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Extract from the Register of European Patents

EP About this file: EP3731754

EP3731754 - CLOSED LOOP DIALYSIS TREATMENT USING ADAPTIVE ULTRAFILTRATION RATES [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  02.10.2020
Database last updated on 21.03.2026
FormerThe international publication has been made
Status updated on  06.07.2019
Most recent event   Tooltip18.12.2025New entry: Renewal fee paid 
Applicant(s)For all designated states
Fresenius Medical Care Holdings, Inc.
920 Winter Street
Waltham, MA 02451 / US
[2020/45]
Inventor(s)01 / BARRETT, Louis LeeGrande
595 N 2200 W
West Point, Utah 84015 / US
02 / CHHI, Ken
4684 Frontenac Park Court
Fremont, California 94538 / US
03 / YUDS, David
115 Dracut Road
Hudson, New Hampshire 03051 / US
04 / MERICS, Tom
5465 Field Brook Court
Antioch, California 94531 / US
05 / DOWD, Joan
4040 Nelson Avenue
Concord, California 94520 / US
 [2020/45]
Representative(s)Freischem & Partner Patentanwälte mbB
Salierring 47-53
50677 Köln / DE
[2020/45]
Application number, filing date18896464.721.12.2018
[2020/45]
WO2018US67049
Priority number, dateUS201762612037P29.12.2017         Original published format: US 201762612037 P
US20181592776921.03.2018         Original published format: US201815927769
[2020/45]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019133472
Date:04.07.2019
Language:EN
[2019/27]
Type: A1 Application with search report 
No.:EP3731754
Date:04.11.2020
Language:EN
The application published by WIPO in one of the EPO official languages on 04.07.2019 takes the place of the publication of the European patent application.
[2020/45]
Search report(s)International search report - published on:US04.07.2019
(Supplementary) European search report - dispatched on:EP17.08.2021
ClassificationIPC:A61B5/145, A61M1/36, B01D61/32, A61B5/0295, A61B5/00, A61M1/16, A61M1/34
[2021/37]
CPC:
A61B5/4836 (EP,US); A61B5/0295 (EP,US); A61B5/14535 (EP,US);
A61B5/6866 (EP,US); A61M1/1603 (EP,US); A61M1/3403 (EP,US);
A61M1/3609 (EP); A61B5/14542 (EP,US) (-)
Former IPC [2020/45]A61B5/145, A61M1/36, B01D61/32
Designated contracting statesAL,   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 [2020/45]
TitleGerman:DIALYSEBEHANDLUNG MIT GESCHLOSSENEM KREISLAUF UNTER VERWENDUNG ADAPTIVER ULTRAFILTRATIONSRATEN[2020/45]
English:CLOSED LOOP DIALYSIS TREATMENT USING ADAPTIVE ULTRAFILTRATION RATES[2020/45]
French:TRAITEMENT DE DIALYSE EN BOUCLE FERMÉE UTILISANT DES DÉBITS D'ULTRAFILTRATION ADAPTATIFS[2020/45]
Entry into regional phase29.07.2020National basic fee paid 
29.07.2020Search fee paid 
29.07.2020Designation fee(s) paid 
29.07.2020Examination fee paid 
Examination procedure29.07.2020Examination requested  [2020/45]
11.03.2022Amendment by applicant (claims and/or description)
Fees paidRenewal fee
17.12.2020Renewal fee patent year 03
16.12.2021Renewal fee patent year 04
20.12.2022Renewal fee patent year 05
19.12.2023Renewal fee patent year 06
19.12.2024Renewal fee patent year 07
17.12.2025Renewal fee patent year 08
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search  No further relevant documents disclosed
International search[X] US2004057037  (OHISHI TAKAYUKI et al.) [X] 1-6 * ; figures 4, 7, 10; paragraphs [0041]-[0043], [0054]-[0078], [0094]-[0097], [0106]-[0110] *
 [A] US2002085951  (GELFAND MARK et al.) [A] 7-20 * ; figure 3; paragraphs [0026], [0055]-[0060] *
 [A] US2007108129  (MORI YOSHIHIRO et al.) [A] 7-20 * ; paragraph [0045], [0054]-[0058], [0081 ]-[0083] *
 [A] US2017239409  (DE LOS REYES V AURELIO A et al.) [A] 1-20 * ; entire document *
 [A] US2013226065  (WOLFF HENRIK et al.) [A] 1-20 * ; entire document *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.