, 2020
Letter concerning fees and payments
Jan 7, 2020
Notice drawing attention to the payment of the renewal fee and additional fee
Aug 29, 2019
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Aug 12, 2019
Communication regarding the transmission of the European search report
Aug 12, 2019
European search opinion
Aug 12, 2019
Information on Search Strategy
Aug 12, 2019
Supplementary European search report
Aug 2, 2019
Search started
Jul 3, 2019
Copy of the international preliminary report on patentability
Oct 24, 2018
Notification on forthcoming publication of bibliographic data
Sep 12, 2018
Communication regarding possible amendment of the application/payment of claims fee
Sep 7, 2018
Communication to designated inventor
Sep 7, 2018
Communication to designated inventor
Sep 7, 2018
Communication to designated inventor
Sep 7, 2018
Confirmation of effective date of early entry
Aug 14, 2018
(Electronic) Receipt
Aug 14, 2018
Request for entry into the European phase
Jul 16, 2018
Priority document (electronically transmitted)
Jul 16, 2018
Priority document (electronically transmitted)
Jun 21, 2018
Copy of the international search report
Jun 21, 2018
Published international application - A1

EP3402441

MERIL LIFE SCIENCES PVT LTD.

Application Number: EP17881282A
Filing Date: Nov 11, 2017
Status: Granted And Under Opposition; Jan 9, 2026
Publication Date: Feb 11, 2026
External Links: Slate, Register , Google Patents

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Prosthetic Valve

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Dossier Documents

EP3402441