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

DYNAMIC OUTPUT POWER MANAGEMENT FOR ELECTRONIC SMOKING DEVICE

Publication No. EP4183282

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App No. EP23150527

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Filed by Fontem Ventures B.V.

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Filed on 2014-12-25

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Issued/Published on 2025-12-17

Official EPO Register

Publication No. EP4183282 A1

Application No. EP23150527 Filed: 2014-12-25

Grant Date 2025-12-17 Mention of grant

Active Oppositions 3 Active EPO Oppositions

Patent Abstract / Summary

[0001] An electronic smoking device is disclosed, the electronic smoking device comprising: an atomizer including a heating element (10); a power source (20) connected to the heating element (10) and, via a first switch (30), to a controller; and a voltage detector (201) configured to detect at least one of: an output voltage of the power source (20), a voltage drop across a reference element (40) connectable in series with the heating element (10), and a voltage drop across the heating element (10), wherein the controller is configured to adjust electrical power supplied from the power source (20) to the heating element (10) based on a resistance value of the reference element (40) and a result of the detection performed by the voltage detector (201).

IPC Classifications

A24F47/00, H05B1/02

Priority Claims

No priority claims recorded

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

Fontem Ventures B.V.

Radarweg 60, 1043 NT Amsterdam

Inventors (2)

Hon, Lik

Beijing 100020

Li, Zhuoran

Beijing 100007

Representatives / Agents

Gulde & Partner

Patent- und Rechtsanwaltskanzlei mbB, Berliner Freiheit 2

Gill Jennings & Every LLP

The Broadgate Tower, 20 Primrose Street

D Young & Co LLP

3 Noble Street, London EC2V 7BQ

HGF

HGF Europe LLP, 4th Floor, 1 City Square

Key Procedural Dates

Request-For-Examination 2023-11-22

Mention Of Grant Published 2025-12-17

First-Examination-Report-Despatched 2025-07-21

Patent Oppositions

Official opposition proceedings filed against European Patent EP4183282 under EPC Article 99.

3 ACTIVE OPPONENTS

Opponent Company

JT International SA

8 rue Kazem Radjavi, CH

Representative

Gill Jennings & Every LLP

Filing Date

2026-09-16

Opposition in Progress

Opponent Company

Nicoventures Holdings Limited

Globe House, GB

Representative

D Young & Co LLP

Filing Date

2026-09-16

Opposition in Progress

Opponent Company

Philip Morris Products S.A.

Quai Jeanrenaud 3, CH

Representative

HGF

Filing Date

2026-09-16

Opposition in Progress

Legal Status & Event History

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

57 Events Recorded

Date	Code	Event Description	Auth
2023-05-24	AC	DIVISIONAL APPLICATION: REFERENCE TO EARLIER APPLICATION	EP
2023-05-24	AK	DESIGNATED CONTRACTING STATES	EP
2023-04-21	PUAI	PUBLIC REFERENCE MADE UNDER ARTICLE 153(3) EPC TO A PUBLISHED INTERNATIONAL APPLICATION THAT HAS ENTERED THE EUROPEAN PHASE	EP
2023-04-21	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2023-11-24	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2023-12-27	17P	REQUEST FOR EXAMINATION FILED	EP
2023-12-27	RBV	DESIGNATED CONTRACTING STATES (CORRECTED)	EP
2025-07-21	GRAP	DESPATCH OF COMMUNICATION OF INTENTION TO GRANT A PATENT	EP
2025-07-21	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-08-06	RIC1	INFORMATION PROVIDED ON IPC CODE ASSIGNED BEFORE GRANT	EP
2025-08-20	INTG	INTENTION TO GRANT ANNOUNCED	EP
2025-11-12	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
2025-12-31	P01	OPT-OUT OF THE COMPETENCE OF THE UNIFIED PATENT COURT (UPC) REGISTERED	EP
2026-01-08	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-01-19	REG	REFERENCE TO A NATIONAL CODE	EP
2026-01-23	REG	REFERENCE TO A NATIONAL CODE	EP
2026-02-04	REG	REFERENCE TO A NATIONAL CODE	EP
2026-02-16	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-03-23	REG	REFERENCE TO A NATIONAL CODE	EP
2026-04-10	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
2026-04-10	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	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
2026-04-15	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-04-16	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [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
2026-04-20	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-04-08	REG	REFERENCE TO A NATIONAL CODE	EP
2026-04-23	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-04-24	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-04-28	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-04-30	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-05-15	REG	REFERENCE TO A NATIONAL CODE	EP
2026-06-29	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-06-28	REG	REFERENCE TO A NATIONAL CODE	EP
2026-07-03	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-04	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-15	PG25	LAPSED IN A CONTRACTING STATE [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
2026-07-25	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-08-06	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-08-18	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-08-26	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-09-18	PLBI	OPPOSITION FILED	EP
2026-08-20	REG	REFERENCE TO A NATIONAL CODE	EP
2026-09-23	REG	REFERENCE TO A NATIONAL CODE	EP
2026-09-29	PLAX	NOTICE OF OPPOSITION AND REQUEST TO FILE OBSERVATION + TIME LIMIT SENT	EP
2026-09-16	REG	REFERENCE TO A NATIONAL CODE	EP
2026-10-09	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP

Patent & Non-Patent Citations

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

13 Citations

Cited Patent Documents

US2014334804 2014-11-13

Espacenet

US2014270727 2014-09-18

Espacenet

DE202013010986 2014-02-17

Espacenet

US2014278250 2014-09-18

Espacenet

WO2014203083 2014-12-24

Espacenet

WO2015100361 2015-07-02

Espacenet

EP2468117 2010-12-24

Espacenet

US6040560 2000-03-21

Espacenet

EP3086671 2018-09-26

Espacenet

US2005143866 2005-06-30

Espacenet

WO2014102091 2014-07-03

Espacenet

US2014014126 2014-01-16

Espacenet

US2014253144 2014-09-11

Espacenet

Worldwide Patent Family

Related applications and patents in the same INPADOC worldwide family.

25 Family Members

Country	Publication Number	Kind	Publication Date	Action
EP	EP4183282A1	A1	2023-05-24	Espacenet
EP	EP4183282B1	B1	2025-12-17	Espacenet
CN	CN107105774A	A	2017-08-29	Espacenet
CN	CN107105774B	B	2021-02-02	Espacenet
EP	EP3236787A1	A1	2017-11-01	Espacenet
EP	EP3236787A4	A4	2018-12-19	Espacenet
EP	EP3236787B1	B1	2023-04-26	Espacenet
EP	EP4646024A2	A2	2025-11-05	Espacenet
EP	EP4646024A3	A3	2026-01-07	Espacenet
EP	EP4819761A2	A2	2026-10-07	Espacenet
ES	ES2957555T3	T3	2024-01-22	Espacenet
ES	ES3059721T3	T3	2026-03-23	Espacenet
GB	GB201502497D0	D0	2015-04-01	Espacenet
GB	GB2533651A	A	2016-06-29	Espacenet
PL	PL3236787T3	T3	2023-09-11	Espacenet
PL	PL4183282T3	T3	2026-04-13	Espacenet
TW	TW201625149A	A	2016-07-16	Espacenet
US	US2017367410A1	A1	2017-12-28	Espacenet
US	US10398176B2	B2	2019-09-03	Espacenet
US	US2020077705A1	A1	2020-03-12	Espacenet
US	US11185648B2	B2	2021-11-30	Espacenet
US	US2022176046A1	A1	2022-06-09	Espacenet
US	US12064548B2	B2	2024-08-20	Espacenet
US	US20240390616A1	A1	2024-11-28	Espacenet
WO	WO2016101200A1	A1	2016-06-30	Espacenet

Official File Inspection EPC Art. 128 Public Dossier

Complete European Patent Register Dossier (148 Total Documents)

The full inspection file for Application EP23150527 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.

Open 148-Doc Register Dossier

Dossier Filing

Date: 2026-07-24 Procedure: Examination 0009299LAPS

Inspect on Register

DYNAMIC OUTPUT POWER MANAGEMENT FOR ELECTRONIC SMOKING DEVICE

Patent Abstract / Summary

IPC Classifications

Priority Claims

Designated Contracting States (38 EPC States)

Parties & Representation

Applicants

Inventors (2)

Representatives / Agents

Key Procedural Dates

Patent Oppositions

JT International SA

Nicoventures Holdings Limited

Philip Morris Products S.A.

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 Patent Application with Search Report (A1)

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

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