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: EP3918754

EP3918754 - SYSTEM AND METHOD FOR A SINGLE LOGICAL IP SUBNET ACROSS MULTIPLE INDEPENDENT LAYER 2 (L2) SUBNETS IN A HIGH PERFORMANCE COMPUTING ENVIRONMENT [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  27.06.2025
Database last updated on 14.03.2026
FormerThe patent has been granted
Status updated on  19.07.2024
FormerGrant of patent is intended
Status updated on  26.03.2024
FormerExamination is in progress
Status updated on  11.11.2022
FormerRequest for examination was made
Status updated on  05.11.2021
FormerThe international publication has been made
Status updated on  08.08.2020
Formerunknown
Status updated on  13.03.2020
Most recent event   Tooltip23.01.2026Lapse of the patent in a contracting state
New state(s): IE		published on 25.02.2026  [2026/09]
Applicant(s)For all designated states
Oracle International Corporation
500 Oracle Parkway
M/S 5OP7
Redwood Shores, California 94065 / US
[2021/49]
Inventor(s)01 / JOHNSEN, Bjørn Dag
Vilberggrenda 9
0687 Oslo / NO
02 / SIDDABATHUNI, Ajoy
500 Oracle Parkway, M/S 5OP7
Redwood Shores, California 94065 / US
03 / HODOBA, Predrag
Torpstubben 97
1389 Heggedal / NO
 [2024/34]
Former [2021/49]01 / JOHNSEN, Bjørn Dag
0687 Oslo / NO
02 / SIDDABATHUNI, Ajoy
Redwood Shores, California 94065 / US
03 / HODOBA, Predrag
1389 Heggedal / NO
Representative(s)D Young & Co LLP
3 Noble Street
London EC2V 7BQ / GB
[2024/34]
Former [2021/49]D Young & Co LLP
120 Holborn
London EC1N 2DY / GB
Application number, filing date20707985.628.01.2020
[2021/49]
WO2020US15470
Priority number, dateUS20191626136229.01.2019         Original published format: US201916261362
US20191626707204.02.2019         Original published format: US201916267072
US20191654733221.08.2019         Original published format: US201916547332
US20191654733521.08.2019         Original published format: US201916547335
US20191654732921.08.2019         Original published format: US201916547329
[2021/49]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020160034
Date:06.08.2020
Language:EN
[2020/32]
Type: A1 Application with search report 
No.:EP3918754
Date:08.12.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 06.08.2020 takes the place of the publication of the European patent application.
[2021/49]
Type: B1 Patent specification 
No.:EP3918754
Date:21.08.2024
Language:EN
[2024/34]
Search report(s)International search report - published on:EP06.08.2020
ClassificationIPC:H04L41/0893, H04L41/082
[2024/14]
CPC:
H04L41/0893 (EP,US); G06F15/161 (EP); G06F9/5072 (EP);
H04L41/082 (EP); H04L65/1045 (EP); H04L65/1073 (EP);
H04L65/403 (EP,US); H04L65/611 (EP,US); H04L65/765 (EP) (-)
Former IPC [2021/49]H04L12/24, H04L29/06
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 [2021/49]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:SYSTEM UND VERFAHREN FÜR EIN EINZIGES LOGISCHES IP-SUBNETZ ÜBER MEHRERE UNABHÄNGIGE LAYER 2 (L2)-SUBNETZE IN EINER HOCHLEISTUNGSRECHNERUMGEBUNG[2021/49]
English:SYSTEM AND METHOD FOR A SINGLE LOGICAL IP SUBNET ACROSS MULTIPLE INDEPENDENT LAYER 2 (L2) SUBNETS IN A HIGH PERFORMANCE COMPUTING ENVIRONMENT[2021/49]
French:SYSTÈME ET PROCÉDÉ POUR UN SOUS-RÉSEAU IP LOGIQUE UNIQUE ENTRE DE MULTIPLES SOUS-RÉSEAUX DE COUCHE 2 (L2) INDÉPENDANTS DANS UN ENVIRONNEMENT INFORMATIQUE À HAUTE PERFORMANCE[2021/49]
Entry into regional phase27.07.2021National basic fee paid 
27.07.2021Designation fee(s) paid 
27.07.2021Examination fee paid 
Examination procedure27.07.2021Examination requested  [2021/49]
27.07.2021Date on which the examining division has become responsible
18.01.2022Amendment by applicant (claims and/or description)
10.11.2022Despatch of a communication from the examining division (Time limit: M04)
08.02.2023Reply to a communication from the examining division
27.03.2024Communication of intention to grant the patent
04.07.2024Receipt of the translation of the claim(s)
13.07.2024Fee for grant paid
13.07.2024Fee for publishing/printing paid
Opposition(s)22.05.2025No opposition filed within time limit [2025/31]
Fees paidRenewal fee
20.12.2021Renewal fee patent year 03
14.12.2022Renewal fee patent year 04
14.12.2023Renewal fee patent year 05
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  TooltipAT21.08.2024
BG21.08.2024
CZ21.08.2024
DK21.08.2024
EE21.08.2024
ES21.08.2024
FI21.08.2024
HR21.08.2024
IT21.08.2024
LV21.08.2024
MC21.08.2024
NL21.08.2024
PL21.08.2024
RO21.08.2024
SE21.08.2024
SK21.08.2024
SM21.08.2024
NO21.11.2024
RS21.11.2024
GR22.11.2024
IS21.12.2024
PT23.12.2024
IE28.01.2025
LU28.01.2025
BE31.01.2025
CH31.01.2025
FR31.01.2025
[2026/09]
Former [2025/48]AT21.08.2024
BG21.08.2024
CZ21.08.2024
DK21.08.2024
EE21.08.2024
ES21.08.2024
FI21.08.2024
HR21.08.2024
IT21.08.2024
LV21.08.2024
MC21.08.2024
NL21.08.2024
PL21.08.2024
RO21.08.2024
SE21.08.2024
SK21.08.2024
SM21.08.2024
NO21.11.2024
RS21.11.2024
GR22.11.2024
IS21.12.2024
PT23.12.2024
LU28.01.2025
BE31.01.2025
CH31.01.2025
FR31.01.2025
Former [2025/47]AT21.08.2024
BG21.08.2024
CZ21.08.2024
DK21.08.2024
EE21.08.2024
ES21.08.2024
FI21.08.2024
HR21.08.2024
IT21.08.2024
LV21.08.2024
MC21.08.2024
NL21.08.2024
PL21.08.2024
RO21.08.2024
SE21.08.2024
SK21.08.2024
SM21.08.2024
NO21.11.2024
RS21.11.2024
GR22.11.2024
IS21.12.2024
PT23.12.2024
LU28.01.2025
BE31.01.2025
Former [2025/43]AT21.08.2024
BG21.08.2024
CZ21.08.2024
DK21.08.2024
EE21.08.2024
ES21.08.2024
FI21.08.2024
HR21.08.2024
IT21.08.2024
LV21.08.2024
MC21.08.2024
NL21.08.2024
PL21.08.2024
RO21.08.2024
SE21.08.2024
SK21.08.2024
SM21.08.2024
NO21.11.2024
RS21.11.2024
GR22.11.2024
IS21.12.2024
PT23.12.2024
LU28.01.2025
Former [2025/42]AT21.08.2024
BG21.08.2024
CZ21.08.2024
DK21.08.2024
EE21.08.2024
ES21.08.2024
FI21.08.2024
HR21.08.2024
IT21.08.2024
LV21.08.2024
NL21.08.2024
PL21.08.2024
RO21.08.2024
SE21.08.2024
SK21.08.2024
SM21.08.2024
NO21.11.2024
RS21.11.2024
GR22.11.2024
IS21.12.2024
PT23.12.2024
Former [2025/23]AT21.08.2024
BG21.08.2024
CZ21.08.2024
DK21.08.2024
EE21.08.2024
ES21.08.2024
FI21.08.2024
HR21.08.2024
IT21.08.2024
LV21.08.2024
NL21.08.2024
PL21.08.2024
RO21.08.2024
SK21.08.2024
SM21.08.2024
NO21.11.2024
RS21.11.2024
GR22.11.2024
IS21.12.2024
PT23.12.2024
Former [2025/22]AT21.08.2024
BG21.08.2024
DK21.08.2024
EE21.08.2024
ES21.08.2024
FI21.08.2024
HR21.08.2024
LV21.08.2024
NL21.08.2024
PL21.08.2024
RO21.08.2024
SM21.08.2024
NO21.11.2024
RS21.11.2024
GR22.11.2024
IS21.12.2024
PT23.12.2024
Former [2025/21]AT21.08.2024
BG21.08.2024
DK21.08.2024
ES21.08.2024
FI21.08.2024
HR21.08.2024
LV21.08.2024
NL21.08.2024
PL21.08.2024
RO21.08.2024
SM21.08.2024
NO21.11.2024
RS21.11.2024
GR22.11.2024
IS21.12.2024
PT23.12.2024
Former [2025/10]AT21.08.2024
BG21.08.2024
ES21.08.2024
FI21.08.2024
HR21.08.2024
LV21.08.2024
NL21.08.2024
PL21.08.2024
NO21.11.2024
RS21.11.2024
GR22.11.2024
IS21.12.2024
PT23.12.2024
Former [2025/09]AT21.08.2024
BG21.08.2024
FI21.08.2024
LV21.08.2024
NL21.08.2024
PL21.08.2024
NO21.11.2024
GR22.11.2024
IS21.12.2024
PT23.12.2024
Former [2025/08]FI21.08.2024
NL21.08.2024
PL21.08.2024
NO21.11.2024
GR22.11.2024
PT23.12.2024
Cited inInternational search[XI] US2015098466  (HARAMATY ZACHY et al.)
 [A] US2018278491  (JOHNSEN BJØRN DAG et al.)
 [A] US2009213753  (BURROW STEPHEN R et al.)
by applicantUS201762552818
 US201862679465
 US201816115138
 US201862679469
 US201862679478
 US201862679491
 US201715416899
 US7991006
   INFINIBAND TRADE ASSOCIATION ARCHITECTURE SPECIFICATION, vol. 1, March 2015 (2015-03-01), Retrieved from the Internet
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.