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Extract from the Register of European Patents

EP About this file: EP2826201

EP2826201 - METHOD FOR SECURING MESSAGES [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  19.01.2024
Database last updated on 06.07.2024
FormerThe patent has been granted
Status updated on  05.04.2019
FormerGrant of patent is intended
Status updated on  11.10.2018
FormerExamination is in progress
Status updated on  18.11.2016
Most recent event   Tooltip19.01.2024Opposition rejectedpublished on 21.02.2024  [2024/08]
Applicant(s)For all designated states
BlackBerry Limited
2200 University Avenue East
Waterloo, ON N2K 0A7 / CA
[2019/48]
Former [2015/04]For all designated states
BlackBerry Limited
2200 University Avenue East
Waterloo, ON N2K 0A7 / CA
For all designated states
Certicom Corp.
4701 Tahoe Boulevard
Tahoe A, 6th Floor
Mississauga, Ontario L4W 0B5 / CA
Inventor(s)01 / BUCKLEY, Michael, Eoin
2550 W. Golf Road (East Tower)
Ext. 65840
Rolling Meadows Illinois 60008 / US
02 / CAMPAGNA, Matthew, John
264 Old Sib Road
Ridgefield Connecticut 06877 / US
03 / ZAVERUCHA, Gregory, Marc
4604 170th PL NE
Redmont Washington 98052 / US
 [2015/04]
Representative(s)Murgitroyd & Company
165-169 Scotland Street
Glasgow G5 8PL / GB
[N/P]
Former [2019/19]Gill Jennings & Every LLP
The Broadgate Tower
20 Primrose Street
London EC2A 2ES / GB
Former [2015/04]Finnie, Peter John
Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street
London EC2A 2ES / GB
Application number, filing date13714061.208.03.2013
[2019/19]
WO2013US29897
Priority number, dateUS201261611266P15.03.2012         Original published format: US 201261611266 P
US201361759224P31.01.2013         Original published format: US 201361759224 P
[2015/04]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2013138184
Date:19.09.2013
Language:EN
[2013/38]
Type: A1 Application with search report 
No.:EP2826201
Date:21.01.2015
Language:EN
The application published by WIPO in one of the EPO official languages on 19.09.2013 takes the place of the publication of the European patent application.
[2015/04]
Type: B1 Patent specification 
No.:EP2826201
Date:08.05.2019
Language:EN
[2019/19]
Search report(s)International search report - published on:EP19.09.2013
ClassificationIPC:H04L9/32
[2015/04]
CPC:
H04L9/3247 (EP,US); H04L63/12 (EP,US); H04L9/3252 (US);
H04L9/3263 (EP,US); H04W12/106 (EP,US); H04W4/90 (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 [2015/04]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:VERFAHREN ZUR SPEICHERUNG VON NACHRICHTEN[2015/04]
English:METHOD FOR SECURING MESSAGES[2015/04]
French:PROCÉDÉ PERMETTANT DE SÉCURISER DES MESSAGES[2015/04]
Entry into regional phase15.10.2014National basic fee paid 
15.10.2014Designation fee(s) paid 
15.10.2014Examination fee paid 
Examination procedure15.10.2014Amendment by applicant (claims and/or description)
15.10.2014Examination requested  [2015/04]
17.11.2016Despatch of a communication from the examining division (Time limit: M04)
07.02.2017Reply to a communication from the examining division
13.06.2017Despatch of a communication from the examining division (Time limit: M04)
27.09.2017Reply to a communication from the examining division
17.09.2018Cancellation of oral proceeding that was planned for 02.10.2018
02.10.2018Date of oral proceedings (cancelled)
12.10.2018Communication of intention to grant the patent
14.02.2019Fee for grant paid
14.02.2019Fee for publishing/printing paid
14.02.2019Receipt 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  17.11.2016
Opposition(s)Opponent(s)01  07.02.2020  11.02.2020  ADMISSIBLE
Infineon Technologies AG
Am Campeon 1-12
85579 Neubiberg / DE
Opponent's representative
K&L Gates LLP
Karolinen Karree
Karlstraße 12
80333 München / DE
 [2020/12]
25.02.2020Invitation to proprietor to file observations on the notice of opposition
25.06.2020Reply of patent proprietor to notice(s) of opposition
06.07.2021Date of oral proceedings
30.09.2021Despatch of minutes of oral proceedings
30.09.2021Date of despatch of rejection of opposition
24.11.2023Legal effect of rejection of opposition [2024/08]
Appeal following opposition06.12.2021Appeal received No.  T2117/21
06.12.2021Payment of appeal fee
04.02.2022Statement of grounds filed
24.11.2023Result of appeal procedure: appeal of the opponent was rejected
11.01.2024Despatch of the decision of the Board of Appeal
24.11.2023Date of oral proceedings
Fees paidRenewal fee
12.01.2015Renewal fee patent year 03
31.03.2016Renewal fee patent year 04
27.03.2017Renewal fee patent year 05
27.03.2018Renewal fee patent year 06
27.03.2019Renewal fee patent year 07
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  TooltipHU08.03.2013
AL08.05.2019
AT08.05.2019
CY08.05.2019
CZ08.05.2019
DK08.05.2019
EE08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
IT08.05.2019
LT08.05.2019
LV08.05.2019
MC08.05.2019
MK08.05.2019
MT08.05.2019
NL08.05.2019
PL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
SI08.05.2019
SK08.05.2019
SM08.05.2019
TR08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
IS08.09.2019
PT08.09.2019
IE08.03.2020
LU08.03.2020
BE31.03.2020
CH31.03.2020
LI31.03.2020
[2022/31]
Former [2022/30]HU08.03.2013
AL08.05.2019
AT08.05.2019
CY08.05.2019
CZ08.05.2019
DK08.05.2019
EE08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
IT08.05.2019
LT08.05.2019
LV08.05.2019
MC08.05.2019
MT08.05.2019
NL08.05.2019
PL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
SI08.05.2019
SK08.05.2019
SM08.05.2019
TR08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
IS08.09.2019
PT08.09.2019
IE08.03.2020
LU08.03.2020
BE31.03.2020
CH31.03.2020
LI31.03.2020
Former [2022/27]HU08.03.2013
AL08.05.2019
AT08.05.2019
CY08.05.2019
CZ08.05.2019
DK08.05.2019
EE08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
IT08.05.2019
LT08.05.2019
LV08.05.2019
MC08.05.2019
MT08.05.2019
NL08.05.2019
PL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
SI08.05.2019
SK08.05.2019
SM08.05.2019
TR08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
IE08.03.2020
LU08.03.2020
BE31.03.2020
CH31.03.2020
LI31.03.2020
Former [2021/12]AL08.05.2019
AT08.05.2019
CZ08.05.2019
DK08.05.2019
EE08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
IT08.05.2019
LT08.05.2019
LV08.05.2019
MC08.05.2019
NL08.05.2019
PL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
SI08.05.2019
SK08.05.2019
SM08.05.2019
TR08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
IE08.03.2020
LU08.03.2020
BE31.03.2020
CH31.03.2020
LI31.03.2020
Former [2021/07]AL08.05.2019
AT08.05.2019
CZ08.05.2019
DK08.05.2019
EE08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
IT08.05.2019
LT08.05.2019
LV08.05.2019
MC08.05.2019
NL08.05.2019
PL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
SI08.05.2019
SK08.05.2019
SM08.05.2019
TR08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
IE08.03.2020
LU08.03.2020
CH31.03.2020
LI31.03.2020
Former [2021/04]AL08.05.2019
AT08.05.2019
CZ08.05.2019
DK08.05.2019
EE08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
IT08.05.2019
LT08.05.2019
LV08.05.2019
MC08.05.2019
NL08.05.2019
PL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
SI08.05.2019
SK08.05.2019
SM08.05.2019
TR08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
LU08.03.2020
Former [2020/49]AL08.05.2019
AT08.05.2019
CZ08.05.2019
DK08.05.2019
EE08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
IT08.05.2019
LT08.05.2019
LV08.05.2019
MC08.05.2019
NL08.05.2019
PL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
SI08.05.2019
SK08.05.2019
SM08.05.2019
TR08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
Former [2020/25]AL08.05.2019
AT08.05.2019
CZ08.05.2019
DK08.05.2019
EE08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
IT08.05.2019
LT08.05.2019
LV08.05.2019
NL08.05.2019
PL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
SI08.05.2019
SK08.05.2019
SM08.05.2019
TR08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
Former [2020/17]AL08.05.2019
AT08.05.2019
CZ08.05.2019
DK08.05.2019
EE08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
IT08.05.2019
LT08.05.2019
LV08.05.2019
NL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
SK08.05.2019
SM08.05.2019
TR08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
Former [2020/14]AL08.05.2019
AT08.05.2019
CZ08.05.2019
DK08.05.2019
EE08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
IT08.05.2019
LT08.05.2019
LV08.05.2019
NL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
SK08.05.2019
SM08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
Former [2020/12]AL08.05.2019
AT08.05.2019
CZ08.05.2019
DK08.05.2019
EE08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
IT08.05.2019
LT08.05.2019
LV08.05.2019
NL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
SK08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
Former [2020/11]AL08.05.2019
AT08.05.2019
CZ08.05.2019
DK08.05.2019
EE08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
LT08.05.2019
LV08.05.2019
NL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
SK08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
Former [2020/10]AL08.05.2019
AT08.05.2019
CZ08.05.2019
DK08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
LT08.05.2019
LV08.05.2019
NL08.05.2019
RO08.05.2019
RS08.05.2019
SE08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
Former [2020/09]AL08.05.2019
CZ08.05.2019
DK08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
LT08.05.2019
LV08.05.2019
NL08.05.2019
RS08.05.2019
SE08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
Former [2019/51]AL08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
LT08.05.2019
LV08.05.2019
NL08.05.2019
RS08.05.2019
SE08.05.2019
BG08.08.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
Former [2019/50]AL08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
LT08.05.2019
LV08.05.2019
NL08.05.2019
RS08.05.2019
SE08.05.2019
NO08.08.2019
GR09.08.2019
PT08.09.2019
Former [2019/49]AL08.05.2019
ES08.05.2019
FI08.05.2019
HR08.05.2019
LT08.05.2019
NL08.05.2019
SE08.05.2019
NO08.08.2019
PT08.09.2019
Former [2019/48]ES08.05.2019
FI08.05.2019
LT08.05.2019
SE08.05.2019
NO08.08.2019
PT08.09.2019
Former [2019/47]ES08.05.2019
FI08.05.2019
LT08.05.2019
NO08.08.2019
Cited inInternational search[XY]EP2117200  (NTT DOCOMO INC [JP]) [X] 1-6,9-16,19-21 * paragraphs [0037] - [0041]; figure 1 * [Y] 7,8,17,18;
 [Y]  - 3GPP, "3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Public Warning System (PWS) requirements (Release 11)", 3GPP DRAFT; Z_22268-B40, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, (20120314), XP050623375 [Y] 1-21 * title section 4.8 *
 [Y]  - STRUIK ET AL, "SEC 4: Elliptic Curve Qu-Vanstone Implicit Certificate Scheme (ECQV), v0.91", INTERNET CITATION, (20081118), page 22pp, URL: http://www.secg.org/download/aid-775/sec4-ECQV-v091.pdf, (20100818), XP007914511 [Y] 1-8,10-18,20,21 * the whole document *
 [Y]  - JOHNSON D ET AL, "The Elliptic Curve Digital Signature Algorithm (ECDSA)", INTERNATIONAL JOURNAL OF INFORMATION SECURITY (IJIS), SPRINGER, HEIDELBERG, DE, (20010727), vol. 1, no. 1, doi:10.1007/S102070100002, ISSN 1615-5262, pages 36 - 63, XP009123085 [Y] 1-6,9-16,19-21 * the whole document *

DOI:   http://dx.doi.org/10.1007/s102070100002
 [Y]  - "Standard Specifications for Public Key Cryptography: Pintsov-Vanstone Signatures with Message Recovery", no. P1636a / D2, (20000120), pages 1 - 9, IEEE P1363A/D2, URL: http://grouper.ieee.org/groups/1363/P1363a/contributions/PVSSR.pdf, (20100519), XP002582966 [Y] 1-6,9-16,19-21 * the whole document *
 [Y]  - Alfred J. Menezes ET AL, "Handbook of Applied Cryptography, Chapter 11 - Digital Signatures", Handbook of Applied Cryptography, CRC Press, (19970101), pages 425 - 488, XP055037114 [Y] 1-6,9-16,19-21 * section 11.5.3 *
ExaminationUS7283045
OppositionEP2117200
 US7283045
 WO9949612
    - STRUIK et al., SEC 4: Elliptic Curve Qu-Vanstone Implicit Certificate Scheme (ECQV), v0.91, (20081118), XP007914511
    - JOHNSON D et al., "The Elliptic Curve Digital Signature Algorithm (ECDSA", INTERNATIONAL JOURNAL OF INFORMATION SECURITY (IJIS, HEIDELBERG, (20010801), vol. 1, no. 1, doi:10.1007/s102070100002, ISSN 1615-5262, pages 36 - 63, XP009123085

DOI:   http://dx.doi.org/10.1007/s102070100002
    - "Standard Specifications for Public Key Cryptography: Pintsov- Vanstone Signatures with Message Recovery", IEEE P1363A/D2, (20100519), pages 1 - 9
    - ALFRED J. MENEZES et al., "Handbook of Applied Cryptography, Chapter 11 - Digital Signatures", Handbook of Applied Cryptography, (19970000), pages 425 - 488
    - DANIEL R.L. BROWN et al., "Provable Secure Implicit Certificate Schemes , FC 2001", LNCS, (20020000), vol. 2339, pages 156 - 165, XP002524293
    - FIPS PUB 186-3, Digital Signature Standard (DSS), National Institute of Standards and Technology (NIST
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.