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Extract from the Register of European Patents

EP About this file: EP4252106

EP4252106 - RANDOM NUMBER GENERATION [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  06.12.2024
Database last updated on 14.03.2026
FormerThe patent has been granted
Status updated on  29.12.2023
FormerGrant of patent is intended
Status updated on  13.08.2023
FormerThe international publication has been made
Status updated on  04.06.2022
Formerunknown
Status updated on  28.12.2021
Most recent event   Tooltip13.03.2026Lapse of the patent in a contracting state
New state(s): HU		published on 15.04.2026 [2026/16]
Applicant(s)For all designated states
PQshield Ltd
Prama House
267 Banbury Road
Oxford, Oxfordshire OX2 7HT / GB
[2023/40]
Inventor(s)01 / SAARINEN, Markku-Juhani Olavi
Oxford Oxfordshire OX2 7HT / GB
 [2023/40]
Representative(s)EIP
Fairfax House
15 Fulwood Place
London WC1V 6HU / GB
[2023/40]
Application number, filing date21827407.426.11.2021
[2023/40]
WO2021GB53088
Priority number, dateGB2020001865026.11.2020         Original published format: GB 202018650
GB2020002061424.12.2020         Original published format: GB 202020614
[2023/40]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022112788
Date:02.06.2022
Language:EN
[2022/22]
Type: A1 Application with search report 
No.:EP4252106
Date:04.10.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 02.06.2022 takes the place of the publication of the European patent application.
[2023/40]
Type: B1 Patent specification 
No.:EP4252106
Date:31.01.2024
Language:EN
[2024/05]
Search report(s)International search report - published on:EP02.06.2022
ClassificationIPC:G06F7/58
[2023/40]
CPC:
G06F7/58 (EP)
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 [2023/40]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:ZUFALLSZAHLENERZEUGUNG[2023/40]
English:RANDOM NUMBER GENERATION[2023/40]
French:GÉNÉRATION DE NOMBRE ALÉATOIRE[2023/40]
Entry into regional phase26.06.2023National basic fee paid 
26.06.2023Designation fee(s) paid 
26.06.2023Examination fee paid 
Examination procedure23.06.2023Amendment by applicant (claims and/or description)
26.06.2023Examination requested  [2023/40]
26.06.2023Date on which the examining division has become responsible
14.08.2023Communication of intention to grant the patent
18.12.2023Fee for grant paid
18.12.2023Fee for publishing/printing paid
18.12.2023Receipt of the translation of the claim(s)
Opposition(s)01.11.2024No opposition filed within time limit [2025/02]
Fees paidRenewal fee
24.11.2023Renewal fee patent year 03
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  TooltipHU26.11.2021
AT31.01.2024
BG31.01.2024
CZ31.01.2024
DK31.01.2024
EE31.01.2024
ES31.01.2024
HR31.01.2024
IT31.01.2024
LT31.01.2024
LV31.01.2024
MC31.01.2024
PL31.01.2024
RO31.01.2024
SE31.01.2024
SI31.01.2024
SK31.01.2024
SM31.01.2024
NO30.04.2024
RS30.04.2024
GR01.05.2024
IS31.05.2024
PT31.05.2024
[2026/16]
Former [2025/33]AT31.01.2024
BG31.01.2024
CZ31.01.2024
DK31.01.2024
EE31.01.2024
ES31.01.2024
HR31.01.2024
IT31.01.2024
LT31.01.2024
LV31.01.2024
MC31.01.2024
PL31.01.2024
RO31.01.2024
SE31.01.2024
SI31.01.2024
SK31.01.2024
SM31.01.2024
NO30.04.2024
RS30.04.2024
GR01.05.2024
IS31.05.2024
PT31.05.2024
Former [2025/23]AT31.01.2024
BG31.01.2024
CZ31.01.2024
DK31.01.2024
EE31.01.2024
ES31.01.2024
HR31.01.2024
IT31.01.2024
LT31.01.2024
LV31.01.2024
PL31.01.2024
RO31.01.2024
SE31.01.2024
SI31.01.2024
SK31.01.2024
SM31.01.2024
NO30.04.2024
RS30.04.2024
GR01.05.2024
IS31.05.2024
PT31.05.2024
Former [2025/02]AT31.01.2024
BG31.01.2024
CZ31.01.2024
DK31.01.2024
EE31.01.2024
ES31.01.2024
HR31.01.2024
IT31.01.2024
LT31.01.2024
LV31.01.2024
PL31.01.2024
RO31.01.2024
SE31.01.2024
SK31.01.2024
SM31.01.2024
NO30.04.2024
RS30.04.2024
GR01.05.2024
IS31.05.2024
PT31.05.2024
Former [2024/50]AT31.01.2024
BG31.01.2024
CZ31.01.2024
DK31.01.2024
EE31.01.2024
ES31.01.2024
HR31.01.2024
LT31.01.2024
LV31.01.2024
PL31.01.2024
RO31.01.2024
SE31.01.2024
SK31.01.2024
SM31.01.2024
NO30.04.2024
RS30.04.2024
GR01.05.2024
IS31.05.2024
PT31.05.2024
Former [2024/48]AT31.01.2024
BG31.01.2024
CZ31.01.2024
DK31.01.2024
EE31.01.2024
ES31.01.2024
HR31.01.2024
LT31.01.2024
LV31.01.2024
PL31.01.2024
SE31.01.2024
SM31.01.2024
NO30.04.2024
RS30.04.2024
GR01.05.2024
IS31.05.2024
PT31.05.2024
Former [2024/37]AT31.01.2024
BG31.01.2024
ES31.01.2024
HR31.01.2024
LT31.01.2024
LV31.01.2024
PL31.01.2024
SE31.01.2024
NO30.04.2024
RS30.04.2024
GR01.05.2024
IS31.05.2024
PT31.05.2024
Former [2024/36]AT31.01.2024
BG31.01.2024
ES31.01.2024
HR31.01.2024
LT31.01.2024
LV31.01.2024
PL31.01.2024
NO30.04.2024
RS30.04.2024
GR01.05.2024
IS31.05.2024
PT31.05.2024
Former [2024/35]AT31.01.2024
BG31.01.2024
ES31.01.2024
HR31.01.2024
LT31.01.2024
NO30.04.2024
RS30.04.2024
GR01.05.2024
IS31.05.2024
Former [2024/33]LT31.01.2024
NO30.04.2024
IS31.05.2024
Former [2024/32]IS31.05.2024
Cited inInternational search[A] US10333708  (DIAMANT RON et al.)
 [A]   BLUM M: "Independent Unbiased Coin Flips From A Correlated Biased Source: A Finite State Markov Chain", 19841024; 19841024 - 19841026, 24 October 1984 (1984-10-24), pages 425 - 433, XP010303686
 [A]   ANONYMOUS: "Lookup table - Wikipedia", 25 October 2020 (2020-10-25), XP055827417, Retrieved from the Internet [retrieved on 20210723] [A] 1-20 * page 1 - page 3 *
by applicant  M BLUM: "Independent unbiased coin flips from a correlated biased source - a finite state Markov Chain", COMBINATORICA, vol. 6, no. 2, 1986, pages 97 - 108, XP000669496
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.