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: EP2719120

EP2719120 - PROTOCOL INDEPENDENT MULTICAST LAST HOP ROUTER DISCOVERY [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  24.06.2016
Database last updated on 28.03.2026
Most recent event   Tooltip19.10.2018Lapse of the patent in a contracting state
New state(s): AL		published on 21.11.2018  [2018/47]
Applicant(s)For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building
Bantian
Longgang District
Shenzhen, Guangdong 518129 / CN
[2015/34]
Former [2014/16]For all designated states
Huawei Technologies Co., Ltd
Huawei Administration Building
Bantian
Longgang District
Shenzhen, Guangdong 518129 / CN
Inventor(s)01 / HAN, Lin
1189 Water Lily Way
San Jose, California 95129 / US
02 / LI, Renwei
41223 Norman Court
Freemont, California 94539 / US
 [2014/16]
Representative(s)Pfenning, Meinig & Partner mbB
Patent- und Rechtsanwälte
Theresienhöhe 11a
80339 München / DE
[N/P]
Former [2015/34]Pfenning, Meinig & Partner GbR
Patent- und Rechtsanwälte
Theresienhöhe 11a
80339 München / DE
Former [2014/16]Pfenning, Meinig & Partner GbR
Patent- und Rechtsanwälte
Theresienhöhe 13
80339 München / DE
Application number, filing date12741409.222.06.2012
[2015/34]
WO2012US43847
Priority number, dateUS201161499987P22.06.2011         Original published format: US 201161499987 P
[2014/16]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2012178084
Date:27.12.2012
Language:EN
[2012/52]
Type: A1 Application with search report 
No.:EP2719120
Date:16.04.2014
Language:EN
The application published by WIPO in one of the EPO official languages on 27.12.2012 takes the place of the publication of the European patent application.
[2014/16]
Type: B1 Patent specification 
No.:EP2719120
Date:19.08.2015
Language:EN
[2015/34]
Search report(s)International search report - published on:EP27.12.2012
ClassificationIPC:H04L12/18
[2014/16]
CPC:
H04L12/185 (EP,US); H04L12/1877 (EP,US); H04L12/1881 (EP,US)
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 [2014/16]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:ERKENNING EINES LAST-HOP-ROUTERS IN PROTOKOLLUNABHÄNGIGEM MULTICAST[2014/16]
English:PROTOCOL INDEPENDENT MULTICAST LAST HOP ROUTER DISCOVERY[2014/16]
French:DÉCOUVERTE D'UN ROUTEUR DE DERNIER SAUT DU PROTOCOLE PIM (PROTOCOL INDEPENDENT MULTICAST)[2014/16]
Entry into regional phase07.01.2014National basic fee paid 
07.01.2014Designation fee(s) paid 
07.01.2014Examination fee paid 
Examination procedure07.01.2014Amendment by applicant (claims and/or description)
07.01.2014Examination requested  [2014/16]
25.04.2014Despatch of a communication from the examining division (Time limit: M04)
05.09.2014Reply to a communication from the examining division
27.02.2015Communication of intention to grant the patent
25.05.2015Fee for grant paid
25.05.2015Fee for publishing/printing paid
09.07.2015Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  25.04.2014
Opposition(s)20.05.2016No opposition filed within time limit [2016/30]
Fees paidRenewal fee
26.06.2014Renewal fee patent year 03
26.06.2015Renewal fee patent year 04
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  TooltipHU22.06.2012
AL19.08.2015
AT19.08.2015
BE19.08.2015
BG19.08.2015
CY19.08.2015
CZ19.08.2015
DK19.08.2015
EE19.08.2015
FI19.08.2015
HR19.08.2015
IT19.08.2015
LT19.08.2015
LV19.08.2015
MC19.08.2015
MK19.08.2015
NL19.08.2015
PL19.08.2015
RO19.08.2015
RS19.08.2015
SE19.08.2015
SI19.08.2015
SK19.08.2015
SM19.08.2015
TR19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
[2018/47]
Former [2018/38]HU22.06.2012
AT19.08.2015
BE19.08.2015
BG19.08.2015
CY19.08.2015
CZ19.08.2015
DK19.08.2015
EE19.08.2015
FI19.08.2015
HR19.08.2015
IT19.08.2015
LT19.08.2015
LV19.08.2015
MC19.08.2015
MK19.08.2015
NL19.08.2015
PL19.08.2015
RO19.08.2015
RS19.08.2015
SE19.08.2015
SI19.08.2015
SK19.08.2015
SM19.08.2015
TR19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2018/31]HU22.06.2012
AT19.08.2015
BE19.08.2015
CY19.08.2015
CZ19.08.2015
DK19.08.2015
EE19.08.2015
FI19.08.2015
HR19.08.2015
IT19.08.2015
LT19.08.2015
LV19.08.2015
MC19.08.2015
MK19.08.2015
NL19.08.2015
PL19.08.2015
RO19.08.2015
RS19.08.2015
SE19.08.2015
SI19.08.2015
SK19.08.2015
SM19.08.2015
TR19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2018/29]HU22.06.2012
AT19.08.2015
BE19.08.2015
CY19.08.2015
CZ19.08.2015
DK19.08.2015
EE19.08.2015
FI19.08.2015
HR19.08.2015
IT19.08.2015
LT19.08.2015
LV19.08.2015
MC19.08.2015
MK19.08.2015
NL19.08.2015
PL19.08.2015
RO19.08.2015
RS19.08.2015
SE19.08.2015
SI19.08.2015
SK19.08.2015
SM19.08.2015
TR19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2018/28]HU22.06.2012
AT19.08.2015
BE19.08.2015
CY19.08.2015
CZ19.08.2015
DK19.08.2015
EE19.08.2015
FI19.08.2015
HR19.08.2015
IT19.08.2015
LT19.08.2015
LV19.08.2015
MC19.08.2015
MK19.08.2015
NL19.08.2015
PL19.08.2015
RO19.08.2015
RS19.08.2015
SE19.08.2015
SI19.08.2015
SK19.08.2015
SM19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2017/07]AT19.08.2015
BE19.08.2015
CZ19.08.2015
DK19.08.2015
EE19.08.2015
FI19.08.2015
IT19.08.2015
LT19.08.2015
LV19.08.2015
MC19.08.2015
NL19.08.2015
PL19.08.2015
RO19.08.2015
RS19.08.2015
SE19.08.2015
SI19.08.2015
SK19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2017/03]AT19.08.2015
BE19.08.2015
CZ19.08.2015
DK19.08.2015
EE19.08.2015
FI19.08.2015
IT19.08.2015
LT19.08.2015
LV19.08.2015
NL19.08.2015
PL19.08.2015
RO19.08.2015
RS19.08.2015
SE19.08.2015
SI19.08.2015
SK19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2016/36]AT19.08.2015
CZ19.08.2015
DK19.08.2015
EE19.08.2015
FI19.08.2015
IT19.08.2015
LT19.08.2015
LV19.08.2015
NL19.08.2015
PL19.08.2015
RO19.08.2015
RS19.08.2015
SE19.08.2015
SI19.08.2015
SK19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2016/23]AT19.08.2015
CZ19.08.2015
DK19.08.2015
EE19.08.2015
FI19.08.2015
IT19.08.2015
LT19.08.2015
LV19.08.2015
NL19.08.2015
PL19.08.2015
RO19.08.2015
RS19.08.2015
SE19.08.2015
SK19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2016/22]AT19.08.2015
CZ19.08.2015
DK19.08.2015
EE19.08.2015
FI19.08.2015
IT19.08.2015
LT19.08.2015
LV19.08.2015
NL19.08.2015
PL19.08.2015
RS19.08.2015
SE19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2016/21]AT19.08.2015
DK19.08.2015
FI19.08.2015
IT19.08.2015
LT19.08.2015
LV19.08.2015
NL19.08.2015
PL19.08.2015
RS19.08.2015
SE19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2016/20]AT19.08.2015
DK19.08.2015
FI19.08.2015
LT19.08.2015
LV19.08.2015
NL19.08.2015
PL19.08.2015
RS19.08.2015
SE19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2016/14]AT19.08.2015
FI19.08.2015
LT19.08.2015
LV19.08.2015
NL19.08.2015
PL19.08.2015
RS19.08.2015
SE19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2016/11]AT19.08.2015
FI19.08.2015
LT19.08.2015
LV19.08.2015
PL19.08.2015
RS19.08.2015
SE19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2016/10]FI19.08.2015
LT19.08.2015
LV19.08.2015
PL19.08.2015
RS19.08.2015
SE19.08.2015
NO19.11.2015
GR20.11.2015
IS19.12.2015
PT21.12.2015
Former [2016/09]FI19.08.2015
LT19.08.2015
LV19.08.2015
NO19.11.2015
GR20.11.2015
Former [2016/08]LT19.08.2015
NO19.11.2015
Former [2016/07]LT19.08.2015
Cited inInternational search[IY]   WANG XIN, YU C., SCHULZRINNE HENNING, STIRPE P., WU WEI: "IP Multicast Fault Recovery in PIM over OSPF", ACM, 2 PENN PLAZA, SUITE 701 - NEW YORK USA, 2000, pages 106 - 107, XP040113128 [I] 1-12,14-16,18-20 * the whole document * [Y] 13,17
 [A]   ESTRIN USC D FARINACCI CISCO A HELMY USC D THALER UMICH S DEERING XEROX M HANDLEY UCL V JACOBSON LBL C LIU USC P SHARMA USC L WEI: "Protocol Independent Multicast-Sparse Mode (PIM-SM): Protocol Specification; rfc2362.txt", 19980601, 1 June 1998 (1998-06-01), XP015008146, ISSN: 0000-0003 [A] 1-20 * page 28, paragraph 3.5 Assert - page 30, paragraph 3.5.2 Receiving Asserts *
 [YDA]   BOERS I WIJNANDS E ROSEN CISCO SYSTEMS A ET AL: "The Protocol Independent Multicast (PIM) Join Attribute Format; rfc5384.txt", THE PROTOCOL INDEPENDENT MULTICAST (PIM) JOIN ATTRIBUTE FORMAT; RFC5384.TXT, INTERNET ENGINEERING TASK FORCE, IETF; STANDARD, INTERNET SOCIETY (ISOC) 4, RUE DES FALAISES CH- 1205 GENEVA, SWITZERLAND, 1 November 2008 (2008-11-01), XP015060358 [YD] 17 * page 3, paragraph 3.1.Sending Join Attributes - page 8, paragraph 3.4.1. PIM Join Packet Format *[A] 1-16,18-20
 [Y]   ROLAND BLESS ET AL: "Advanced Quality-of-Service signaling for IP multicast", QUALITY OF SERVICE (IWQOS), 2011 IEEE 19TH INTERNATIONAL WORKSHOP ON, IEEE, 6 June 2011 (2011-06-06), pages 1 - 9, XP031951073, ISBN: 978-1-4577-0104-7, DOI: 10.1109/IWQOS.2011.5931345 [Y] 13 * page 1, paragraph Abstract *

DOI:   http://dx.doi.org/10.1109/IWQOS.2011.5931345
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.