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 international publication has been made EP Register Verified

PORTABLE LIMB COMPRESSION SYSTEM

Publication No. EP4203873

•

App No. EP21889735

•

Filed by National University Hospital (Singapore) Pte Ltd

•

Filed on 2021-11-05

•

Issued/Published on 2026-05-06

Official EPO Register

Publication No. EP4203873 A1

Application No. EP21889735 Filed: 2021-11-05

Grant Date 2026-05-06 Mention of grant

Active Oppositions 1 Active EPO Oppositions

Patent Abstract / Summary

Patent abstract is being processed or was not provided in English by the publishing office.

IPC Classifications

A61H9/00, A61F7/02 A61F7/02

Priority Claims

SG 20201011034T Date: 2020-11-05

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

National University Hospital (Singapore) Pte Ltd

1E Kent Ridge Road, 13-00, Singapore 119228

National University of Singapore

21 Lower Kent Ridge Road, Singapore 119077

Paxman Coolers Limited

International House, Penistone Road

Inventors (5)

SUNDAR, Raghav

Singapore 119228

BANDLA, Aishwarya

Singapore 117456

PAXMAN, Neil

Huddersfield HD9 4NW

PAXMAN, Glenn

Holmfirth HD9 7DN

MOSES, Rodney

Nottingham NH7 1FE

Representatives / Agents

Forresters IP LLP

Skygarden, Erika-Mann-Straße 11

Potter Clarkson

Chapel Quarter, Mount Street

Key Procedural Dates

Request-For-Examination 2023-03-30

Mention Of Grant Published 2026-05-06

First-Examination-Report-Despatched 2025-05-13

Legal Status & Event History

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

31 Events Recorded

Date	Code	Event Description	Auth
2022-05-13	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2023-06-02	PUAI	PUBLIC REFERENCE MADE UNDER ARTICLE 153(3) EPC TO A PUBLISHED INTERNATIONAL APPLICATION THAT HAS ENTERED THE EUROPEAN PHASE	EP
2023-06-02	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2023-07-05	17P	REQUEST FOR EXAMINATION FILED	EP
2023-07-05	AK	DESIGNATED CONTRACTING STATES	EP
2024-02-14	DAX	REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (DELETED)	EP
2024-02-14	DAV	REQUEST FOR VALIDATION OF THE EUROPEAN PATENT (DELETED)	EP
2024-08-17	REG	REFERENCE TO A NATIONAL CODE	EP
2024-09-25	RIC1	INFORMATION PROVIDED ON IPC CODE ASSIGNED BEFORE GRANT	EP
2024-09-25	A4	SUPPLEMENTARY SEARCH REPORT DRAWN UP AND DESPATCHED	EP
2025-05-09	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-06-11	17Q	FIRST EXAMINATION REPORT DESPATCHED	EP
2026-01-23	GRAP	DESPATCH OF COMMUNICATION OF INTENTION TO GRANT A PATENT	EP
2026-01-23	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2026-02-25	INTG	INTENTION TO GRANT ANNOUNCED	EP
2026-03-31	GRAS	GRANT FEE PAID	EP
2026-04-03	GRAA	(EXPECTED) GRANT	EP
2026-04-03	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2026-05-06	AK	DESIGNATED CONTRACTING STATES	EP
2026-05-06	REG	REFERENCE TO A NATIONAL CODE	EP
2026-05-15	PLBI	OPPOSITION FILED	EP
2026-05-21	REG	REFERENCE TO A NATIONAL CODE	EP
2026-05-28	REG	REFERENCE TO A NATIONAL CODE	EP
2026-05-11	REG	REFERENCE TO A NATIONAL CODE	EP
2026-06-03	REG	REFERENCE TO A NATIONAL CODE	EP
2026-06-17	26	OPPOSITION FILED	EP
2026-07-01	U01	REQUEST FOR UNITARY EFFECT FILED	EP
2026-07-15	U07	UNITARY EFFECT REGISTERED	EP
2026-09-22	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
2026-10-14	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.

10 Citations

Cited Patent Documents

US2014316314 2014-10-23

Espacenet

US2018193186 2018-07-12

Espacenet

US2001039439 2001-11-08

Espacenet

US2008132816 2008-06-05

Espacenet

US2020138665 2020-05-07

Espacenet

US8753383 2014-06-17

Espacenet

US2016361196 2016-12-15

Espacenet

CN207721954 2018-08-14

Espacenet

US2001038665 2020-05-07

Espacenet

EP3192476

Espacenet

Worldwide Patent Family

Related applications and patents in the same INPADOC worldwide family.

13 Family Members

Country	Publication Number	Kind	Publication Date	Action
EP	EP4203873A1	A1	2023-07-05	Espacenet
EP	EP4203873A4	A4	2024-09-25	Espacenet
EP	EP4203873B1	B1	2026-05-06	Espacenet
EP	EP4203873C0	C0	2026-05-06	Espacenet
CN	CN116390700A	A	2023-07-04	Espacenet
GB	GB202304710D0	D0	2023-05-17	Espacenet
GB	GB2614484A	A	2023-07-05	Espacenet
GB	GB2614484A8	A8	2023-09-20	Espacenet
GB	GB2614484B	B	2025-01-22	Espacenet
JP	JP2023548095A	A	2023-11-15	Espacenet
JP	JP7821794B2	B2	2026-02-27	Espacenet
US	US2023414444A1	A1	2023-12-28	Espacenet
WO	WO2022098308A1	A1	2022-05-12	Espacenet

Official File Inspection EPC Art. 128 Public Dossier

Complete European Patent Register Dossier (148 Total Documents)

The full inspection file for Application EP21889735 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

Procedural Step

Date: 2026-01-23 Procedure: Grant IGRA

Inspect on Register

PORTABLE LIMB COMPRESSION SYSTEM

Patent Abstract / Summary

IPC Classifications

Priority Claims

Designated Contracting States (38 EPC States)

Parties & Representation

Applicants

Inventors (5)

Representatives / Agents

Key Procedural Dates

Patent Oppositions

Hilotherm Holding AG

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)

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

Opposition filed

(Expected) grant

New entry: Payment of fee for grant

New entry: Payment of fee for publishing/printing

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

New entry: Communication of intention to grant a patent

Intention to grant the patent

New entry: Renewal fee paid

Renewal fee payment

New entry: Reply to examination report

New entry: Despatch of examination report + time limit

Communication from the examining division

First examination report

Amendment by applicant

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

Date on which the examining division has become responsible

Amendments

New entry: Renewal fee paid

Renewal fee payment

Supplementary search report

Change - classification

Change - extension states

Change: Validation states

New entry: Renewal fee paid

Renewal fee payment

Amendment by applicant

Publication in section I.1 EP Bulletin

Request for examination filed

PCT data prior to European publication

PCT data prior to European publication

PCT data prior to European publication

Change - representative

PCT data prior to European publication

Payment of national basic fee

Payment of the fee for supplementary search

Payment of the first designation fee

Payment of the fee for examination

PCT data prior to European publication

New entry: applicant or inventor

Validation of the patent

Extension of the patent

Language of the procedure

International searching authority