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Extract from the Register of European Patents

EP About this file: EP4044526

EP4044526 - TECHNIQUES FOR AN EFFICIENT USE OF REDUNDANT MULTIPATH SCHEDULING [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  29.05.2025
Database last updated on 08.04.2026
FormerThe patent has been granted
Status updated on  20.06.2024
FormerGrant of patent is intended
Status updated on  06.05.2024
FormerExamination is in progress
Status updated on  23.03.2024
FormerGrant of patent is intended
Status updated on  05.03.2024
FormerExamination is in progress
Status updated on  15.07.2022
Most recent event   Tooltip23.01.2026Lapse of the patent in a contracting state
New state(s): BE, IE		published on 25.02.2026  [2026/09]
Applicant(s)For all designated states
Deutsche Telekom AG
Friedrich-Ebert-Allee 140
53113 Bonn / DE
[2022/33]
Inventor(s)01 / AMEND, Markus
63667 Nidda / DE
 [2022/33]
Representative(s)Braun-Dullaeus Pannen Emmerling Patent- & Rechtsanwaltspartnerschaft mbB
Platz der Ideen 2
40476 Düsseldorf / DE
[2022/33]
Application number, filing date21157480.116.02.2021
[2022/33]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP4044526
Date:17.08.2022
Language:EN
[2022/33]
Type: B1 Patent specification 
No.:EP4044526
Date:24.07.2024
Language:EN
[2024/30]
Search report(s)(Supplementary) European search report - dispatched on:EP02.08.2021
ClassificationIPC:H04W28/08, H04W36/00, H04L43/0829, H04W28/086, H04W72/542, H04L43/0852, H04L43/0864
[2024/10]
CPC:
H04W28/0865 (EP); H04L43/0829 (EP); H04L43/0858 (EP);
H04L43/0864 (EP); H04W28/09 (EP); H04W36/0027 (EP);
H04W72/542 (EP); H04L43/0876 (EP); H04L43/16 (EP);
H04L45/24 (EP); H04L47/29 (EP); H04W36/385 (EP) (-)
Former IPC [2022/33]H04L12/707, H04L12/26, H04W24/04, H04W28/08, H04W72/12, H04W36/00, H04W36/38
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 [2022/33]
TitleGerman:TECHNIKEN ZUR EFFIZIENTEN NUTZUNG REDUNDANTER MEHRPFADPLANUNG[2022/33]
English:TECHNIQUES FOR AN EFFICIENT USE OF REDUNDANT MULTIPATH SCHEDULING[2022/33]
French:TECHNIQUES POUR UNE UTILISATION EFFICACE DE LA PROGRAMMATION REDONDANTE À TRAJETS MULTIPLES[2022/33]
Examination procedure08.02.2022Amendment by applicant (claims and/or description)
08.02.2022Examination requested  [2022/33]
08.02.2022Date on which the examining division has become responsible
12.04.2022Despatch of a communication from the examining division (Time limit: M04)
22.08.2022Reply to a communication from the examining division
26.10.2022Despatch of a communication from the examining division (Time limit: M04)
27.02.2023Reply to a communication from the examining division
13.04.2023Despatch of a communication from the examining division (Time limit: M04)
22.08.2023Reply to a communication from the examining division
13.09.2023Despatch of a communication from the examining division (Time limit: M04)
23.01.2024Reply to a communication from the examining division
06.03.2024Communication of intention to grant the patent
22.03.2024Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
07.05.2024Communication of intention to grant the patent
18.06.2024Fee for grant paid
18.06.2024Fee for publishing/printing paid
18.06.2024Receipt of the translation of the claim(s)
Opposition(s)25.04.2025No opposition filed within time limit [2025/27]
Fees paidRenewal fee
15.02.2023Renewal fee patent year 03
23.02.2024Renewal fee patent year 04
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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.
Lapses during opposition  TooltipAT24.07.2024
BG24.07.2024
CZ24.07.2024
DK24.07.2024
EE24.07.2024
ES24.07.2024
FI24.07.2024
HR24.07.2024
IT24.07.2024
LV24.07.2024
MC24.07.2024
NL24.07.2024
PL24.07.2024
RO24.07.2024
SE24.07.2024
SK24.07.2024
SM24.07.2024
NO24.10.2024
RS24.10.2024
GR25.10.2024
IS24.11.2024
PT25.11.2024
IE16.02.2025
LU16.02.2025
BE28.02.2025
CH28.02.2025
[2026/09]
Former [2025/48]AT24.07.2024
BG24.07.2024
CZ24.07.2024
DK24.07.2024
EE24.07.2024
ES24.07.2024
FI24.07.2024
HR24.07.2024
IT24.07.2024
LV24.07.2024
MC24.07.2024
NL24.07.2024
PL24.07.2024
RO24.07.2024
SE24.07.2024
SK24.07.2024
SM24.07.2024
NO24.10.2024
RS24.10.2024
GR25.10.2024
IS24.11.2024
PT25.11.2024
LU16.02.2025
CH28.02.2025
Former [2025/47]AT24.07.2024
BG24.07.2024
CZ24.07.2024
DK24.07.2024
EE24.07.2024
ES24.07.2024
FI24.07.2024
HR24.07.2024
IT24.07.2024
LV24.07.2024
MC24.07.2024
NL24.07.2024
PL24.07.2024
RO24.07.2024
SE24.07.2024
SK24.07.2024
SM24.07.2024
NO24.10.2024
RS24.10.2024
GR25.10.2024
IS24.11.2024
PT25.11.2024
LU16.02.2025
Former [2025/43]AT24.07.2024
BG24.07.2024
CZ24.07.2024
DK24.07.2024
EE24.07.2024
ES24.07.2024
FI24.07.2024
HR24.07.2024
IT24.07.2024
LV24.07.2024
MC24.07.2024
NL24.07.2024
PL24.07.2024
RO24.07.2024
SE24.07.2024
SK24.07.2024
SM24.07.2024
NO24.10.2024
RS24.10.2024
GR25.10.2024
IS24.11.2024
PT25.11.2024
Former [2025/42]AT24.07.2024
BG24.07.2024
CZ24.07.2024
DK24.07.2024
EE24.07.2024
ES24.07.2024
FI24.07.2024
HR24.07.2024
IT24.07.2024
LV24.07.2024
NL24.07.2024
PL24.07.2024
RO24.07.2024
SE24.07.2024
SK24.07.2024
SM24.07.2024
NO24.10.2024
RS24.10.2024
GR25.10.2024
IS24.11.2024
PT25.11.2024
Former [2025/23]AT24.07.2024
BG24.07.2024
CZ24.07.2024
DK24.07.2024
EE24.07.2024
ES24.07.2024
FI24.07.2024
HR24.07.2024
IT24.07.2024
LV24.07.2024
NL24.07.2024
PL24.07.2024
RO24.07.2024
SK24.07.2024
SM24.07.2024
NO24.10.2024
RS24.10.2024
GR25.10.2024
IS24.11.2024
PT25.11.2024
Former [2025/22]AT24.07.2024
BG24.07.2024
DK24.07.2024
EE24.07.2024
ES24.07.2024
FI24.07.2024
HR24.07.2024
LV24.07.2024
NL24.07.2024
PL24.07.2024
RO24.07.2024
SM24.07.2024
NO24.10.2024
RS24.10.2024
GR25.10.2024
IS24.11.2024
PT25.11.2024
Former [2025/21]AT24.07.2024
BG24.07.2024
DK24.07.2024
ES24.07.2024
FI24.07.2024
HR24.07.2024
LV24.07.2024
NL24.07.2024
PL24.07.2024
RO24.07.2024
SM24.07.2024
NO24.10.2024
RS24.10.2024
GR25.10.2024
IS24.11.2024
PT25.11.2024
Former [2025/10]AT24.07.2024
BG24.07.2024
ES24.07.2024
FI24.07.2024
HR24.07.2024
LV24.07.2024
NL24.07.2024
PL24.07.2024
NO24.10.2024
RS24.10.2024
GR25.10.2024
IS24.11.2024
PT25.11.2024
Former [2025/09]AT24.07.2024
BG24.07.2024
FI24.07.2024
LV24.07.2024
NL24.07.2024
PL24.07.2024
NO24.10.2024
GR25.10.2024
IS24.11.2024
PT25.11.2024
Former [2025/08]FI24.07.2024
NL24.07.2024
PL24.07.2024
NO24.10.2024
GR25.10.2024
PT25.11.2024
Former [2025/04]NL24.07.2024
PT25.11.2024
Former [2025/03]PT25.11.2024
Documents cited:Search[XY] EP2665309  (JUNIPER NETWORKS INC et al.)
 [Y] US8243679  (HUANG RENXIANG et al.)
 [Y] US2012315905  (ZHU JING et al.)
 [Y]   CATT: "Measurement in CA", 3GPP DRAFT; R2-095485, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, no. Miyazaki; 20091012, 16 October 2009 (2009-10-16), XP050390041
 [I]   KRISTIANSSON J ET AL: "Application-layer mobility support for streaming real-time media", WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE, 2004. WCNC. 2004 IE EE ATLANTA, GA, USA 21-25 MARCH 2004, PISCATAWAY, NJ, USA,IEEE, vol. 1, 21 March 2004 (2004-03-21), pages 268 - 273, XP010708081, ISBN: 978-0-7803-8344-9
ExaminationUS2005059400
by applicant  VU ANH VUBRENTON WALKER: "Proceedings of the 14th Workshop on Challenged Networks (CHANTS'19", 2019, ASSOCIATION FOR COMPUTING MACHINERY, article "Redundant Multipath-TCP Scheduling with Desired Packet Latency", pages: 7 - 12
   YIHUA ETHAN GUOASHKAN NIKRAVESHZ. MORLEY MAOFENG QIANSUBHABRATA SEN: "Proceedings of the 23rd Annual International Conference on Mobile Computing and Networking (MobiCom '17", 2017, ASSOCIATION FOR COMPUTING MACHINERY, article "Accelerating Multipath Transport Through Balanced Subflow Completion", pages: 141 - 153
   JING ZUOJIANJIAN ZHUWEI LIU, A PATH-AWARE SCHEDULING SCHEME FOR MULTIPATH TRANSPORT PROTOCOLS, March 2018 (2018-03-01)
   B. FELIXI. STEUCKA. SANTOSS. SECCIM. NOGUEIRA: "Redundant Packet Scheduling by Uncorrelated Paths in Heterogeneous Wireless Networks", 2018 IEEE SYMPOSIUM ON COMPUTERS AND COMMUNICATIONS (ISCC), NATAL, 2018, pages 00498 - 00503
   ALEXANDER FROMMGENAMR RIZKTOBIAS ERBSHAUL3>ERMAX WELLERBORIS KOLDEHOFEALEJANDRO BUCHMANNRALF STEINMETZ: "Proceedings of the 18th ACM/IFIP/USENIX Middleware Conference (Middleware '17", 2017, ASSOCIATION FOR COMPUTING MACHINERY, article "A programming model for application-defined multipath TCP scheduling", pages: 134 - 146
   A. FORDC. RAICIUM. HANDLEYO. BONAVENTURE: "TCP Extensions for Multipath Operation with Multiple Addresses", RFC NO. 6824, January 2013 (2013-01-01)
   J. IYENGARM. THOMSON, QUIC: A UDP-BASED MULTIPLEXED AND SECURE TRANSPORT, October 2020 (2020-10-01)
   QUENTIN CONINCKOLIVIER BONAVENTURE, MULTIPATH EXTENSIONS FOR QUIC (MP-QUIC, 5 August 2020 (2020-08-05)
   R. STEWART: "Stream Control Transmission Protocol", RFC NO. 4960, September 2007 (2007-09-01)
   PAUL AMERMARTIN BECKETHOMAS DREIBHOLZNASIF EKIZJANA IYENGARPREETHI NATARAJANRANDALL STEWARTMICHAEL TUXEN, LOAD SHARING FOR THE STREAM CONTROL TRANSMISSION PROTOCOL (SCTP, 20 July 2020 (2020-07-20)
   MARKUS AMENDANNA BRUNSTROMANDREAS KASSLERVESELIN RAKOCEVIC, DCCP EXTENSIONS FOR MULTIPATH OPERATION WITH MULTIPLE ADDRESSES, 3 November 2019 (2019-11-03)
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.