Catheter With Ablation Electrode

Patent No. EP3797719 (titled "Catheter With Ablation Electrode") was filed by Affera on May 2, 2017. The application was issued on Jun 25, 2025.

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
BIOSENSE WEBSTER ISRAEL	Dec 30, 2025	CARPMAELS & RANSFORD

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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Apr 8, 2026
Communication of a notice of opposition and request to file observations
Apr 8, 2026
Notice of further oppositions to opponent(s)
Jan 9, 2026
Communication of a notice of opposition - first information to patent proprietor
Dec 30, 2025
(Electronic) Receipt
Dec 30, 2025
Any annexes (other than citation) to an opposition letter
Dec 30, 2025
Any annexes (other than citation) to an opposition letter
Dec 30, 2025
Citation in opposition procedure - 001
Dec 30, 2025
Citation in opposition procedure - 002
Dec 30, 2025
Citation in opposition procedure - 003
Dec 30, 2025
Citation in opposition procedure - 004
Dec 30, 2025
Citation in opposition procedure - 005
Dec 30, 2025
Citation in opposition procedure - 006
Dec 30, 2025
Citation in opposition procedure - 007
Dec 30, 2025
Citation in opposition procedure - 008
Dec 30, 2025
Citation in opposition procedure - 009
Dec 30, 2025
Citation in opposition procedure - 010
Dec 30, 2025
Citation in opposition procedure - 011
Dec 30, 2025
Citation in opposition procedure - 012
Dec 30, 2025
Citation in opposition procedure - 013
Dec 30, 2025
Consolidated list of cited opposition documents
Dec 30, 2025
Notice of opposition
Dec 30, 2025
Notice of opposition
Dec 30, 2025
Notice of opposition
Jul 8, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 30, 2025
Decision to grant a European patent
Apr 29, 2025
(Electronic) Receipt
Apr 29, 2025
Filing of the translations of the claims
Apr 29, 2025
French translation of claims
Apr 29, 2025
German translation of the claims
Apr 29, 2025
Letter accompanying subsequently filed items
Jan 3, 2025
Annex to the communication about intention to grant a European patent
Jan 3, 2025
Bibliographic data of the European patent application
Jan 3, 2025
Communication about intention to grant a European patent
Jan 3, 2025
Intention to grant (signatures)
Jan 3, 2025
Text intended for grant (clean copy)
Jan 3, 2025
Text intended for grant (version for approval)
Nov 13, 2024
(Electronic) Receipt
Nov 13, 2024
Description
Nov 13, 2024
Letter accompanying subsequently filed items
Nov 13, 2024
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jul 15, 2024
Annex to the communication about intention to grant a European patent
Jul 15, 2024
Bibliographic data of the European patent application
Jul 15, 2024
Communication about intention to grant a European patent
Jul 15, 2024
Intention to grant (signatures)
Jul 15, 2024
Text intended for grant (clean copy)
Jul 15, 2024
Text intended for grant (version for approval)
Jun 3, 2024
Examination started
Dec 13, 2023
Response to enquiry for communication from the Examining Division
Nov 29, 2023
(Electronic) Receipt
Nov 29, 2023
Enquiry as to the processing of the file
Nov 29, 2023
Letter accompanying subsequently filed items
May 24, 2023
(Electronic) Receipt
May 24, 2023
Letter accompanying subsequently filed items
May 24, 2023
Submission concerning change of applicant's representative
May 23, 2023
Communication confirming withdrawal from representation
May 23, 2023
Communication of amended entries concerning the representative
May 16, 2023
(Electronic) Receipt
May 16, 2023
Letter accompanying subsequently filed items
May 16, 2023
Submission concerning change of applicant's representative
Sep 30, 2021
(Electronic) Receipt
Sep 30, 2021
Amended claims filed after receipt of (European) search report
Sep 30, 2021
Amended claims with annotations
Sep 30, 2021
Amendments received before examination
Sep 30, 2021
Letter accompanying subsequently filed items
Apr 7, 2021
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Mar 3, 2021
Notification of forthcoming publication
Mar 1, 2021
Communication regarding the transmission of the European search report
Mar 1, 2021
European search opinion
Mar 1, 2021
European search report
Mar 1, 2021
Information on Search Strategy
Jan 27, 2021
Request for re-establishment of rights allowed
Jan 5, 2021
(Electronic) Receipt
Jan 5, 2021
Annex
Jan 5, 2021
Annex
Jan 5, 2021
Annex
Jan 5, 2021
Annex
Jan 5, 2021
Annex
Jan 5, 2021
Annex
Jan 5, 2021
Annex
Jan 5, 2021
Letter accompanying subsequently filed items
Jan 5, 2021
Request for re-establishment of rights
Nov 2, 2020
Communication for party to proceedings/third party
Oct 27, 2020
Refund of fees
Oct 27, 2020
Refund of fees
Oct 2, 2020
(Electronic) Receipt
Oct 2, 2020
Letter accompanying subsequently filed items
Oct 2, 2020
Request for re-establishment of rights
Sep 18, 2020
Communication of amended entries concerning the representative
Sep 14, 2020
Letter accompanying subsequently filed items
Sep 14, 2020
Letter accompanying subsequently filed items
Sep 14, 2020
Submission concerning change of applicant's representative
Aug 10, 2020
Application deemed to be withdrawn (non-payment of renewal fee)
Jun 29, 2020
Search started
Mar 17, 2020
(Electronic) Receipt
Mar 17, 2020
(Electronic) Receipt
Mar 17, 2020
Amended claims with annotations
Mar 17, 2020
Claims
Mar 17, 2020
Letter accompanying subsequently filed items
Mar 17, 2020
Letter accompanying subsequently filed items
Mar 17, 2020
Letter concerning fees and payments
Mar 17, 2020
Matter concerning the application
Mar 17, 2020
Matter concerning the application
Mar 11, 2020
Communication to designated inventor
Mar 11, 2020
Communication to designated inventor
Mar 11, 2020
Communication to designated inventor
Mar 11, 2020
Communication to designated inventor
Mar 11, 2020
Communication to designated inventor
Jan 28, 2020
Invitation to file claims
Jan 17, 2020
Abstract
Jan 17, 2020
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jan 17, 2020
Description
Jan 17, 2020
Designation of inventor
Jan 17, 2020
Drawings
Jan 17, 2020
Matter concerning the application
Jan 17, 2020
Request for grant of a European patent
Nov 27, 2017
Priority document (electronically transmitted)
Nov 27, 2017
Priority document (electronically transmitted)
Nov 27, 2017
Priority document (electronically transmitted)
Nov 27, 2017
Priority document (electronically transmitted)
Nov 27, 2017
Priority document (electronically transmitted)
Nov 27, 2017
Priority document (electronically transmitted)
Nov 27, 2017
Priority document (electronically transmitted)
Nov 27, 2017
Priority document (electronically transmitted)
Nov 27, 2017
Priority document (electronically transmitted)
Nov 27, 2017
Priority document (electronically transmitted)

EP3797719

AFFERA

Application Number: EP20152496A
Filing Date: May 2, 2017
Status: Granted And Under Opposition; May 23, 2025
Publication Date: Jun 25, 2025
External Links: Slate, Register , Google Patents

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Catheter With Ablation Electrode

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Dossier Documents

EP3797719