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: EP3001401

EP3001401 - DECODING DEVICE, DECODING ABILITY PROVIDING DEVICE, METHOD THEREOF, AND PROGRAM [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  17.11.2017
Database last updated on 11.05.2024
Most recent event   Tooltip06.05.2024New entry: Date of oral proceedings 
Applicant(s)For all designated states
Nippon Telegraph And Telephone Corporation
5-1, Otemachi 1-chome
Chiyoda-ku
Tokyo 1008116 / JP
[2016/13]
Inventor(s)01 / YOSHIDA, Reo
c/o NTT Intellectual Property Center
9-11, Midori-cho 3-chome
Musashino-shi Tokyo 180-8585 / JP
02 / YAMAMOTO, Go
c/o NTT Intellectual Property Center
9-11, Midori-cho 3-chome
Musashino-shi Tokyo 180-8585 / JP
03 / KOBAYASHI, Tetsutaro
c/o NTT Intellectual Property Center
9-11, Midori-cho 3-chome
Musashino-shi Tokyo 180-8585 / JP
 [2016/13]
Representative(s)MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB
Paul-Heyse-Strasse 29
80336 München / DE
[2016/13]
Application number, filing date14826053.230.06.2014
[2016/13]
WO2014JP67352
Priority number, dateJP2013014915618.07.2013         Original published format: JP 2013149156
[2016/13]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2015008607
Date:22.01.2015
Language:JA
[2015/03]
Type: A1 Application with search report 
No.:EP3001401
Date:30.03.2016
Language:EN
[2016/13]
Search report(s)International search report - published on:JP22.01.2015
(Supplementary) European search report - dispatched on:EP20.02.2017
ClassificationIPC:G09C1/00, H04L9/08
[2016/13]
CPC:
G09C1/00 (EP,US); H04L9/008 (EP,US); H04L9/0819 (EP,US);
H04L2209/60 (EP,US); H04L2209/76 (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 [2016/13]
TitleGerman:DECODIERUNGSVORRICHTUNG, VORRICHTUNG ZUR BEREITSTELLUNG VON DECODIERUNGSKAPAZITÄTEN, VERFAHREN DAFÜR UND PROGRAMM[2016/13]
English:DECODING DEVICE, DECODING ABILITY PROVIDING DEVICE, METHOD THEREOF, AND PROGRAM[2016/13]
French:DISPOSITIF DE DÉCODAGE, DISPOSITIF DE FOURNITURE DE CAPACITÉ DE DÉCODAGE, PROCÉDÉ ASSOCIÉ, ET PROGRAMME[2016/13]
Entry into regional phase22.12.2015Translation filed 
22.12.2015National basic fee paid 
22.12.2015Search fee paid 
22.12.2015Designation fee(s) paid 
22.12.2015Examination fee paid 
Examination procedure22.12.2015Examination requested  [2016/13]
17.08.2017Amendment by applicant (claims and/or description)
21.11.2017Despatch of a communication from the examining division (Time limit: M04)
29.03.2018Reply to a communication from the examining division
15.06.2018Despatch of a communication from the examining division (Time limit: M04)
24.10.2018Reply to a communication from the examining division
05.02.2019Despatch of communication that the application is refused, reason: substantive examination {1}
Appeal following examination12.04.2019Appeal received No.  T1905/19
14.06.2019Statement of grounds filed
24.04.2025Date of oral proceedings
Fees paidRenewal fee
30.03.2016Renewal fee patent year 03
30.06.2017Renewal fee patent year 04
02.07.2018Renewal fee patent year 05
01.07.2019Renewal fee patent year 06
31.03.2020Renewal fee patent year 07
30.06.2021Renewal fee patent year 08
30.06.2022Renewal fee patent year 09
30.06.2023Renewal fee patent year 10
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.
Documents cited:Search[YD]WO2012121152  (NIPPON TELEGRAPH & TELEPHONE [JP], et al) [YD] 1-14 * the whole document *
 [XY]  - YUTO KAWAHARA ET AL, "Pairing Ango System ni Okeru Jiko Teisei o Mochiita Fukugo Module no Kosei Oyobi Jisso [Implementation of Decryption with Self-corrector in Pairing-based Cryptosystems]", 2011 NEN SYMPOSIUM ON CRYPTOGRAPHY AND INFORMATION SECURITY; THE 2011 SYMPOSIUM ON CRYPTOGRAPHY AND INFORMATION SECURITY; KOKURA, JAPAN; 25-28/01/2011, IEICE, JP, (20110125), pages 1 - 8, XP008172390 [X] 1-14 * sections 3 and 4; algorithms 1 and 2 * [Y] 1-14
 [Y]  - David Galindo ET AL, "The security of PSEC-KEM versus ECIES-KEM", Twenty-sixth Symposium on Information Theory in the Benelux : Brussels, Belgium, May 19-20, 2005, (20050421), pages 17 - 27, URL: http://www.dgalindo.es/kemsFullBenelux.pdf, (20170209), XP055344300 [Y] 1-14 * page 6; figure 1 *
 [Y]  - VICTOR SHOUP, "ISO/IEC 18033-2 information technology-security techniques-encryption algorithms-part 2:2006 asymmetric ciphers", INTERNATIONAL STANDARD, ISO/IEC, (20060101), vol. ISO/IEC 18033-2, pages i - 125, XP009190859 [Y] 1-14 * section 8 *
International search[A]JP2012212031  (NIPPON TELEGRAPH AND TELEPHONE CORP.);
 [A]US2005066174  (RADIA J. PERLMAN)
 [X]  - YUTO KAWAHARA ET AL., "Pairing Ango System ni Okeru Jiko Teisei o Mochiita Fukugo Module no Kosei Oyobi Jisso", 2011 NEN SYMPOSIUM ON CRYPTOGRAPHY AND INFORMATION SECURITY (SCIS2011, (20110125), pages 2F1 - 2, XP008172390
by applicantWO2012057134
 WO2011086992
 WO2012121152
    - "Information technology - Security techniques - Encryption algorithms -Part 2:Asymmetric ciphers", INTERNATIONAL STANDARD ISO/IEC 18033-2
    - "Identity-Based Encryption from the Weil Pairing", D. BONEH; M. FRANLDIN, Adv. in Cryptology | Crypto 2001, LNCS, SPRINGER-VERLAG, (2001), vol. 2139, pages 213 - 229
    - SIAM J. COMPUTING, (2003), vol. 32, no. 3, pages 586 - 615
    - DAN BONEHL; JONATHAN KATZ, "Improved Efficiency for CCA-Secure Cryptosystems Built Using Identity-Based Encryption", PROCEEDINGS OFRSA-CT '05, LNCS, (2005), vol. 3376, pages 87 - 103
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.