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Extract from the Register of European Patents

EP About this file: EP4300914

EP4300914 - BIERV6 MESSAGE PROCESSING METHOD, AND DEVICE AND SYSTEM [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  31.10.2025
Database last updated on 14.03.2026
FormerGrant of patent is intended
Status updated on  17.07.2025
FormerRequest for examination was made
Status updated on  01.12.2023
FormerThe international publication has been made
Status updated on  10.10.2022
Most recent event   Tooltip31.10.2025(Expected) grantpublished on 03.12.2025  [2025/49]
Applicant(s)For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building
Bantian
Longgang
Shenzhen, Guangdong 518129 / CN
[2024/01]
Inventor(s)01 / DUAN, Fanghong
Shenzhen, Guangdong 518129 / CN
02 / XIE, Jingrong
Shenzhen, Guangdong 518129 / CN
 [2024/01]
Representative(s)Isarpatent
Patent- und Rechtsanwälte
Barth Hassa Peckmann & Partner mbB
Friedrichstraße 31
80801 München / DE
[2024/01]
Application number, filing date22778588.817.03.2022
[2024/01]
WO2022CN81468
Priority number, dateCN20211033233929.03.2021         Original published format: CN202110332339
[2024/01]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022206405
Date:06.10.2022
Language:ZH
[2022/40]
Type: A1 Application with search report 
No.:EP4300914
Date:03.01.2024
Language:EN
[2024/01]
Type: B1 Patent specification 
No.:EP4300914
Date:03.12.2025
Language:EN
[2025/49]
Search report(s)International search report - published on:CN06.10.2022
(Supplementary) European search report - dispatched on:EP18.04.2024
ClassificationIPC:H04L45/74, H04L12/46, H04L61/2592, H04L45/00, H04L45/741, H04L101/659, H04L101/677, H04L101/668
[2024/21]
CPC:
H04L45/66 (EP); H04L45/74 (CN); H04L45/566 (US);
H04L12/4633 (EP,CN); H04L45/02 (US); H04L45/741 (EP);
H04L45/748 (US); H04L12/4641 (EP); H04L2101/659 (EP);
H04L2101/668 (EP); H04L2101/677 (EP); H04L61/5007 (EP) (-)
Former IPC [2024/01]H04L45/74, H04L12/46, H04L61/2592
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 [2024/01]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR VERARBEITUNG VON BIERV6-NACHRICHTEN SOWIE VORRICHTUNG UND SYSTEM[2024/01]
English:BIERV6 MESSAGE PROCESSING METHOD, AND DEVICE AND SYSTEM[2024/01]
French:PROCÉDÉ DE TRAITEMENT DE MESSAGE BIERV6, DISPOSITIF ET SYSTÈME[2024/01]
Entry into regional phase26.09.2023Translation filed 
26.09.2023National basic fee paid 
26.09.2023Search fee paid 
26.09.2023Designation fee(s) paid 
26.09.2023Examination fee paid 
Examination procedure26.09.2023Examination requested  [2024/01]
29.10.2024Amendment by applicant (claims and/or description)
29.10.2024Date on which the examining division has become responsible
17.07.2025Communication of intention to grant the patent
22.10.2025Fee for grant paid
22.10.2025Fee for publishing/printing paid
22.10.2025Receipt of the translation of the claim(s)
Fees paidRenewal fee
28.03.2024Renewal fee patent year 03
31.03.2025Renewal fee patent year 04
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Documents cited:Search[I]   ZHANG A PRZYGIENDA JUNIPER NETWORKS A SAJASSI CISCO SYSTEMS J RABADAN NOKIA Z: "EVPN BUM Using BIER; draft-ietf-bier-evpn-04.txt", no. 4, 3 December 2020 (2020-12-03), pages 1 - 14, XP015143198, Retrieved from the Internet [retrieved on 20201203] [I] 1-15 * abstract * * pag. 10 l. 1-5,; paragraph [02.1] * * page 3 * * paragraph [0002] * * paragraph [02.3] * * paragraphs [4.2.1] - [4.2.2] *
 [A]   LIN Z ZHANG J DRAKE E ROSEN W ET AL: "EVPN Optimized Inter-Subnet Multicast (OISM) Forwarding; draft-ietf-bess-evpn-irb-mcast-05.txt", no. 5, 13 October 2020 (2020-10-13), pages 1 - 77, XP015142067, Retrieved from the Internet [retrieved on 20201013] [A] 1-15 * paragraph [02.6] * * abstract *
International search[A] CN112511319  (ZTE CORP et al.) [A] 1-47 * description, paragraphs [0003]-[0294], and figures 1-14 *
 [A] US2020389385  (NAINAR NAGENDRA KUMAR et al.) [A] 1-47 * entire document *
 [A] WO2016198022  (ZTE CORP et al.) [A] 1-47 * entire document *
 [A] US10841216  (HOANG LEVINH et al.) [A] 1-47 * entire document *
by applicantCN202110332339
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.