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Extract from the Register of European Patents

EP About this file: EP3281294

EP3281294 - ADJUSTABLE BUFFER CIRCUIT [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.12.2021
Database last updated on 18.10.2024
FormerThe patent has been granted
Status updated on  01.01.2021
FormerGrant of patent is intended
Status updated on  10.09.2020
FormerExamination is in progress
Status updated on  31.01.2019
FormerRequest for examination was made
Status updated on  12.01.2018
FormerThe international publication has been made
Status updated on  07.11.2017
Most recent event   Tooltip06.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 09.10.2024  [2024/41]
Applicant(s)For all designated states
Xilinx, Inc.
2100 Logic Drive
San Jose, California 95124 / US
[2018/07]
Inventor(s)01 / ZHANG, Wenfeng
2100 Logic Drive
San Jose, CA 95124 / US
02 / UPADHYAYA, Parag
2100 Logic Drive
San Jose, CA 95124 / US
 [2018/07]
Representative(s)Zimmermann & Partner Patentanwälte mbB
Josephspitalstr. 15
80331 München / DE
[2018/07]
Application number, filing date15816596.901.12.2015
[2018/07]
WO2015US63211
Priority number, dateUS20151468189808.04.2015         Original published format: US201514681898
[2018/07]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2016164075
Date:13.10.2016
Language:EN
[2016/41]
Type: A1 Application with search report 
No.:EP3281294
Date:14.02.2018
Language:EN
The application published by WIPO in one of the EPO official languages on 13.10.2016 takes the place of the publication of the European patent application.
[2018/07]
Type: B1 Patent specification 
No.:EP3281294
Date:03.02.2021
Language:EN
[2021/05]
Search report(s)International search report - published on:EP13.10.2016
ClassificationIPC:H03K19/0185, H03K19/094
[2018/07]
CPC:
H03K19/018514 (EP,CN,KR,US); H03K19/09432 (EP,CN,KR,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 [2018/07]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:ANPASSBARER PUFFERSCHALTKREIS[2018/07]
English:ADJUSTABLE BUFFER CIRCUIT[2018/07]
French:CIRCUIT TAMPON RÉGLABLE[2018/07]
Entry into regional phase07.11.2017National basic fee paid 
07.11.2017Designation fee(s) paid 
07.11.2017Examination fee paid 
Examination procedure20.06.2016Request for preliminary examination filed
International Preliminary Examining Authority: EP
07.11.2017Examination requested  [2018/07]
07.11.2017Date on which the examining division has become responsible
04.02.2019Despatch of a communication from the examining division (Time limit: M04)
02.05.2019Reply to a communication from the examining division
11.09.2020Communication of intention to grant the patent
07.12.2020Fee for grant paid
07.12.2020Fee for publishing/printing paid
07.12.2020Receipt of the translation of the claim(s)
Opposition(s)04.11.2021No opposition filed within time limit [2022/02]
Fees paidRenewal fee
27.12.2017Renewal fee patent year 03
31.12.2018Renewal fee patent year 04
27.12.2019Renewal fee patent year 05
28.12.2020Renewal fee patent year 06
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  TooltipHU01.12.2015
AL03.02.2021
AT03.02.2021
CY03.02.2021
CZ03.02.2021
DK03.02.2021
EE03.02.2021
ES03.02.2021
FI03.02.2021
HR03.02.2021
IT03.02.2021
LT03.02.2021
LV03.02.2021
MC03.02.2021
MK03.02.2021
MT03.02.2021
NL03.02.2021
PL03.02.2021
RO03.02.2021
RS03.02.2021
SE03.02.2021
SI03.02.2021
SK03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
[2024/41]
Former [2024/22]HU01.12.2015
AL03.02.2021
AT03.02.2021
CY03.02.2021
CZ03.02.2021
DK03.02.2021
EE03.02.2021
ES03.02.2021
FI03.02.2021
HR03.02.2021
IT03.02.2021
LT03.02.2021
LV03.02.2021
MC03.02.2021
MK03.02.2021
NL03.02.2021
PL03.02.2021
RO03.02.2021
RS03.02.2021
SE03.02.2021
SI03.02.2021
SK03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
Former [2023/30]HU01.12.2015
AL03.02.2021
AT03.02.2021
CY03.02.2021
CZ03.02.2021
DK03.02.2021
EE03.02.2021
ES03.02.2021
FI03.02.2021
HR03.02.2021
IT03.02.2021
LT03.02.2021
LV03.02.2021
MC03.02.2021
NL03.02.2021
PL03.02.2021
RO03.02.2021
RS03.02.2021
SE03.02.2021
SI03.02.2021
SK03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
Former [2023/29]HU01.12.2015
AL03.02.2021
AT03.02.2021
CZ03.02.2021
DK03.02.2021
EE03.02.2021
ES03.02.2021
FI03.02.2021
HR03.02.2021
IT03.02.2021
LT03.02.2021
LV03.02.2021
MC03.02.2021
NL03.02.2021
PL03.02.2021
RO03.02.2021
RS03.02.2021
SE03.02.2021
SI03.02.2021
SK03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
Former [2022/33]AL03.02.2021
AT03.02.2021
CZ03.02.2021
DK03.02.2021
EE03.02.2021
ES03.02.2021
FI03.02.2021
HR03.02.2021
IT03.02.2021
LT03.02.2021
LV03.02.2021
MC03.02.2021
NL03.02.2021
PL03.02.2021
RO03.02.2021
RS03.02.2021
SE03.02.2021
SI03.02.2021
SK03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
Former [2022/23]AL03.02.2021
AT03.02.2021
CZ03.02.2021
DK03.02.2021
EE03.02.2021
ES03.02.2021
FI03.02.2021
HR03.02.2021
IT03.02.2021
LT03.02.2021
LV03.02.2021
NL03.02.2021
PL03.02.2021
RO03.02.2021
RS03.02.2021
SE03.02.2021
SI03.02.2021
SK03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
Former [2022/13]AL03.02.2021
AT03.02.2021
CZ03.02.2021
DK03.02.2021
EE03.02.2021
ES03.02.2021
FI03.02.2021
HR03.02.2021
LT03.02.2021
LV03.02.2021
NL03.02.2021
PL03.02.2021
RO03.02.2021
RS03.02.2021
SE03.02.2021
SI03.02.2021
SK03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
PT04.06.2021
Former [2022/10]AL03.02.2021
AT03.02.2021
CZ03.02.2021
DK03.02.2021
EE03.02.2021
ES03.02.2021
FI03.02.2021
HR03.02.2021
LT03.02.2021
LV03.02.2021
NL03.02.2021
PL03.02.2021
RO03.02.2021
RS03.02.2021
SE03.02.2021
SK03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
PT04.06.2021
Former [2022/08]AL03.02.2021
AT03.02.2021
CZ03.02.2021
DK03.02.2021
EE03.02.2021
ES03.02.2021
FI03.02.2021
HR03.02.2021
LT03.02.2021
LV03.02.2021
NL03.02.2021
PL03.02.2021
RO03.02.2021
RS03.02.2021
SE03.02.2021
SK03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
Former [2022/07]AL03.02.2021
AT03.02.2021
CZ03.02.2021
DK03.02.2021
EE03.02.2021
FI03.02.2021
HR03.02.2021
LT03.02.2021
LV03.02.2021
NL03.02.2021
PL03.02.2021
RO03.02.2021
RS03.02.2021
SE03.02.2021
SK03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
Former [2021/50]AT03.02.2021
CZ03.02.2021
DK03.02.2021
EE03.02.2021
FI03.02.2021
HR03.02.2021
LT03.02.2021
LV03.02.2021
NL03.02.2021
PL03.02.2021
RO03.02.2021
RS03.02.2021
SE03.02.2021
SK03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
Former [2021/49]AT03.02.2021
CZ03.02.2021
DK03.02.2021
EE03.02.2021
FI03.02.2021
HR03.02.2021
LT03.02.2021
LV03.02.2021
NL03.02.2021
PL03.02.2021
RS03.02.2021
SE03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
Former [2021/48]AT03.02.2021
CZ03.02.2021
EE03.02.2021
FI03.02.2021
HR03.02.2021
LT03.02.2021
LV03.02.2021
NL03.02.2021
PL03.02.2021
RS03.02.2021
SE03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
Former [2021/46]AT03.02.2021
FI03.02.2021
HR03.02.2021
LT03.02.2021
LV03.02.2021
NL03.02.2021
PL03.02.2021
RS03.02.2021
SE03.02.2021
SM03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
Former [2021/42]AT03.02.2021
FI03.02.2021
HR03.02.2021
LT03.02.2021
LV03.02.2021
NL03.02.2021
PL03.02.2021
RS03.02.2021
SE03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
IS03.06.2021
PT04.06.2021
Former [2021/39]AT03.02.2021
FI03.02.2021
HR03.02.2021
LT03.02.2021
LV03.02.2021
NL03.02.2021
PL03.02.2021
RS03.02.2021
SE03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
PT04.06.2021
Former [2021/38]AT03.02.2021
FI03.02.2021
HR03.02.2021
LT03.02.2021
LV03.02.2021
NL03.02.2021
RS03.02.2021
SE03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
PT04.06.2021
Former [2021/37]AT03.02.2021
FI03.02.2021
HR03.02.2021
LT03.02.2021
LV03.02.2021
RS03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
PT04.06.2021
Former [2021/36]FI03.02.2021
HR03.02.2021
LT03.02.2021
BG03.05.2021
NO03.05.2021
GR04.05.2021
PT04.06.2021
Former [2021/35]FI03.02.2021
HR03.02.2021
LT03.02.2021
NO03.05.2021
PT04.06.2021
Former [2021/33]FI03.02.2021
LT03.02.2021
NO03.05.2021
PT04.06.2021
Cited inInternational search[XAI]US2005248396  (CARESOSA MARIO [US], et al) [X] 1,3,4,6,9,12-14 * figure 12 * [A] 7,8 [I] 2,10,11,15;
 [XAI]US2006061391  (TAM KIMO Y F [US]) [X] 1,3-6,9,12,14 * paragraph [0024] - paragraph [0029]; figure 4 * [A] 7,8,13 [I] 2,10,11;
 [XAI]US7202706  (PLASTERER JOHN P [CA], et al) [X] 1,3-6,9,12,14 * figures 27,29 * [A] 7,8[I] 2,10,11;
 [XAI]US2008204171  (ABEL CHRISTOPHER J [US], et al) [X] 1-6,9,12,14 * paragraph [0035] - paragraph [0051]; figure 3 * [A] 7,8 [I] 10,11
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.