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
Register Forum

2022.02.11

More...
blank News flashes

News flashes

New version of the European Patent Register - SPC information for Unitary Patents.

2024-03-06

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
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: EP3541051

EP3541051 - ACCELERATION METHOD FOR HANDSHAKE REQUEST IN CONTENT DELIVERY NETWORK, DEVICE AND EDGE NODE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.05.2021
Database last updated on 28.06.2024
FormerThe patent has been granted
Status updated on  05.06.2020
FormerGrant of patent is intended
Status updated on  02.04.2020
FormerExamination is in progress
Status updated on  29.10.2019
FormerRequest for examination was made
Status updated on  16.08.2019
FormerThe international publication has been made
Status updated on  10.08.2019
Formerunknown
Status updated on  19.09.2018
Most recent event   Tooltip03.05.2024Lapse of the patent in a contracting state
New state(s): MK		published on 05.06.2024  [2024/23]
Applicant(s)For all designated states
Wangsu Science & Technology Co., Ltd.
Building A Floor 5
Guangqi Culture Plaza
2899 Xietu Road
Xuhui District
Shanghai 200030 / CN
[2019/38]
Inventor(s)01 / CHEN, Jiejun
Building A Floor 5, Guangqi Culture Plaza
No. 2899 Xietu Road
Xuhui District Shanghai 200030§ / CN
02 / DENG, Jianwei
Building A Floor 5, Guangqi Culture Plaza
No. 2899 Xietu Road
Xuhui District Shanghai 200030§ / CN
 [2019/38]
Representative(s)Hanna Moore + Curley
Garryard House
25-26 Earlsfort Terrace
Dublin 2, D02 PX51 / IE
[N/P]
Former [2019/38]Hanna Moore + Curley
Garryard House
25/26 Earlsfort Terrace
Dublin 2, D02 PX51 / IE
Application number, filing date18765531.127.02.2018
[2019/38]
WO2018CN77430
Priority number, dateCN2018108924230.01.2018         Original published format: CN201810089242
[2019/38]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019148562
Date:08.08.2019
Language:ZH
[2019/32]
Type: A1 Application with search report 
No.:EP3541051
Date:18.09.2019
Language:EN
[2019/38]
Type: B1 Patent specification 
No.:EP3541051
Date:08.07.2020
Language:EN
[2020/28]
Search report(s)International search report - published on:CN08.08.2019
(Supplementary) European search report - dispatched on:EP11.03.2019
ClassificationIPC:H04L29/08, H04L29/06, H04L29/12, H04L9/32, H04L9/06
[2019/38]
CPC:
H04L63/0485 (EP); H04L67/14 (CN,US); H04L61/4511 (CN);
H04L63/0428 (CN); H04L63/06 (CN); H04L63/10 (CN);
H04L67/02 (CN,US); H04L67/1008 (CN); H04L9/0643 (CN);
H04L9/0819 (US); H04L9/3213 (US); H04L9/3263 (CN) (-)
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 [2019/38]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:BESCHLEUNIGUNGSVERFAHREN FÜR HANDSHAKE-ANFRAGE, VORRICHTUNG UND KANTENKNOTEN IN EINEM INHALTSBEREITSTELLUNGSNETZWERK[2019/38]
English:ACCELERATION METHOD FOR HANDSHAKE REQUEST IN CONTENT DELIVERY NETWORK, DEVICE AND EDGE NODE[2019/38]
French:PROCÉDÉ D'ACCÉLÉRATION POUR DEMANDE D'ÉTABLISSEMENT DE LIAISON DANS UN RÉSEAU DE DISTRIBUTION DE CONTENU, DISPOSITIF ET NOEUD DE PÉRIPHÉRIE[2019/38]
Entry into regional phase18.09.2018Translation filed 
18.09.2018National basic fee paid 
18.09.2018Search fee paid 
18.09.2018Designation fee(s) paid 
18.09.2018Examination fee paid 
Examination procedure18.09.2018Examination requested  [2019/38]
24.07.2019Amendment by applicant (claims and/or description)
24.07.2019Date on which the examining division has become responsible
04.11.2019Despatch of a communication from the examining division (Time limit: M04)
14.02.2020Reply to a communication from the examining division
03.04.2020Communication of intention to grant the patent
29.05.2020Fee for grant paid
29.05.2020Fee for publishing/printing paid
29.05.2020Receipt of the translation of the claim(s)
Opposition(s)09.04.2021No opposition filed within time limit [2021/24]
Fees paidRenewal fee
28.01.2020Renewal fee patent year 03
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  TooltipHU27.02.2018
AL08.07.2020
AT08.07.2020
CY08.07.2020
CZ08.07.2020
DK08.07.2020
EE08.07.2020
ES08.07.2020
FI08.07.2020
GR08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
MC08.07.2020
MK08.07.2020
NL08.07.2020
PL08.07.2020
RO08.07.2020
RS08.07.2020
SE08.07.2020
SI08.07.2020
SK08.07.2020
SM08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
IE27.02.2021
LU27.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
[2024/23]
Former [2023/36]HU27.02.2018
AL08.07.2020
AT08.07.2020
CY08.07.2020
CZ08.07.2020
DK08.07.2020
EE08.07.2020
ES08.07.2020
FI08.07.2020
GR08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
MC08.07.2020
NL08.07.2020
PL08.07.2020
RO08.07.2020
RS08.07.2020
SE08.07.2020
SI08.07.2020
SK08.07.2020
SM08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
IE27.02.2021
LU27.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
Former [2023/33]HU27.02.2018
AL08.07.2020
AT08.07.2020
CY08.07.2020
CZ08.07.2020
DK08.07.2020
EE08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
MC08.07.2020
NL08.07.2020
PL08.07.2020
RO08.07.2020
RS08.07.2020
SE08.07.2020
SI08.07.2020
SK08.07.2020
SM08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
IE27.02.2021
LU27.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
Former [2023/30]AL08.07.2020
AT08.07.2020
CY08.07.2020
CZ08.07.2020
DK08.07.2020
EE08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
MC08.07.2020
NL08.07.2020
PL08.07.2020
RO08.07.2020
RS08.07.2020
SE08.07.2020
SI08.07.2020
SK08.07.2020
SM08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
IE27.02.2021
LU27.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
Former [2022/33]AL08.07.2020
AT08.07.2020
CZ08.07.2020
DK08.07.2020
EE08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
MC08.07.2020
NL08.07.2020
PL08.07.2020
RO08.07.2020
RS08.07.2020
SE08.07.2020
SI08.07.2020
SK08.07.2020
SM08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
IE27.02.2021
LU27.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
Former [2022/07]AL08.07.2020
AT08.07.2020
CZ08.07.2020
DK08.07.2020
EE08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
MC08.07.2020
NL08.07.2020
PL08.07.2020
RO08.07.2020
RS08.07.2020
SE08.07.2020
SI08.07.2020
SK08.07.2020
SM08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
IE27.02.2021
LU27.02.2021
CH28.02.2021
LI28.02.2021
Former [2021/47]AL08.07.2020
AT08.07.2020
CZ08.07.2020
DK08.07.2020
EE08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
MC08.07.2020
NL08.07.2020
PL08.07.2020
RO08.07.2020
RS08.07.2020
SE08.07.2020
SI08.07.2020
SK08.07.2020
SM08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
LU27.02.2021
CH28.02.2021
LI28.02.2021
Former [2021/41]AL08.07.2020
AT08.07.2020
CZ08.07.2020
DK08.07.2020
EE08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
MC08.07.2020
NL08.07.2020
PL08.07.2020
RO08.07.2020
RS08.07.2020
SE08.07.2020
SI08.07.2020
SK08.07.2020
SM08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
Former [2021/36]AL08.07.2020
AT08.07.2020
CZ08.07.2020
DK08.07.2020
EE08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
NL08.07.2020
PL08.07.2020
RO08.07.2020
RS08.07.2020
SE08.07.2020
SI08.07.2020
SK08.07.2020
SM08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
Former [2021/28]AL08.07.2020
AT08.07.2020
CZ08.07.2020
DK08.07.2020
EE08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
NL08.07.2020
PL08.07.2020
RO08.07.2020
RS08.07.2020
SE08.07.2020
SK08.07.2020
SM08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
Former [2021/25]AL08.07.2020
AT08.07.2020
CZ08.07.2020
DK08.07.2020
EE08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
NL08.07.2020
PL08.07.2020
RO08.07.2020
RS08.07.2020
SE08.07.2020
SM08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
Former [2021/22]AT08.07.2020
CZ08.07.2020
DK08.07.2020
EE08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
NL08.07.2020
PL08.07.2020
RO08.07.2020
RS08.07.2020
SE08.07.2020
SM08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
Former [2021/20]AT08.07.2020
DK08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
IT08.07.2020
LT08.07.2020
LV08.07.2020
NL08.07.2020
PL08.07.2020
RS08.07.2020
SE08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
Former [2021/17]AT08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
LT08.07.2020
LV08.07.2020
NL08.07.2020
PL08.07.2020
RS08.07.2020
SE08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
Former [2021/10]AT08.07.2020
ES08.07.2020
FI08.07.2020
HR08.07.2020
LT08.07.2020
LV08.07.2020
PL08.07.2020
RS08.07.2020
SE08.07.2020
BG08.10.2020
NO08.10.2020
IS08.11.2020
PT09.11.2020
Former [2021/09]AT08.07.2020
ES08.07.2020
FI08.07.2020
LT08.07.2020
SE08.07.2020
BG08.10.2020
NO08.10.2020
PT09.11.2020
Former [2021/08]ES08.07.2020
FI08.07.2020
LT08.07.2020
SE08.07.2020
BG08.10.2020
NO08.10.2020
PT09.11.2020
Former [2021/07]FI08.07.2020
LT08.07.2020
NO08.10.2020
Documents cited:Search[A]US2013156189  (GERO CHARLES E [US], et al) [A] 1-12 * paragraph [0009] * * paragraph [0032] - paragraph [0037]; figure 4 *;
 [A]CN106341417  (GUIZHOU BAISHAN CLOUD TECH CO LTD) [A] 1-12* abstract *
International search[A]US7502884  (SHAH SHREYAS [US], et al) [A] 1-12;
 [A]CN106027646  (DU ZAIDONG)[A] 1-12;
 [X]CN106161449  (QINGSONG WISDOM (BEIJING) TECH CO LTD) [X] 1, 5, 6, 8-12;
 [Y]CN106341417  (GUIZHOU BAISHAN CLOUD TECH CO LTD) [Y] 2, 7, 12;
 [XY]CN106789026  (SHANGHAI DNION INFORMATION & TECH CO LTD) [X] 1, 5, 6, 8-12 [Y] 2, 7, 12
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.