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

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
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: EP2176989

EP2176989 - METHOD OF PREVENTING TCP-BASED DENIAL-OF-SERVICE ATTACKS ON MOBILE DEVICES [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.04.2016
Database last updated on 05.10.2024
Most recent event   Tooltip13.10.2017Lapse of the patent in a contracting state
New state(s): CY, HU, NL, SE, TR		published on 15.11.2017  [2017/46]
Applicant(s)For all designated states
Samsung SDS Co., Ltd.
West Campus
Samsung SDS Tower
125, Olympic-ro 35-gil
Songpa-gu
Seoul / KR
[2015/35]
Former [2015/25]For all designated states
Samsung SDS Co. Ltd.
Irok Bldg.
707-19 Yeoksam 2-dong
Gangnam-gu
Seoul 135-918 / KR
Former [2010/16]For all designated states
Samsung SDS Co. Ltd.
Irok Bldg. 707-19 Yeoksam 2-dong Ganguam-gu
Seoul 135-918 / KR
Inventor(s)01 / YOO, In Seon
1/731 Sejong Grancia 187-2
Gumi-Dong
Bundang-Gu
Seongnam-si Gyeonggi-do 463-810 / KR
 [2015/25]
Former [2010/16]01 / YOO, In Seon
1/731 Sejong Grancia 187-2 Gumi-Dong Bundang-Gu
Seongnam-si Gyeonggi-do 463-810 / KR
Representative(s)Becker Kurig & Partner Patentanwälte mbB
Bavariastraße 7
80336 München / DE
[N/P]
Former [2015/25]Becker Kurig Straus
Patentanwälte
Bavariastrasse 7
80336 München / DE
Former [2010/16]Becker Kurig Straus
Patentanwälte Bavariastrasse 7
80336 München / DE
Application number, filing date07808231.014.09.2007
[2010/16]
WO2007KR04440
Priority number, dateKR2007007963708.08.2007         Original published format: KR 20070079637
[2010/16]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2009020255
Date:12.02.2009
Language:EN
[2009/07]
Type: A1 Application with search report 
No.:EP2176989
Date:21.04.2010
Language:EN
The application published by WIPO in one of the EPO official languages on 12.02.2009 takes the place of the publication of the European patent application.
[2010/16]
Type: B1 Patent specification 
No.:EP2176989
Date:17.06.2015
Language:EN
[2015/25]
Search report(s)International search report - published on:KR12.02.2009
(Supplementary) European search report - dispatched on:EP04.02.2014
ClassificationIPC:H04L12/22
[2010/16]
CPC:
H04L63/1458 (EP,KR,US); H04L69/16 (EP,KR,US); H04W12/126 (EP,US);
Y02D30/70 (EP,US)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MT,   NL,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2015/25]
Former [2010/16]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IS,  IT,  LI,  LT,  LU,  LV,  MC,  MT,  NL,  PL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:VERFAHREN ZUM VERHINDERN VON AUF TCP BASIERENDEN DENIAL-OF-SERVICE-ATTACKEN AUF MOBILGERÄTE[2010/16]
English:METHOD OF PREVENTING TCP-BASED DENIAL-OF-SERVICE ATTACKS ON MOBILE DEVICES[2010/16]
French:PROCÉDÉ DE PRÉVENTION D'ATTAQUES DE REFUS DE SERVICE BASÉES SUR TCP SUR DES DISPOSITIFS MOBILES[2010/16]
Entry into regional phase02.02.2010National basic fee paid 
02.02.2010Search fee paid 
02.02.2010Designation fee(s) paid 
02.02.2010Examination fee paid 
Examination procedure02.02.2010Examination requested  [2010/16]
14.08.2014Amendment by applicant (claims and/or description)
28.01.2015Communication of intention to grant the patent
06.05.2015Fee for grant paid
06.05.2015Fee for publishing/printing paid
06.05.2015Receipt 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  28.01.2015
Opposition(s)18.03.2016No opposition filed within time limit [2016/21]
Fees paidRenewal fee
02.02.2010Renewal fee patent year 03
29.09.2010Renewal fee patent year 04
29.09.2011Renewal fee patent year 05
26.09.2012Renewal fee patent year 06
27.09.2013Renewal fee patent year 07
25.09.2014Renewal fee patent year 08
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  TooltipHU14.09.2007
AT17.06.2015
CY17.06.2015
CZ17.06.2015
DK17.06.2015
EE17.06.2015
ES17.06.2015
FI17.06.2015
IT17.06.2015
LT17.06.2015
LV17.06.2015
MC17.06.2015
MT17.06.2015
NL17.06.2015
PL17.06.2015
RO17.06.2015
SE17.06.2015
SI17.06.2015
SK17.06.2015
TR17.06.2015
IE14.09.2015
LU14.09.2015
BG17.09.2015
GR18.09.2015
CH30.09.2015
FR30.09.2015
LI30.09.2015
IS17.10.2015
PT19.10.2015
[2017/39]
Former [2017/21]AT17.06.2015
CZ17.06.2015
DK17.06.2015
EE17.06.2015
ES17.06.2015
FI17.06.2015
IT17.06.2015
LT17.06.2015
LV17.06.2015
MC17.06.2015
MT17.06.2015
PL17.06.2015
RO17.06.2015
SI17.06.2015
SK17.06.2015
IE14.09.2015
LU14.09.2015
BG17.09.2015
GR18.09.2015
CH30.09.2015
FR30.09.2015
LI30.09.2015
IS17.10.2015
PT19.10.2015
Former [2016/36]AT17.06.2015
CZ17.06.2015
DK17.06.2015
EE17.06.2015
ES17.06.2015
FI17.06.2015
IT17.06.2015
LT17.06.2015
LV17.06.2015
MC17.06.2015
PL17.06.2015
RO17.06.2015
SI17.06.2015
SK17.06.2015
IE14.09.2015
LU14.09.2015
BG17.09.2015
GR18.09.2015
CH30.09.2015
FR30.09.2015
LI30.09.2015
IS17.10.2015
PT19.10.2015
Former [2016/33]AT17.06.2015
CZ17.06.2015
DK17.06.2015
EE17.06.2015
ES17.06.2015
FI17.06.2015
IT17.06.2015
LT17.06.2015
LV17.06.2015
MC17.06.2015
PL17.06.2015
RO17.06.2015
SK17.06.2015
IE14.09.2015
LU14.09.2015
BG17.09.2015
GR18.09.2015
CH30.09.2015
LI30.09.2015
IS17.10.2015
PT19.10.2015
Former [2016/23]AT17.06.2015
CZ17.06.2015
DK17.06.2015
EE17.06.2015
ES17.06.2015
FI17.06.2015
IT17.06.2015
LT17.06.2015
LV17.06.2015
MC17.06.2015
PL17.06.2015
RO17.06.2015
SK17.06.2015
LU14.09.2015
BG17.09.2015
GR18.09.2015
IS17.10.2015
PT19.10.2015
Former [2016/21]AT17.06.2015
CZ17.06.2015
DK17.06.2015
EE17.06.2015
ES17.06.2015
FI17.06.2015
IT17.06.2015
LT17.06.2015
LV17.06.2015
PL17.06.2015
RO17.06.2015
SK17.06.2015
LU14.09.2015
BG17.09.2015
GR18.09.2015
IS17.10.2015
PT19.10.2015
Former [2016/20]AT17.06.2015
CZ17.06.2015
DK17.06.2015
EE17.06.2015
ES17.06.2015
FI17.06.2015
LT17.06.2015
LV17.06.2015
PL17.06.2015
RO17.06.2015
SK17.06.2015
BG17.09.2015
GR18.09.2015
IS17.10.2015
PT19.10.2015
Former [2016/11]AT17.06.2015
CZ17.06.2015
EE17.06.2015
ES17.06.2015
FI17.06.2015
LT17.06.2015
LV17.06.2015
PL17.06.2015
RO17.06.2015
SK17.06.2015
BG17.09.2015
GR18.09.2015
IS17.10.2015
PT19.10.2015
Former [2016/10]CZ17.06.2015
EE17.06.2015
ES17.06.2015
FI17.06.2015
LT17.06.2015
LV17.06.2015
PL17.06.2015
RO17.06.2015
SK17.06.2015
BG17.09.2015
GR18.09.2015
IS17.10.2015
PT19.10.2015
Former [2016/09]EE17.06.2015
FI17.06.2015
LT17.06.2015
LV17.06.2015
BG17.09.2015
GR18.09.2015
Former [2015/50]FI17.06.2015
LT17.06.2015
LV17.06.2015
BG17.09.2015
GR18.09.2015
Former [2015/49]FI17.06.2015
LT17.06.2015
LV17.06.2015
GR18.09.2015
Documents cited:Search[A]US2006190720  (OZAKI HIROTSUGU [JP], et al) [A] 1-11 * paragraph [0151] - paragraph [0176] *;
 [A]WO2006082507  (NOKIA CORP [FI], et al) [A] 1-11 * paragraph [0065] - paragraph [0070] *
 [IA]  - DOUGLAS E COMER, "Internetworking With TCP/IP, Vol I: Principles, Protocols, and Architecture; Fourth edition; Chapter 13 - TCP", INTERNETWORKING WITH TCP/IP: PRINCIPLES, PROTOCOLS ANDARCHITECTURE, PRENTICE-HALL, ENGLEWOOD CLIFFS, NJ, US, (20000101), pages 209 - 251, XP002310034 [I] 1-3 * Section 13.23 Establishing a TCP Connection Section 13.26 Connection Reset * [A] 4-11
 [IA]  - BRUSCHI D ET AL, "DISARMING OFFENSE TO FACILITATE DEFENSE", PROCEEDINGS OF THE NEW SECURITY PARADIGMS WORKSHOP. (NSPW). BALLYCOTTON, COUNTY CORK, IRELAND, SEPT. 18 - 22, 2000; [NEW SECURITY PARADIGMS WORKSHOP], NEW YORK, NY : ACM, US, (20000918), doi:10.1145/366173.366192, ISBN 978-1-58113-260-1, pages 69 - 75, XP000988603 [I] 6-8 * Section 3.2 Uncompleted Connections * [A] 1-5,9-11

DOI:   http://dx.doi.org/10.1145/366173.366192
 [I]  - SCHUBA C L ET AL, "Analysis of a denial of service attack on TCP", SECURITY AND PRIVACY, 1997. PROCEEDINGS., 1997 IEEE SYMPOSIUM ON OAKLAND, CA, USA 4-7 MAY 1997, LOS ALAMITOS, CA, USA,IEEE COMPUT. SOC, US, (19970504), doi:10.1109/SECPRI.1997.601338, ISBN 978-0-8186-7828-8, pages 208 - 223, XP010230160 [I] 4-11 * Section 2.2.3 TCP Connection Establishment *

DOI:   http://dx.doi.org/10.1109/SECPRI.1997.601338
International search[A]US2006230129  (SWAMI YOGESH P [US], et al) [A] 1-11 * See abstract; figures 1A, 2-5; claims 1-4. *;
 [A]US2006229022  (BU TIAN [US], et al) [A] 1, 4, 5, 6, 9, 11 * See abstract; figures 2, 3,4; claims 1, 9, 10. *;
 [A]US2006230450  (BU TIAN [US], et al) [A] 1, 4, 5, 6, 9, 11 * See abstract; claims 13-17, 20. *;
 [A]US2003084321  (TARQUINI RICHARD PAUL [US], et al) [A] 1, 4, 5, 6, 9, 11 * See abstract; claims 1-3. *
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.