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

ENDOLUMINAL LASER ABLATION DEVICE FOR TREATING VEINS

Publication No. EP4458303

•

App No. EP24188670

•

Filed by biolitec Holding GmbH & Co KG

•

Filed on 2009-03-02

•

Issued/Published on 2026-01-28

Official EPO Register

Publication No. EP4458303 A2

Application No. EP24188670 Filed: 2009-03-02

Grant Date 2026-01-28 Mention of grant

Active Oppositions 1 Active EPO Oppositions

Patent Abstract / Summary

An improved method and device are provided for safe and efficient low power density endoluminal treatment of venous insufficiency. One such device emits pulsed or continuous energy radially through an optical fiber end with a conical shaped tip for 360° radial emission. In some embodiments, a conical reflective surface is distally spaced opposite to and faces the emitting tip for enhancing radial emission efficiency by reflecting out any designed or remnant forwardly transmitted energy in radial directions. Other devices include flat emitting faces sealed within protective, radiation transparent covers. Laser radiation is transmitted at a wavelength and power such that is it substantially entirely absorbed within the blood vessel wall to sufficiently damage the intravascular endothelium and, in turn, achieve blood vessel closure. Because the energy is substantially entirely absorbed within the blood vessel wall, the need for a local anesthetic along the treatment area of the blood vessel may be substantially avoided.

IPC Classifications

A61B18/24

Priority Claims

US 20086753708P Date: 2008-02-28

US 20087902408P Date: 2008-07-08

US 200810495608P Date: 2008-10-13

US 200939545509 Date: 2009-02-27

Designated Contracting States (35 EPC States)

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 SE SI SK TR

Parties & Representation

Applicants

biolitec Holding GmbH & Co KG

Untere Viaduktgasse 6/9, 1030 Wien

Inventors (1)

NEUBERGER, Wolfgang

1010 Vienna

Representatives / Agents

Herrmann, Franz

Dendorfer & Herrmann, Patentanwälte Partnerschaft mbB

Von Rohr Patentanwälte Partnerschaft mbB

Rüttenscheider Straße 62, 45130 Essen

Key Procedural Dates

Request-For-Examination 2025-02-18

Mention Of Grant Published 2026-01-28

First-Examination-Report-Despatched 2025-07-25

Legal Status & Event History

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

44 Events Recorded

Date	Code	Event Description	Auth
2024-11-06	AC	DIVISIONAL APPLICATION: REFERENCE TO EARLIER APPLICATION	EP
2024-11-06	AK	DESIGNATED CONTRACTING STATES	EP
2024-10-03	PUAI	PUBLIC REFERENCE MADE UNDER ARTICLE 153(3) EPC TO A PUBLISHED INTERNATIONAL APPLICATION THAT HAS ENTERED THE EUROPEAN PHASE	EP
2024-10-03	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2024-11-22	PUAL	SEARCH REPORT DESPATCHED	EP
2024-12-25	RIC1	INFORMATION PROVIDED ON IPC CODE ASSIGNED BEFORE GRANT	EP
2024-12-25	AK	DESIGNATED CONTRACTING STATES	EP
2025-02-21	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-02-25	TPAC	OBSERVATIONS FILED BY THIRD PARTIES	EP
2025-03-26	17P	REQUEST FOR EXAMINATION FILED	EP
2025-07-25	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-08-27	17Q	FIRST EXAMINATION REPORT DESPATCHED	EP
2025-12-02	GRAP	DESPATCH OF COMMUNICATION OF INTENTION TO GRANT A PATENT	EP
2025-12-02	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-12-31	INTG	INTENTION TO GRANT ANNOUNCED	EP
2025-12-26	GRAA	(EXPECTED) GRANT	EP
2025-12-12	GRAS	GRANT FEE PAID	EP
2025-12-12	TPAC	OBSERVATIONS FILED BY THIRD PARTIES	EP
2025-12-26	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2026-01-28	AC	DIVISIONAL APPLICATION: REFERENCE TO EARLIER APPLICATION	EP
2026-01-28	AK	DESIGNATED CONTRACTING STATES	EP
2026-01-28	REG	REFERENCE TO A NATIONAL CODE	EP
2026-01-29	REG	REFERENCE TO A NATIONAL CODE	EP
2026-02-19	REG	REFERENCE TO A NATIONAL CODE	EP
2026-02-20	PLBI	OPPOSITION FILED	EP
2026-02-25	REG	REFERENCE TO A NATIONAL CODE	EP
2026-02-27	PLAB	OPPOSITION DATA, OPPONENT'S DATA OR THAT OF THE OPPONENT'S REPRESENTATIVE MODIFIED	EP
2026-03-04	REG	REFERENCE TO A NATIONAL CODE	EP
2026-03-25	26	OPPOSITION FILED	EP
2026-04-01	R26	OPPOSITION FILED (CORRECTED)	EP
2026-04-01	U01	REQUEST FOR UNITARY EFFECT FILED	EP
2026-04-01	U07	UNITARY EFFECT REGISTERED	EP
2026-04-07	REG	REFERENCE TO A NATIONAL CODE	EP
2026-04-09	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-05-20	U20	RENEWAL FEE FOR THE EUROPEAN PATENT WITH UNITARY EFFECT PAID	EP
2026-05-27	REG	REFERENCE TO A NATIONAL CODE	EP
2026-07-08	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-09	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-10	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-14	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-16	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-17	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
2026-10-13	PG25	LAPSED IN A CONTRACTING STATE [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 EP24188670 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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ENDOLUMINAL LASER ABLATION DEVICE FOR TREATING VEINS

Patent Abstract / Summary

IPC Classifications

Priority Claims

Designated Contracting States (35 EPC States)

Parties & Representation

Applicants

Inventors (1)

Representatives / Agents

Key Procedural Dates

Patent Oppositions

Light Guide Optics Germany GmbH

Legal Status & Event History

Patent & Non-Patent Citations

Cited Patent Documents

Non-Patent Scientific Literature (NPL)

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)

Lapse of the patent in a contracting state

Change - opposition data/opponent's data or that of the opponent's representative

Opposition filed

Change - divisional application(s)

(Expected) grant

New entry: Receipt of the translation of the claim(s)

New entry: Payment of fee for grant

New entry: Payment of fee for publishing/printing

New entry: Observations by third parties

Observations by a third party

New entry: Communication of intention to grant a patent

Intention to grant the patent

New entry: Reply to examination report

New entry: Despatch of examination report + time limit

First examination report

Communication from the examining division

New entry: Additional fee for renewal fee: payment of fee

New entry: Renewal fee paid

Renewal fee payment

Additional fee for renewal fee

New entry: Additional fee for renewal fee: despatch of communication + time limit

New entry: Observations by third parties

Observations by a third party

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

Request for examination filed

Amendment by applicant

Date on which the examining division has become responsible

Amendments

Change - classification

Publication of search report

Publication in section I.1 EP Bulletin

Change - representative

New entry: Renewal fee paid

Renewal fee payment

Language of the procedure

International searching authority