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Extract from the Register of European Patents

EP About this file: EP3407931

EP3407931 - METHOD FOR REGULATING A HEATING DEVICE FOR HEATING A FLUID FOR A DIALYSIS LIQUID CIRCUIT, CONTROL DEVICE, AND BLOOD TREATMENT DEVICE [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  06.08.2021
Database last updated on 20.03.2026
FormerGrant of patent is intended
Status updated on  09.04.2021
FormerExamination is in progress
Status updated on  04.02.2021
FormerRequest for examination was made
Status updated on  29.01.2021
FormerGrant of patent is intended
Status updated on  30.09.2020
FormerRequest for examination was made
Status updated on  02.11.2018
FormerThe international publication has been made
Status updated on  04.08.2017
Formerunknown
Status updated on  11.02.2017
Most recent event   Tooltip23.01.2026New entry: Decision (+date) in appeal procedure 
Applicant(s)For all designated states
Fresenius Medical Care Deutschland GmbH
Else-Kröner-Straße 1
61352 Bad Homburg / DE
[2026/04]
Former [2018/49]For all designated states
Fresenius Medical Care Deutschland GmbH
Else-Kroener-Straße 1
61352 Bad Homburg / DE
Inventor(s)01 / KLÖFFEL, Peter
Oberweg 35
97720 Nüdlingen / DE
02 / ENDER, Helmuth
Hauptstraße 19
97475 Zeil am Main / DE
03 / SCHLERETH, Michael
Gorch-Fock-Straße 36
97421 Schweinfurt / DE
04 / BARDORZ, Christoph
Friedhofstraße 24b
97228 Rottendorf / DE
05 / EHRENBERGER, Walter
Rügshöferstraße 11
97447 Gerolzhofen / DE
 [2018/49]
Representative(s)Bobbert & Partner Patentanwälte PartmbB
Postfach 1252
85422 Erding / DE
[2018/49]
Application number, filing date17702596.227.01.2017
[2018/49]
WO2017EP51848
Priority number, dateDE20161010164829.01.2016         Original published format: DE102016101648
[2018/49]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO2017129791
Date:03.08.2017
Language:DE
[2017/31]
Type: A1 Application with search report 
No.:EP3407931
Date:05.12.2018
Language:DE
The application published by WIPO in one of the EPO official languages on 03.08.2017 takes the place of the publication of the European patent application.
[2018/49]
Type: B1 Patent specification 
No.:EP3407931
Date:08.09.2021
Language:DE
[2021/36]
Search report(s)International search report - published on:EP03.08.2017
ClassificationIPC:A61M1/16
[2018/49]
CPC:
A61M1/166 (EP); A61M1/1635 (US); A61M1/1658 (EP);
A61M1/1662 (EP,US); A61M1/1686 (EP); A61M2205/3306 (US);
A61M2205/3389 (EP,US) (-)
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 [2018/49]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:VERFAHREN ZUM REGELN EINER HEIZVORRICHTUNG ZUM ERWÄRMEN EINES FLUIDS FÜR EINEN DIALYSIERFLÜSSIGKEITSKREISLAUF, STEUERVORRICHTUNG SOWIE BLUTBEHANDLUNGSVORRICHTUNG[2018/49]
English:METHOD FOR REGULATING A HEATING DEVICE FOR HEATING A FLUID FOR A DIALYSIS LIQUID CIRCUIT, CONTROL DEVICE, AND BLOOD TREATMENT DEVICE[2018/49]
French:PROCÉDÉ PERMETTANT DE RÉGLER UN DISPOSITIF DE CHAUFFAGE POUR LE CHAUFFAGE D'UN FLUIDE DESTINÉ À UN CIRCUIT DE LIQUIDE DE DIALYSE, DISPOSITIF DE COMMANDE ET DISPOSITIF DE TRAITEMENT SANGUIN[2018/49]
Entry into regional phase29.08.2018National basic fee paid 
29.08.2018Designation fee(s) paid 
29.08.2018Examination fee paid 
Examination procedure29.08.2018Examination requested  [2018/49]
29.08.2018Date on which the examining division has become responsible
13.03.2019Amendment by applicant (claims and/or description)
01.10.2020Communication of intention to grant the patent
28.01.2021Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
28.01.2021Fee for grant paid
28.01.2021Fee for publishing/printing paid
03.02.2021Despatch of a communication from the examining division (Time limit: M02)
12.02.2021Reply to a communication from the examining division
16.04.2021Communication of intention to grant the patent
03.08.2021Receipt of the translation of the claim(s)
Opposition(s)Opponent(s)01  07.06.2022  09.06.2022  ADMISSIBLE
Maiwald GmbH
Elisenhof, Elisenstrasse 3
80335 München / DE
Opponent's representative
Maiwald GmbH
Elisenhof
Elisenstraße 3
80335 München / DE
 [N/P]
Former [2022/28]
Opponent(s)01  07.06.2022  09.06.2022  ADMISSIBLE
Maiwald Patent- und Rechtsanwaltsgesellschaft mbH
Elisenhof, Elisenstrasse 3
80335 München / DE
Opponent's representative
Maiwald Patent- und Rechtsanwaltsgesellschaft mbH
Elisenhof
Elisenstraße 3
80335 München / DE
11.08.2022Invitation to proprietor to file observations on the notice of opposition
07.12.2022Reply of patent proprietor to notice(s) of opposition
06.11.2023Date of oral proceedings
29.11.2023Despatch of interlocutory decision in opposition
29.11.2023Despatch of minutes of oral proceedings
Appeal following opposition29.01.2024Appeal received No.  T0145/24
29.01.2024Payment of appeal fee
28.03.2024Statement of grounds filed
16.01.2026Result of appeal procedure: maintenance in amended form
16.03.2026Despatch of the decision of the Board of Appeal
25.01.2024Appeal received No.  T0145/24
25.01.2024Payment of appeal fee
27.03.2024Statement of grounds filed
16.01.2026Result of appeal procedure: maintenance in amended form
16.03.2026Despatch of the decision of the Board of Appeal
16.01.2026Date of oral proceedings
Fees paidRenewal fee
24.01.2019Renewal fee patent year 03
21.01.2020Renewal fee patent year 04
20.01.2021Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipHU27.01.2017
AL08.09.2021
CY08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
MK08.09.2021
MT08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
TR08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
AT27.01.2022
GB27.01.2022
IE27.01.2022
LU27.01.2022
BE31.01.2022
CH31.01.2022
LI31.01.2022
[2026/04]
Former [2024/42]HU27.01.2017
AL08.09.2021
CY08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
MK08.09.2021
MT08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
AT27.01.2022
GB27.01.2022
IE27.01.2022
LU27.01.2022
BE31.01.2022
CH31.01.2022
LI31.01.2022
Former [2024/22]HU27.01.2017
AL08.09.2021
CY08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
MK08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
AT27.01.2022
GB27.01.2022
IE27.01.2022
LU27.01.2022
BE31.01.2022
CH31.01.2022
LI31.01.2022
Former [2024/20]HU27.01.2017
AL08.09.2021
CY08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
AT27.01.2022
GB27.01.2022
IE27.01.2022
LU27.01.2022
BE31.01.2022
CH31.01.2022
LI31.01.2022
Former [2024/18]HU27.01.2017
AL08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
AT27.01.2022
GB27.01.2022
IE27.01.2022
LU27.01.2022
BE31.01.2022
CH31.01.2022
LI31.01.2022
Former [2023/22]AL08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
AT27.01.2022
GB27.01.2022
IE27.01.2022
LU27.01.2022
BE31.01.2022
CH31.01.2022
LI31.01.2022
Former [2023/10]AL08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
GB27.01.2022
IE27.01.2022
LU27.01.2022
BE31.01.2022
CH31.01.2022
LI31.01.2022
Former [2023/09]AL08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
GB27.01.2022
IE27.01.2022
LU27.01.2022
BE31.01.2022
CH31.01.2022
LI31.01.2022
Former [2023/03]AL08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
GB27.01.2022
LU27.01.2022
BE31.01.2022
CH31.01.2022
LI31.01.2022
Former [2023/01]AL08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
GB27.01.2022
LU27.01.2022
BE31.01.2022
Former [2022/47]AL08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
GB27.01.2022
LU27.01.2022
Former [2022/46]AL08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
LU27.01.2022
Former [2022/39]AL08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
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RS08.09.2021
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SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
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NL08.09.2021
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SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
Former [2022/25]CZ08.09.2021
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BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
Former [2022/24]CZ08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SK08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
Former [2022/23]CZ08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
PL08.09.2021
RS08.09.2021
SE08.09.2021
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BG08.12.2021
NO08.12.2021
GR09.12.2021
PT10.01.2022
Former [2022/10]ES08.09.2021
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Former [2022/09]ES08.09.2021
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BG08.12.2021
NO08.12.2021
Former [2022/08]ES08.09.2021
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Former [2022/07]LT08.09.2021
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Cited inInternational search[XI] US4769151  (SHOULDICE DAVID R et al.) [X] 1,5,7,8,10-17 * columns 1-3; figure 1 *[I] 2-4,6,9
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 [I] US4718022  (COCHRAN MICHAEL J et al.) [I] 1-17 * column 5, lines 6-36 * * column 10, lines 15-57 *
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   GNTHER MEYER: "AKUTE UND CHRONISCHE HMODIALYSE", 1999, pages: 48 - 51, 162, 163, 166, XP055933174
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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.