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Extract from the Register of European Patents

EP About this file: EP3337123

EP3337123 - NETWORK ATTACK PREVENTION METHOD, APPARATUS AND SYSTEM [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.04.2022
Database last updated on 25.09.2024
FormerThe patent has been granted
Status updated on  14.05.2021
FormerGrant of patent is intended
Status updated on  01.03.2021
FormerExamination is in progress
Status updated on  11.09.2020
FormerRequest for examination was made
Status updated on  18.05.2018
FormerThe international publication has been made
Status updated on  18.02.2017
Most recent event   Tooltip06.09.2024Lapse of the patent in a contracting state
New state(s): MT
published on 09.10.2024 [2024/41]
Applicant(s)For all designated states
Alibaba Group Holding Limited
Fourth Floor, One Capital Place P.O. Box 847 George Town
Grand Cayman / KY
[2018/25]
Inventor(s)01 / XIAO, Hongliang
Alibaba Group Legal Department
5/F Building 3 No.969 West Wen Yi Road
Yu Hang District
Hangzhou Zhejiang 311121 / CN
02 / ZHANG, Dacheng
Alibaba Group Legal Department
5/F Building 3 No.969 West Wen Yi Road
Yu Hang District
Hangzhou Zhejiang 311121 / CN
 [2018/25]
Representative(s)Barker Brettell LLP
100 Hagley Road
Edgbaston
Birmingham, West Midlands B16 8QQ / GB
[N/P]
Former [2018/25]Barker Brettell LLP
Medina Chambers
Town Quay
Southampton SO14 2AQ / GB
Application number, filing date16834601.304.08.2016
[2018/25]
WO2016CN93186
Priority number, dateCN20151049722613.08.2015         Original published format: CN201510497226
[2018/25]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2017024977
Date:16.02.2017
Language:ZH
[2017/07]
Type: A1 Application with search report 
No.:EP3337123
Date:20.06.2018
Language:EN
[2018/25]
Type: B1 Patent specification 
No.:EP3337123
Date:16.06.2021
Language:EN
[2021/24]
Search report(s)International search report - published on:CN16.02.2017
(Supplementary) European search report - dispatched on:EP06.03.2019
ClassificationIPC:H04L29/06, H04L29/12
[2019/14]
CPC:
H04L63/0236 (EP,CN,US); H04L63/1466 (CN,KR); H04L63/1458 (EP,CN,US);
H04L1/1858 (CN); H04L61/4511 (EP,US); H04L63/101 (EP,KR,US);
H04L63/1441 (US); H04L9/40 (US) (-)
Former IPC [2018/25]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 [2018/25]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:VERFAHREN, VORRICHTUNG UND SYSTEM ZUR VERMEIDUNG VON NETZWERKANGRIFFEN[2018/25]
English:NETWORK ATTACK PREVENTION METHOD, APPARATUS AND SYSTEM[2018/25]
French:PROCÉDÉ, APPAREIL ET SYSTÈME DE PRÉVENTION D'ATTAQUE DE RÉSEAU[2018/25]
Entry into regional phase08.02.2018Translation filed 
08.02.2018National basic fee paid 
08.02.2018Search fee paid 
08.02.2018Designation fee(s) paid 
08.02.2018Examination fee paid 
Examination procedure08.02.2018Examination requested  [2018/25]
08.02.2018Date on which the examining division has become responsible
12.08.2019Amendment by applicant (claims and/or description)
11.09.2020Despatch of a communication from the examining division (Time limit: M04)
04.01.2021Reply to a communication from the examining division
02.03.2021Communication of intention to grant the patent
05.05.2021Fee for grant paid
05.05.2021Fee for publishing/printing paid
05.05.2021Receipt of the translation of the claim(s)
Opposition(s)17.03.2022No opposition filed within time limit [2022/21]
Fees paidRenewal fee
24.08.2018Renewal fee patent year 03
23.08.2019Renewal fee patent year 04
25.08.2020Renewal fee patent year 05
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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  TooltipHU04.08.2016
AL16.06.2021
AT16.06.2021
CY16.06.2021
CZ16.06.2021
DK16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
IT16.06.2021
LT16.06.2021
LV16.06.2021
MC16.06.2021
MK16.06.2021
MT16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SI16.06.2021
SK16.06.2021
SM16.06.2021
IE04.08.2021
LU04.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
[2024/41]
Former [2024/22]HU04.08.2016
AL16.06.2021
AT16.06.2021
CY16.06.2021
CZ16.06.2021
DK16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
IT16.06.2021
LT16.06.2021
LV16.06.2021
MC16.06.2021
MK16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SI16.06.2021
SK16.06.2021
SM16.06.2021
IE04.08.2021
LU04.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
Former [2023/30]HU04.08.2016
AL16.06.2021
AT16.06.2021
CY16.06.2021
CZ16.06.2021
DK16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
IT16.06.2021
LT16.06.2021
LV16.06.2021
MC16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SI16.06.2021
SK16.06.2021
SM16.06.2021
IE04.08.2021
LU04.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
Former [2023/27]HU04.08.2016
AL16.06.2021
AT16.06.2021
CZ16.06.2021
DK16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
IT16.06.2021
LT16.06.2021
LV16.06.2021
MC16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SI16.06.2021
SK16.06.2021
SM16.06.2021
IE04.08.2021
LU04.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
Former [2022/36]AL16.06.2021
AT16.06.2021
CZ16.06.2021
DK16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
IT16.06.2021
LT16.06.2021
LV16.06.2021
MC16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SI16.06.2021
SK16.06.2021
SM16.06.2021
IE04.08.2021
LU04.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
Former [2022/35]AL16.06.2021
AT16.06.2021
CZ16.06.2021
DK16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
MC16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SI16.06.2021
SK16.06.2021
SM16.06.2021
IE04.08.2021
LU04.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
Former [2022/34]AL16.06.2021
AT16.06.2021
CZ16.06.2021
DK16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
MC16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SI16.06.2021
SK16.06.2021
SM16.06.2021
LU04.08.2021
BE31.08.2021
CH31.08.2021
LI31.08.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
Former [2022/29]AL16.06.2021
AT16.06.2021
CZ16.06.2021
DK16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
MC16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SI16.06.2021
SK16.06.2021
SM16.06.2021
LU04.08.2021
CH31.08.2021
LI31.08.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
Former [2022/26]AL16.06.2021
AT16.06.2021
CZ16.06.2021
DK16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
MC16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SK16.06.2021
SM16.06.2021
LU04.08.2021
CH31.08.2021
LI31.08.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
Former [2022/24]AT16.06.2021
CZ16.06.2021
DK16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
MC16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SK16.06.2021
SM16.06.2021
LU04.08.2021
CH31.08.2021
LI31.08.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
Former [2022/21]AT16.06.2021
CZ16.06.2021
DK16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
MC16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SK16.06.2021
SM16.06.2021
CH31.08.2021
LI31.08.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
Former [2022/18]AT16.06.2021
CZ16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
MC16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SK16.06.2021
SM16.06.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
Former [2022/10]AT16.06.2021
CZ16.06.2021
EE16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
NL16.06.2021
PL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SK16.06.2021
SM16.06.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
IS16.10.2021
PT18.10.2021
Former [2022/09]AT16.06.2021
CZ16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
NL16.06.2021
RO16.06.2021
RS16.06.2021
SE16.06.2021
SK16.06.2021
SM16.06.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
PT18.10.2021
Former [2022/08]AT16.06.2021
CZ16.06.2021
ES16.06.2021
FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
NL16.06.2021
RS16.06.2021
SE16.06.2021
SM16.06.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
Former [2022/07]AT16.06.2021
FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
NL16.06.2021
RS16.06.2021
SE16.06.2021
SM16.06.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
Former [2021/51]FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
RS16.06.2021
SE16.06.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
Former [2021/49]FI16.06.2021
HR16.06.2021
LT16.06.2021
LV16.06.2021
SE16.06.2021
BG16.09.2021
NO16.09.2021
GR17.09.2021
Former [2021/47]FI16.06.2021
LT16.06.2021
BG16.09.2021
Former [2021/46]FI16.06.2021
LT16.06.2021
Documents cited:Search[X]  - ANAGNOSTOPOULOS MARIOS ET AL, "DNS amplification attack revisited", COMPUTERS & SECURITY, (20131130), vol. 39, doi:10.1016/J.COSE.2013.10.001, ISSN 0167-4048, pages 475 - 485, XP028780864 [X] 1-15 * Section 3.4 *

DOI:   http://dx.doi.org/10.1016/j.cose.2013.10.001
 [A]  - FABRICE J RYBA ET AL, "Amplification and DRDoS Attack Defense -- A Survey and New Perspectives", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, (20150529), XP080809563 [A] 1-15 * Section V *
 [A]  - CHANGHUA SUN ET AL, "Efficient and Low-Cost Hardware Defense Against DNS Amplification Attacks", 2008 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE : [IEEE GLOBECOM 2008] ; NEW ORLEANS, LOUISIANA, 30 NOVEMBER 2008 - 04 DECEMBER 2008, IEEE, PISCATAWAY, NJ, USA, (20081130), ISBN 978-1-4244-2324-8, pages 1 - 5, XP031370080 [A] 1-15 * Section III; page 2, column 2 - page 3, column 2 *
International search[A]CN102075592  (LU XIAOWEN, et al) [A] 1-21 * , the whole document *;
 [A]US2013232574  (CAROTHERS MATTHEW EDWIN [US]) [A] 1-21* the whole document *;
 [A]CN103391272  (TENCENT INC) [A] 1-21 * , the whole documen *;
 [A]CN103856487  (OPZOON TECHNOLOGY CO LTD) [A] 1-21 * , description, paragraph [0006] *;
 [A]CN104125242  (BEIJING YUELIAN INFORMATION TECHNOLOGY CO LTD) [A] 1-21 * , the whole document *
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.