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Extract from the Register of European Patents

EP About this file: EP3977308

EP3977308 - LEARNING-BASED QUERY PLAN CACHE FOR CAPTURING LOW-COST QUERY PLAN [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  20.10.2023
Database last updated on 11.09.2024
FormerGrant of patent is intended
Status updated on  23.07.2023
FormerRequest for examination was made
Status updated on  04.03.2022
FormerThe international publication has been made
Status updated on  05.12.2020
Formerunknown
Status updated on  25.06.2019
Most recent event   Tooltip02.08.2024Lapse of the patent in a contracting state
New state(s): IT, SK		published on 04.09.2024  [2024/36]
Applicant(s)For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building
Bantian
Longgang District
Shenzhen
Guangdong 518129 / CN
[2022/14]
Inventor(s)01 / HU, Ron-Chung
37 Erstwild Court
Palo Alto, California 94303 / US
02 / GHAZAL, Ahmad
1914 Harriman Lane, Unit B
Redondo Beach, California 90278 / US
03 / ZHANG, Mingyi
1092 Sunlite Drive
Santa Clara, California 95050 / US
 [2022/14]
Representative(s)Pfenning, Meinig & Partner mbB
Patent- und Rechtsanwälte
Theresienhöhe 11a
80339 München / DE
[2022/14]
Application number, filing date19731043.624.05.2019
[2022/14]
WO2019US33929
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020242439
Date:03.12.2020
Language:EN
[2020/49]
Type: A1 Application with search report 
No.:EP3977308
Date:06.04.2022
Language:EN
The application published by WIPO in one of the EPO official languages on 03.12.2020 takes the place of the publication of the European patent application.
[2022/14]
Type: B1 Patent specification 
No.:EP3977308
Date:22.11.2023
Language:EN
[2023/47]
Search report(s)International search report - published on:EP03.12.2020
ClassificationIPC:G06F18/21
[2023/29]
CPC:
G06F16/24542 (EP,US); G06F16/24524 (EP); G06F18/217 (EP)
Former IPC [2022/14]G06F16/2453, G06F16/2452
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 [2022/14]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:LERNBASIERTER ABFRAGEPLAN-ZWISCHENSPEICHER ZUR ERFASSUNG EINES KOSTENGÜNSTIGEN ABFRAGEPLANS[2022/14]
English:LEARNING-BASED QUERY PLAN CACHE FOR CAPTURING LOW-COST QUERY PLAN[2022/14]
French:CACHE DE PLAN DE REQUÊTE BASÉ SUR L'APPRENTISSAGE POUR CAPTURER UN PLAN DE REQUÊTE À FAIBLE COÛT[2022/14]
Entry into regional phase07.07.2021National basic fee paid 
07.07.2021Designation fee(s) paid 
07.07.2021Examination fee paid 
Examination procedure07.07.2021Examination requested  [2022/14]
07.07.2021Date on which the examining division has become responsible
27.06.2022Amendment by applicant (claims and/or description)
24.07.2023Communication of intention to grant the patent
10.10.2023Fee for grant paid
10.10.2023Fee for publishing/printing paid
10.10.2023Receipt of the translation of the claim(s)
Divisional application(s)EP23211055.1  / EP4303743
Fees paidRenewal fee
07.07.2021Renewal fee patent year 03
14.03.2022Renewal fee patent year 04
28.03.2023Renewal fee patent year 05
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  TooltipAT22.11.2023
CZ22.11.2023
DK22.11.2023
EE22.11.2023
ES22.11.2023
HR22.11.2023
IT22.11.2023
LT22.11.2023
LV22.11.2023
NL22.11.2023
PL22.11.2023
RO22.11.2023
RS22.11.2023
SE22.11.2023
SK22.11.2023
SM22.11.2023
BG22.02.2024
NO22.02.2024
GR23.02.2024
IS22.03.2024
PT22.03.2024
[2024/36]
Former [2024/35]AT22.11.2023
CZ22.11.2023
DK22.11.2023
EE22.11.2023
ES22.11.2023
HR22.11.2023
LT22.11.2023
LV22.11.2023
NL22.11.2023
PL22.11.2023
RO22.11.2023
RS22.11.2023
SE22.11.2023
SM22.11.2023
BG22.02.2024
NO22.02.2024
GR23.02.2024
IS22.03.2024
PT22.03.2024
Former [2024/34]AT22.11.2023
DK22.11.2023
EE22.11.2023
ES22.11.2023
HR22.11.2023
LT22.11.2023
LV22.11.2023
NL22.11.2023
PL22.11.2023
RS22.11.2023
SE22.11.2023
SM22.11.2023
BG22.02.2024
NO22.02.2024
GR23.02.2024
IS22.03.2024
PT22.03.2024
Former [2024/33]AT22.11.2023
DK22.11.2023
ES22.11.2023
HR22.11.2023
LT22.11.2023
LV22.11.2023
NL22.11.2023
PL22.11.2023
RS22.11.2023
SE22.11.2023
SM22.11.2023
BG22.02.2024
NO22.02.2024
GR23.02.2024
IS22.03.2024
PT22.03.2024
Former [2024/26]AT22.11.2023
ES22.11.2023
HR22.11.2023
LT22.11.2023
LV22.11.2023
NL22.11.2023
PL22.11.2023
RS22.11.2023
SE22.11.2023
BG22.02.2024
NO22.02.2024
GR23.02.2024
IS22.03.2024
PT22.03.2024
Former [2024/25]AT22.11.2023
ES22.11.2023
HR22.11.2023
LT22.11.2023
NL22.11.2023
PL22.11.2023
RS22.11.2023
SE22.11.2023
BG22.02.2024
NO22.02.2024
GR23.02.2024
IS22.03.2024
PT22.03.2024
Former [2024/23]AT22.11.2023
ES22.11.2023
LT22.11.2023
NL22.11.2023
BG22.02.2024
GR23.02.2024
IS22.03.2024
PT22.03.2024
Former [2024/22]AT22.11.2023
LT22.11.2023
NL22.11.2023
BG22.02.2024
GR23.02.2024
IS22.03.2024
Former [2024/21]LT22.11.2023
NL22.11.2023
BG22.02.2024
GR23.02.2024
IS22.03.2024
Former [2024/20]GR23.02.2024
IS22.03.2024
Cited inInternational search[I]US2002198867  (LOHMAN GUY MARING [US], et al) [I] 1-20 * paragraphs [0028] , [0032] , [0033] , [0034] , [0037] , [0048] , [0058] , [0059] , [0080] *;
 [A]US2009106219  (BELKNAP PETER [US], et al) [A] 1-20* paragraphs [0024] , [0027] , [0058] , [0060] , [0064] , [0074] , [0077] , [0080] , [0083] , [0092] , [0103] , [0109] , [0125] - [0127] *
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.