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

Extract from the Register of European Patents

EP About this file: EP3758281

EP3758281 - FAST XMSS SIGNATURE VERIFICATION AND NONCE SAMPLING PROCESS WITHOUT SIGNATURE EXPANSION [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  02.08.2024
Database last updated on 02.11.2024
FormerThe patent has been granted
Status updated on  25.08.2023
FormerGrant of patent is intended
Status updated on  25.04.2023
FormerExamination is in progress
Status updated on  12.03.2021
FormerRequest for examination was made
Status updated on  27.11.2020
Most recent event   Tooltip01.11.2024Lapse of the patent in a contracting state
New state(s): SI
published on 04.12.2024 [2024/49]
Applicant(s)For all designated states
Intel Corporation
2200 Mission College Boulevard
Santa Clara, CA 95054 / US
[2021/01]
Inventor(s)01 / WHEELER, David
5000 W. Chandler Blvd
Chandler, AZ Arizona 85226 / US
02 / SASTRY, Manoj
4006 NW Riggs Drive
Portland, OR Oregon 97229 / US
03 / GHOSH, Santosh
7638 NE Prefontaine St
Hillsboro, OR Oregon 97124 / US
04 / SURESH, Vikram
15850 NW Trakehner Way
Portland, OR Oregon 97229 / US
05 / MISOCZKI, Rafael
260 NE 66th Avenue
Hillsboro, OR Oregon 97124 / US
 [2021/01]
Representative(s)Maiwald GmbH
Elisenhof
Elisenstraße 3
80335 München / DE
[2023/39]
Former [2021/01]Maiwald Patent- und Rechtsanwaltsgesellschaft mbH
Elisenhof
Elisenstraße 3
80335 München / DE
Application number, filing date20161899.809.03.2020
[2021/01]
Priority number, dateUS20191645596728.06.2019         Original published format: US201916455967
[2021/01]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3758281
Date:30.12.2020
Language:EN
[2020/53]
Type: B1 Patent specification 
No.:EP3758281
Date:27.09.2023
Language:EN
[2023/39]
Search report(s)(Supplementary) European search report - dispatched on:EP20.08.2020
ClassificationIPC:H04L9/32
[2021/01]
CPC:
H04L9/3247 (EP,CN,US); H04L9/0643 (CN,US); H04L9/0662 (US);
H04L9/0825 (CN); H04L9/0869 (CN); H04L9/3239 (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 [2021/01]
TitleGerman:VERFAHREN ZUR SCHNELLEN VERIFIZIERUNG VON XMSS-SIGNATUREN UND NONCE-ABTASTUNG OHNE SIGNATURERWEITERUNG[2021/01]
English:FAST XMSS SIGNATURE VERIFICATION AND NONCE SAMPLING PROCESS WITHOUT SIGNATURE EXPANSION[2021/01]
French:VÉRIFICATION RAPIDE DE SIGNATURE XMSS ET PROCÉDÉ D'ÉCHANTILLONNAGE NONCE SANS EXPANSION DE SIGNATURE[2021/01]
Examination procedure15.09.2020Amendment by applicant (claims and/or description)
15.09.2020Examination requested  [2020/53]
15.09.2020Date on which the examining division has become responsible
16.03.2021Despatch of a communication from the examining division (Time limit: M04)
12.07.2021Reply to a communication from the examining division
26.04.2023Communication of intention to grant the patent
18.08.2023Fee for grant paid
18.08.2023Fee for publishing/printing paid
18.08.2023Receipt of the translation of the claim(s)
Opposition(s)28.06.2024No opposition filed within time limit [2024/36]
Fees paidRenewal fee
31.12.2021Renewal fee patent year 03
27.02.2023Renewal 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  TooltipAT27.09.2023
CZ27.09.2023
DK27.09.2023
EE27.09.2023
ES27.09.2023
FI27.09.2023
HR27.09.2023
IT27.09.2023
LT27.09.2023
LV27.09.2023
PL27.09.2023
RO27.09.2023
RS27.09.2023
SE27.09.2023
SI27.09.2023
SK27.09.2023
SM27.09.2023
NO27.12.2023
GR28.12.2023
IS27.01.2024
PT29.01.2024
[2024/49]
Former [2024/33]AT27.09.2023
CZ27.09.2023
DK27.09.2023
EE27.09.2023
ES27.09.2023
FI27.09.2023
HR27.09.2023
IT27.09.2023
LT27.09.2023
LV27.09.2023
PL27.09.2023
RO27.09.2023
RS27.09.2023
SE27.09.2023
SK27.09.2023
SM27.09.2023
NO27.12.2023
GR28.12.2023
IS27.01.2024
PT29.01.2024
Former [2024/26]AT27.09.2023
CZ27.09.2023
EE27.09.2023
ES27.09.2023
FI27.09.2023
HR27.09.2023
IT27.09.2023
LT27.09.2023
LV27.09.2023
PL27.09.2023
RO27.09.2023
RS27.09.2023
SE27.09.2023
SK27.09.2023
SM27.09.2023
NO27.12.2023
GR28.12.2023
IS27.01.2024
PT29.01.2024
Former [2024/25]AT27.09.2023
CZ27.09.2023
EE27.09.2023
ES27.09.2023
FI27.09.2023
HR27.09.2023
LT27.09.2023
LV27.09.2023
PL27.09.2023
RO27.09.2023
RS27.09.2023
SE27.09.2023
SK27.09.2023
SM27.09.2023
NO27.12.2023
GR28.12.2023
IS27.01.2024
PT29.01.2024
Former [2024/23]AT27.09.2023
CZ27.09.2023
EE27.09.2023
ES27.09.2023
FI27.09.2023
HR27.09.2023
LT27.09.2023
LV27.09.2023
RO27.09.2023
RS27.09.2023
SE27.09.2023
SK27.09.2023
SM27.09.2023
NO27.12.2023
GR28.12.2023
IS27.01.2024
PT29.01.2024
Former [2024/20]FI27.09.2023
HR27.09.2023
LT27.09.2023
LV27.09.2023
RS27.09.2023
SE27.09.2023
SM27.09.2023
NO27.12.2023
GR28.12.2023
IS27.01.2024
Former [2024/10]FI27.09.2023
HR27.09.2023
LT27.09.2023
LV27.09.2023
RS27.09.2023
SE27.09.2023
NO27.12.2023
GR28.12.2023
Former [2024/09]FI27.09.2023
LT27.09.2023
SE27.09.2023
NO27.12.2023
GR28.12.2023
Former [2024/08]LT27.09.2023
NO27.12.2023
GR28.12.2023
Documents cited:Search[XI]US2018091309  (MISOCZKI RAFAEL [US], et al) [X] 1,8 * abstract * * paragraphs [0008] - [0020] * [I] 2-7,9-14;
 [A]  - YAVUZ ATTILA ALTAY ET AL, "Real-Time Digital Signatures for Time-Critical Networks", IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY, IEEE, PISCATAWAY, NJ, US, vol. 12, no. 11, doi:10.1109/TIFS.2017.2716911, ISSN 1556-6013, (20171101), pages 2627 - 2639, (20170725), XP011660596 [A] 1-14 * abstract * * Chapter I. "Introduction" *

DOI:   http://dx.doi.org/10.1109/TIFS.2017.2716911
Examination   - PERIN LUCAS PANDOLFO ET AL, "Tuning the Winternitz hash-based digital signature scheme", 2018 IEEE SYMPOSIUM ON COMPUTERS AND COMMUNICATIONS (ISCC), IEEE, (20180625), doi:10.1109/ISCC.2018.8538642, pages 537 - 542, XP033448644

DOI:   http://dx.doi.org/10.1109/ISCC.2018.8538642
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.