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Extract from the Register of European Patents

EP About this file: EP3633838

EP3633838 - BUCK-BOOST CHIP CONTROL METHOD, BUCK-BOOST CHIP, AND ELECTRONIC DEVICE [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  25.11.2021
Database last updated on 05.10.2024
FormerRequest for examination was made
Status updated on  06.03.2020
FormerThe international publication has been made
Status updated on  04.01.2019
Most recent event   Tooltip03.09.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building
Bantian
Longgang District
Shenzhen, Guangdong 518129 / CN
[2020/15]
Inventor(s)01 / ZHU, Li
Huawei Administration Building
Bantian
Longgang District
Shenzhen Guangdong 518129 / CN
 [2020/15]
Representative(s)Epping - Hermann - Fischer
Patentanwaltsgesellschaft mbH
Schloßschmidstraße 5
80639 München / DE
[2020/15]
Application number, filing date17916235.918.08.2017
[2020/15]
WO2017CN98136
Priority number, dateCN20171050257227.06.2017         Original published format: CN201710502572
[2020/15]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019000611
Date:03.01.2019
Language:ZH
[2019/01]
Type: A1 Application with search report 
No.:EP3633838
Date:08.04.2020
Language:EN
[2020/15]
Search report(s)International search report - published on:CN03.01.2019
(Supplementary) European search report - dispatched on:EP28.05.2020
ClassificationIPC:H02M3/335, H02M3/158
[2020/26]
CPC:
H02M3/158 (EP); H02M3/1582 (EP,US); H02M3/335 (EP);
H02M1/0025 (EP)
Former IPC [2020/15]H02M3/335
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 [2020/15]
TitleGerman:AUFWÄRTS-ABWÄRTS-CHIPSTEUERVERFAHREN, AUFWÄRTS-ABWÄRTS-CHIP UND ELEKTRONISCHES GERÄT[2020/15]
English:BUCK-BOOST CHIP CONTROL METHOD, BUCK-BOOST CHIP, AND ELECTRONIC DEVICE[2020/15]
French:PROCÉDÉ DE COMMANDE DE PUCE BUCK-BOOST, PUCE BUCK-BOOST, ET DISPOSITIF ÉLECTRONIQUE[2020/15]
Entry into regional phase03.01.2020Translation filed 
03.01.2020National basic fee paid 
03.01.2020Search fee paid 
03.01.2020Designation fee(s) paid 
03.01.2020Examination fee paid 
Examination procedure03.01.2020Examination requested  [2020/15]
24.11.2020Amendment by applicant (claims and/or description)
24.11.2021Despatch of a communication from the examining division (Time limit: M04)
22.03.2022Reply to a communication from the examining division
08.07.2022Despatch of a communication from the examining division (Time limit: M04)
08.11.2022Reply to a communication from the examining division
22.10.2024Date of oral proceedings
Fees paidRenewal fee
03.01.2020Renewal fee patent year 03
24.08.2020Renewal fee patent year 04
20.08.2021Renewal fee patent year 05
24.08.2022Renewal fee patent year 06
23.08.2023Renewal fee patent year 07
02.09.2024Renewal fee patent year 08
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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[A]US4801859  (DISHNER BRYAN W [US]);
 [XI]EP1990902  (MATSUSHITA ELECTRIC IND CO LTD [JP]);
 [I]EP2001112  (PANASONIC CORP [JP]);
 [A]US2016026205  (SONG MIN SUP [KR], et al);
 [A]WO2017047698  (MITSUBISHI ELECTRIC CORP [JP])
International search[A]CN101079650  (RICOH KK [JP]);
 [A]CN101478237  (SUZHOU HUAXIN MICRO ELECTRONIC [CN]);
 [A]CN101499717  (UNIV ZHEJIANG [CN]);
 [A]CN101552554  (UNIV NANJING AERONAUTICS [CN])
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.