Extract from the Register of European Patents

EP About this file: EP3708985

EP3708985 - ELECTRONIC HEATING COST DISTRIBUTOR AND METHOD FOR OPERATING THE SAME [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  23.01.2026
Database last updated on 07.03.2026
FormerThe patent has been granted
Status updated on  17.11.2023
FormerGrant of patent is intended
Status updated on  06.08.2023
FormerExamination is in progress
Status updated on  30.09.2022
FormerRequest for examination was made
Status updated on  19.03.2021
FormerThe application has been published
Status updated on  14.08.2020
Most recent event   Tooltip23.01.2026Revocation of patentpublished on 25.02.2026  [2026/09]
Applicant(s)For all designated states
QUNDIS GmbH
Sonnentor 2
99098 Erfurt / DE
[2020/38]
Inventor(s)01 / KUHN, Jens Dr.-Ing.
Berggrabenweg 49
98693 Ilmenau / DE
 [2020/38]
Representative(s)Liedtke & Partner Patentanwälte
Gerhart-Hauptmann-Straße 10/11
99096 Erfurt / DE
[2020/38]
Application number, filing date20161211.605.03.2020
[2020/38]
Priority number, dateDE20191010609611.03.2019         Original published format: DE102019106096
[2020/38]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP3708985
Date:16.09.2020
Language:DE
[2020/38]
Type: B1 Patent specification 
No.:EP3708985
Date:20.12.2023
Language:DE
[2023/51]
Search report(s)(Supplementary) European search report - dispatched on:EP14.07.2020
ClassificationIPC:G01K17/08, G01N25/66, G01W1/17
[2020/38]
CPC:
G01K17/08 (EP); G01N25/66 (EP); G01W1/17 (EP)
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 [2021/16]
Former [2020/38]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 
TitleGerman:ELEKTRONISCHER HEIZKOSTENVERTEILER UND VERFAHREN ZU DESSEN BETRIEB[2020/38]
English:ELECTRONIC HEATING COST DISTRIBUTOR AND METHOD FOR OPERATING THE SAME[2020/38]
French:RÉPARTITEUR ÉLECTRONIQUE DE FRAIS DE CHAUFFAGE ET SON PROCÉDÉ DE FONCTIONNEMENT[2020/38]
Examination procedure11.03.2021Amendment by applicant (claims and/or description)
11.03.2021Examination requested  [2021/16]
11.03.2021Date on which the examining division has become responsible
30.09.2022Despatch of a communication from the examining division (Time limit: M04)
26.01.2023Reply to a communication from the examining division
07.08.2023Communication of intention to grant the patent
15.11.2023Fee for grant paid
15.11.2023Fee for publishing/printing paid
15.11.2023Receipt of the translation of the claim(s)
Opposition(s)Opponent(s)01  20.09.2024  26.09.2024  ADMISSIBLE
Techem Energy Services GmbH
Hauptstrasse 89
65760 Eschborn / DE
Opponent's representative
Keil & Schaafhausen Patentanwälte PartGmbB
Bockenheimer Landstraße 25
60325 Frankfurt am Main / DE
 [2024/44]
07.10.2024Invitation to proprietor to file observations on the notice of opposition
22.10.2025Legal effect of revocation of patent [2026/09]
22.10.2025Despatch of communication that the patent will be revoked
Fees paidRenewal fee
24.02.2022Renewal fee patent year 03
27.02.2023Renewal fee patent year 04
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Lapses during opposition  TooltipCY05.03.2020
HU05.03.2020
CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
TR20.12.2023
IE05.03.2024
LU05.03.2024
BG20.03.2024
GB20.03.2024
NO20.03.2024
GR21.03.2024
BE31.03.2024
IS20.04.2024
PT22.04.2024
[2026/05]
Former [2025/41]CY05.03.2020
HU05.03.2020
CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
IE05.03.2024
LU05.03.2024
BG20.03.2024
GB20.03.2024
NO20.03.2024
GR21.03.2024
BE31.03.2024
IS20.04.2024
PT22.04.2024
Former [2025/37]CY05.03.2020
CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
IE05.03.2024
LU05.03.2024
BG20.03.2024
GB20.03.2024
NO20.03.2024
GR21.03.2024
BE31.03.2024
IS20.04.2024
PT22.04.2024
Former [2025/10]CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
IE05.03.2024
LU05.03.2024
BG20.03.2024
GB20.03.2024
NO20.03.2024
GR21.03.2024
BE31.03.2024
IS20.04.2024
PT22.04.2024
Former [2025/09]CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
LU05.03.2024
BG20.03.2024
GB20.03.2024
NO20.03.2024
GR21.03.2024
BE31.03.2024
IS20.04.2024
PT22.04.2024
Former [2025/08]CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
LU05.03.2024
BG20.03.2024
NO20.03.2024
GR21.03.2024
BE31.03.2024
IS20.04.2024
PT22.04.2024
Former [2024/52]CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
MC20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
LU05.03.2024
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
Former [2024/49]CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SI20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
Former [2024/47]CZ20.12.2023
DK20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
Former [2024/36]CZ20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
Former [2024/35]CZ20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
Former [2024/34]EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RS20.12.2023
SE20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
Former [2024/33]ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RS20.12.2023
SE20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
Former [2024/32]ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RS20.12.2023
SE20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
Former [2024/26]ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RS20.12.2023
SE20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
Former [2024/25]ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
RS20.12.2023
SE20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
Former [2024/21]FI20.12.2023
LT20.12.2023
BG20.03.2024
GR21.03.2024
Former [2024/20]GR21.03.2024
Documents cited:Search[XI] DE102008061087  (METRONA WAERMEMESSER UNION et al.)
 [A] EP2341326  (QUNDIS GMBH et al.)
 [A] DE202007007255  (PAGER DIETMAR et al.)
by applicantEP1746556
OppositionEP3336500
 CH638308
 DE19640900
 DE202007007255
 DE102017113155
 EP1746556
 DE102008061087
 DE3330941
 DE3335226
 DE102008029145
 WO2018177745
 DE202016101631
 DE29710249
 EP1588873
 EP1925924
 DE102004023989
 EP2341326
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