blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

Italy joins the Federated Register

Click here for more information on the Federated Register.

2025-06-12

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register User Manual
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP2814129

EP2814129 - Method and means for complex, universal earth fault protection in power high and medium voltage system [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  12.07.2024
Database last updated on 19.03.2026
FormerThe patent has been granted
Status updated on  17.09.2021
FormerGrant of patent is intended
Status updated on  19.07.2021
FormerExamination is in progress
Status updated on  15.06.2021
FormerGrant of patent is intended
Status updated on  22.02.2021
FormerExamination is in progress
Status updated on  20.04.2018
Most recent event   Tooltip19.12.2025Lapse of the patent in a contracting state
New state(s): TR		published on 21.01.2026  [2026/04]
Applicant(s)For all designated states
ABB Schweiz AG
Bruggerstrasse 66
5400 Baden / CH
[2021/42]
Former [2016/42]For all designated states
ABB Schweiz AG
Brown Boveri Strasse 6
5400 Baden / CH
Former [2014/51]For all designated states
ABB Technology AG
Affolternstrasse 44
8050 Zürich / CH
Inventor(s)01 / Kalina, Emil
Strnadova 9
628 00 Brno / CZ
02 / Prokop, Vaclav
Prizrenicka 1030
664 42 Modrice / CZ
 [2014/51]
Representative(s)Maiwald GmbH
Grünstraße 25
40212 Düsseldorf / DE
[2024/33]
Former [2021/42]Maiwald Patent- und Rechtsanwaltsgesellschaft mbH
Grünstraße 25
40212 Düsseldorf / DE
Former [2014/51]Schmidt, Karl Michael
ABB AG GF-IP Oberhausener Strasse 33
40472 Ratingen / DE
Application number, filing date13002965.510.06.2013
[2014/51]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP2814129
Date:17.12.2014
Language:EN
[2014/51]
Type: B1 Patent specification 
No.:EP2814129
Date:20.10.2021
Language:EN
[2021/42]
Type: B2 New European patent specification 
No.:EP2814129
Date:14.08.2024
Language:EN
[2024/33]
Search report(s)(Supplementary) European search report - dispatched on:EP09.04.2014
ClassificationIPC:H02H3/16, H02H3/33
[2014/51]
CPC:
H02H3/165 (EP,US); H02H7/222 (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 [2015/31]
Former [2014/51]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 
Extension statesBANot yet paid
MENot yet paid
TitleGerman:Verfahren und Vorrichtung für komplexen, universellen Erdungsfehlerschutz in Hoch- und Mittelspannungssystemen[2014/51]
English:Method and means for complex, universal earth fault protection in power high and medium voltage system[2014/51]
French:Procédé et supports pour protection contre les défauts de terre universels complexes dans un système à haute et moyenne tension[2014/51]
Examination procedure15.06.2015Examination requested  [2015/31]
30.06.2015Amendment by applicant (claims and/or description)
18.04.2018Despatch of a communication from the examining division (Time limit: M06)
22.11.2018Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
30.01.2019Reply to a communication from the examining division
04.11.2019Despatch of a communication from the examining division (Time limit: M04)
19.02.2020Reply to a communication from the examining division
23.02.2021Communication of intention to grant the patent
15.06.2021Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
20.07.2021Communication of intention to grant the patent
09.09.2021Fee for grant paid
09.09.2021Fee for publishing/printing paid
09.09.2021Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  18.04.2018
Opposition(s)Opponent(s)01  07.04.2022  11.04.2022  ADMISSIBLE
Siemens Aktiengesellschaft
Werner-von-Siemens-Straße 1
80333 München / DE
 [2024/05]
Former [2023/10]
Opponent(s)01  07.04.2022  11.04.2022  ADMISSIBLE
Siemens Aktiengesellschaft
Werner-von-Siemens-Straße 1
80333 München / DE
Opponent's representative
Siemens Patent Attorneys
Postfach 22 16 34
80506 München / DE
Former [2022/19]
Opponent(s)01  07.04.2022   
Siemens Aktiengesellschaft
Werner-von-Siemens-Straße 1
80333 München / DE
03.08.2022Invitation to proprietor to file observations on the notice of opposition
16.11.2022Reply of patent proprietor to notice(s) of opposition
06.12.2023Legal effect of interlocutory decision in opposition
06.12.2023Date of oral proceedings
04.01.2024Despatch of interlocutory decision in opposition
04.01.2024Despatch of minutes of oral proceedings
08.05.2024Despatch of communication that the patent will be maintained as amended
Request for further processing for:The application is deemed to be withdrawn due to failure to reply to the examination report
30.01.2019Request for further processing filed
30.01.2019Full payment received (date of receipt of payment)
Request granted
07.02.2019Decision despatched
The application is deemed to be withdrawn due to failure to reply to the Extended European Search Report/Written Opinion of the International Searching Authority/International Preliminary Examination Report/Supplementary international search report/Supplementary European search report
15.07.2015Request for further processing filed
15.07.2015Full payment received (date of receipt of payment)
Request granted
29.07.2015Decision despatched
Fees paidRenewal fee
19.06.2015Renewal fee patent year 03
27.06.2016Renewal fee patent year 04
27.06.2017Renewal fee patent year 05
27.06.2018Renewal fee patent year 06
25.06.2019Renewal fee patent year 07
24.06.2020Renewal fee patent year 08
22.06.2021Renewal fee patent year 09
Opt-out from the exclusive  Tooltip
competence of the Unified
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  TooltipHU10.06.2013
AL20.10.2021
AT20.10.2021
CY20.10.2021
DK20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
MC20.10.2021
MK20.10.2021
MT20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SI20.10.2021
SK20.10.2021
SM20.10.2021
TR20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
IE10.06.2022
LU10.06.2022
BE30.06.2022
CH30.06.2022
LI30.06.2022
[2026/04]
Former [2024/41]HU10.06.2013
AL20.10.2021
AT20.10.2021
CY20.10.2021
DK20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
MC20.10.2021
MK20.10.2021
MT20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SI20.10.2021
SK20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
IE10.06.2022
LU10.06.2022
BE30.06.2022
CH30.06.2022
LI30.06.2022
Former [2024/22]HU10.06.2013
AL20.10.2021
AT20.10.2021
CY20.10.2021
DK20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
MC20.10.2021
MK20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SI20.10.2021
SK20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
IE10.06.2022
LU10.06.2022
BE30.06.2022
CH30.06.2022
LI30.06.2022
Former [2024/20]HU10.06.2013
AL20.10.2021
AT20.10.2021
CY20.10.2021
DK20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
MC20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SI20.10.2021
SK20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
IE10.06.2022
LU10.06.2022
BE30.06.2022
CH30.06.2022
LI30.06.2022
Former [2024/18]HU10.06.2013
AL20.10.2021
AT20.10.2021
DK20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
MC20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SI20.10.2021
SK20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
IE10.06.2022
LU10.06.2022
BE30.06.2022
CH30.06.2022
LI30.06.2022
Former [2023/25]AL20.10.2021
AT20.10.2021
DK20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
MC20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SI20.10.2021
SK20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
IE10.06.2022
LU10.06.2022
BE30.06.2022
CH30.06.2022
LI30.06.2022
Former [2023/21]AL20.10.2021
AT20.10.2021
DK20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
MC20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SI20.10.2021
SK20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
IE10.06.2022
LU10.06.2022
CH30.06.2022
LI30.06.2022
Former [2023/20]AL20.10.2021
AT20.10.2021
DK20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
MC20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SI20.10.2021
SK20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
IE10.06.2022
Former [2023/08]AL20.10.2021
AT20.10.2021
DK20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
MC20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SI20.10.2021
SK20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
Former [2023/01]AL20.10.2021
AT20.10.2021
DK20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SI20.10.2021
SK20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
Former [2022/49]AL20.10.2021
AT20.10.2021
DK20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SK20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
Former [2022/35]AT20.10.2021
DK20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SK20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
Former [2022/34]AT20.10.2021
EE20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
NL20.10.2021
PL20.10.2021
RO20.10.2021
RS20.10.2021
SE20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
Former [2022/33]AT20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
NL20.10.2021
PL20.10.2021
RS20.10.2021
SE20.10.2021
SM20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
Former [2022/25]AT20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
NL20.10.2021
PL20.10.2021
RS20.10.2021
SE20.10.2021
BG20.01.2022
NO20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
Former [2022/24]AT20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
NL20.10.2021
PL20.10.2021
RS20.10.2021
SE20.10.2021
BG20.01.2022
GR21.01.2022
IS20.02.2022
PT21.02.2022
Former [2022/23]AT20.10.2021
FI20.10.2021
HR20.10.2021
LT20.10.2021
LV20.10.2021
PL20.10.2021
RS20.10.2021
BG20.01.2022
PT21.02.2022
Former [2022/22]AT20.10.2021
FI20.10.2021
LT20.10.2021
RS20.10.2021
BG20.01.2022
Former [2022/21]AT20.10.2021
RS20.10.2021
BG20.01.2022
Former [2022/19]BG20.01.2022
Documents cited:Search[X] WO2004008600  (MC GRAW EDISON CO et al.) * , im Folgenden D2; *
 [A] US2001029433  (SCOTT GARY W et al.) * , im Folgenden D3; *
OppositionUS2011043190
 US2011050154
 US2011043190
 US2011050154
   ABB: "Feeder Protection REF601 Application Manual", ABB APPLICATION MANUAL, 27 March 2012 (2012-03-27), pages 1 - 68, XP055914272 * , im Folgenden D1; *
   LJUBOMIR A. KOJOVIC ET AL., PRACTICAL ASPECTS OF ROGOWSKI COIL APPLICATIONS TO RELAYING, September 2010 (2010-09-01), XP055112118 * im Folgenden D4; *
   DVORAK MILOS: "PPMV Instrument transformers", ABB PRODUCT PRESENTATION, 20 January 2008 (2008-01-20), pages 1 - 80, XP055914266 * im Folgenden D5; *
   ABB: "Feeder Protection REF601 Application Manual", ABB APPLICATION MANUAL, 27 March 2012 (2012-03-27), pages 1 - 68, XP055914272
   LJUBOMIR A. KOJOVIC ET AL., PRACTICAL ASPECTS OF ROGOWSKI COIL APPLICATIONS TO RELAYING, September 2010 (2010-09-01) * im Folgenden D4; *
   DVORAK MILOS: "PPMV Instrument transformers", ABB PRODUCT PRESENTATION, 20 January 2008 (2008-01-20), pages 1 - 80, XP055914266 * im Folgenden D5; *
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.