The patent has been granted The patent has been granted, Grant of patent is intended, Examination is in progress, Request for examination was made EP Register Verified

PROSTHETIC HEART VALVE

Publication No. EP4523657

•

App No. EP24207982

•

Filed by Edwards Lifesciences Corporation

•

Filed on 2011-10-05

•

Issued/Published on 2025-12-17

Official EPO Register

Publication No. EP4523657 A2

Application No. EP24207982 Filed: 2011-10-05

Grant Date 2025-12-17 Mention of grant

Active Oppositions 1 Active EPO Oppositions

Patent Abstract / Summary

Embodiments of a radially collapsible and expandable prosthetic heart valve are disclosed. A valve frame can have a tapered profile when mounted on a delivery shaft, with an inflow end portion having a smaller diameter than an outflow end portion. The valve can comprise generally V-shaped leaflets, reducing material within the inflow end of the frame. An outer skirt can be secured to the outside of the inflow end portion of the frame, the outer skirt having longitudinal slack when the valve is expanded and lying flat against the frame when the valve is collapsed. A diagonally woven inner skirt can elongate axially with the frame. Side tabs of adjacent leaflets can extend through and be secured to window frame portions of the frame to form commissures. The window frame portions can be depressed radially inward relative to surrounding frame portions when the valve is crimped onto a delivery shaft.

IPC Classifications

A61F2/24, A61M29/02 A61F2/24

Priority Claims

US 201039010710P Date: 2010-10-05

US 201161508513P Date: 2011-07-15

Designated Contracting States (38 EPC States)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Parties & Representation

Applicants

Edwards Lifesciences Corporation

One Edwards Way, Irvine, CA 92614

Inventors (8)

Levi, Tamir

Irvine, CA 92614

Nguyen, Son V.

Irvine, CA 92614

Benichou, Netanel

Irvine, CA 92614

Maimon, David

Irvine, CA 92614

Yohanan, Ziv

Irvine, CA 92614

Gurovich, Nik

Irvine, CA 92614

Felsen, Bella

Irvine, CA 92614

Dadonkin, Larisa

Irvine, CA 92614

Representatives / Agents

Weickert, Jonas, et al

Thum & Partner, Thum Mötsch Weickert

Eisenführ Speiser

Patentanwälte Rechtsanwälte PartGmbB, Gollierstraße 4

Marks & Clerk LLP

15 Fetter Lane, London EC4A 1BW

Key Procedural Dates

Request-For-Examination 2025-01-08

Mention Of Grant Published 2025-12-17

First-Examination-Report-Despatched 2025-04-29

Legal Status & Event History

Official European Patent Office legal and procedural status changes recorded for this file.

38 Events Recorded

Date	Code	Event Description	Auth
2025-02-14	PUAI	PUBLIC REFERENCE MADE UNDER ARTICLE 153(3) EPC TO A PUBLISHED INTERNATIONAL APPLICATION THAT HAS ENTERED THE EUROPEAN PHASE	EP
2025-02-14	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-03-19	17P	REQUEST FOR EXAMINATION FILED	EP
2025-03-19	AC	DIVISIONAL APPLICATION: REFERENCE TO EARLIER APPLICATION	EP
2025-03-19	AK	DESIGNATED CONTRACTING STATES	EP
2025-04-18	PUAL	SEARCH REPORT DESPATCHED	EP
2025-04-25	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-04-30	P01	OPT-OUT OF THE COMPETENCE OF THE UNIFIED PATENT COURT (UPC) REGISTERED	EP
2025-05-21	RIC1	INFORMATION PROVIDED ON IPC CODE ASSIGNED BEFORE GRANT	EP
2025-05-21	AK	DESIGNATED CONTRACTING STATES	EP
2025-05-28	17Q	FIRST EXAMINATION REPORT DESPATCHED	EP
2025-10-07	GRAP	DESPATCH OF COMMUNICATION OF INTENTION TO GRANT A PATENT	EP
2025-10-07	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-11-05	RIN1	INFORMATION ON INVENTOR PROVIDED BEFORE GRANT (CORRECTED)	EP
2025-11-05	INTG	INTENTION TO GRANT ANNOUNCED	EP
2025-11-11	GRAS	GRANT FEE PAID	EP
2025-11-14	GRAA	(EXPECTED) GRANT	EP
2025-11-14	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-12-17	AC	DIVISIONAL APPLICATION: REFERENCE TO EARLIER APPLICATION	EP
2025-12-17	AK	DESIGNATED CONTRACTING STATES	EP
2025-12-17	REG	REFERENCE TO A NATIONAL CODE	EP
2025-12-31	REG	REFERENCE TO A NATIONAL CODE	EP
2026-02-25	U01	REQUEST FOR UNITARY EFFECT FILED	EP
2026-02-25	U07	UNITARY EFFECT REGISTERED	EP
2026-03-04	P04	WITHDRAWAL OF OPT-OUT OF THE COMPETENCE OF THE UNIFIED PATENT COURT (UPC) REGISTERED	EP
2026-04-13	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-04-14	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-04-17	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-03	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-08	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-09	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-18	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-21	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-25	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-09-25	PLBI	OPPOSITION FILED	EP
2026-09-29	PLAX	NOTICE OF OPPOSITION AND REQUEST TO FILE OBSERVATION + TIME LIMIT SENT	EP
2026-09-30	REG	REFERENCE TO A NATIONAL CODE	EP
2026-10-13	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP

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Cited documents and prior art referenced in search and examination reports.

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Official File Inspection EPC Art. 128 Public Dossier

Complete European Patent Register Dossier (148 Total Documents)

The full inspection file for Application EP24207982 contains 148 total documents, including all notices of opposition, proprietor counter-statements, examination communications, third-party observations, and procedural forms. Below are all major recorded procedural filings and publication specifications.

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Date: 2025-11-11 Procedure: Grant EPIDOSNIGR3

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PROSTHETIC HEART VALVE

Patent Abstract / Summary

IPC Classifications

Priority Claims

Designated Contracting States (38 EPC States)

Parties & Representation

Applicants

Inventors (8)

Representatives / Agents

Key Procedural Dates

Patent Oppositions

Meril GmbH

Legal Status & Event History

Patent & Non-Patent Citations

Cited Patent Documents

Worldwide Patent Family

Complete European Patent Register Dossier (148 Total Documents)

Recorded Filings & Patent Specifications

European Patent Specification - Granted Patent (B1)

Official European Patent Register Full Dossier

European Search Report (A3)

European Patent Application without Search Report (A2)

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New entry: Communication of a notice of opposition and request to file observations + time limit

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Lapse of the patent in a contracting state

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New entry: Communication of intention to grant a patent

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New entry: Renewal fee paid

Renewal fee payment

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Communication from the examining division

First examination report

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Publication of search report

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The date on which the examining division becomes responsible, has been established

Publication in section I.1 EP Bulletin

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