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
Register Forum

2022.02.11

More...
blank News flashes

News flashes

New version of the European Patent Register - SPC information for Unitary Patents.

2024-03-06

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP2838200

EP2838200 - BUFFER CIRCUIT AND METHOD FOR DRIVING BUFFER CIRCUIT [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.06.2021
Database last updated on 22.05.2024
FormerThe patent has been granted
Status updated on  03.07.2020
FormerGrant of patent is intended
Status updated on  29.03.2020
FormerExamination is in progress
Status updated on  27.01.2017
Most recent event   Tooltip27.04.2024Lapse of the patent in a contracting state
New state(s): MK		published on 29.05.2024 [2024/22]
Applicant(s)For all designated states
JOLED INC.
23, Kandanishiki-cho 3-chome
Chiyoda-ku
Tokyo 101-0054 / JP
[2015/19]
Former [2015/08]For all designated states
Panasonic Corporation
1006, Oaza Kadoma
Kadoma-shi
Osaka 571-8501 / JP
Inventor(s)01 / TSUGE, Hitoshi
c/o Panasonic Corporation
Intellectual Property Center
IP Development Group
7F Twin 21 OBP Panasonic Tower, 2-1-61, Shiromi
Chuo-ku, Osaka 540-6207 / JP
02 / MATSUI, Masafumi
c/o Panasonic Corporation
Intellectual Property Center
IP Development Group
7F Twin 21 OBP Panasonic Tower, 2-1-61, Shiromi
Chuo-ku, Osaka 540-6207 / JP
 [2015/08]
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstraße 4
80802 München / DE
[2020/32]
Former [2015/08]Grünecker, Kinkeldey, Stockmair & Schwanhäusser
Leopoldstrasse 4
80802 München / DE
Application number, filing date12806326.010.04.2012
[2020/32]
WO2012JP02487
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2013153576
Date:17.10.2013
Language:JA
[2013/42]
Type: A1 Application with search report 
No.:EP2838200
Date:18.02.2015
Language:EN
[2015/08]
Type: B1 Patent specification 
No.:EP2838200
Date:05.08.2020
Language:EN
[2020/32]
Search report(s)International search report - published on:JP17.10.2013
(Supplementary) European search report - dispatched on:EP30.03.2015
ClassificationIPC:G11C19/18, G11C19/28
[2020/10]
CPC:
G11C19/184 (EP,US); H03K19/0175 (KR); H03K3/00 (US);
G11C19/28 (EP,US)
Former IPC [2015/18]H03K19/0175, G11C19/28
Former IPC [2015/08]H03K19/0175
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 [2015/08]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:PUFFERSCHALTUNG UND VERFAHREN ZUR ANSTEUERUNG DER PUFFERSCHALTUNG[2015/08]
English:BUFFER CIRCUIT AND METHOD FOR DRIVING BUFFER CIRCUIT[2015/08]
French:CIRCUIT TAMPON ET PROCÉDÉ D'ATTAQUE D'UN CIRCUIT TAMPON[2015/08]
Entry into regional phase10.01.2013Translation filed 
10.01.2013National basic fee paid 
10.01.2013Search fee paid 
07.11.2014Designation fee(s) paid 
07.11.2014Examination fee paid 
Examination procedure07.11.2014Examination requested  [2015/08]
29.07.2015Amendment by applicant (claims and/or description)
17.10.2016Despatch of a communication from the examining division (Time limit: M04)
24.01.2017Reply to a communication from the examining division
17.04.2018Despatch of a communication from the examining division (Time limit: M04)
25.05.2018Reply to a communication from the examining division
30.03.2020Communication of intention to grant the patent
24.06.2020Fee for grant paid
24.06.2020Fee for publishing/printing paid
24.06.2020Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  17.10.2016
Opposition(s)07.05.2021No opposition filed within time limit [2021/28]
Fees paidRenewal fee
27.03.2014Renewal fee patent year 03
27.04.2015Renewal fee patent year 04
30.03.2016Renewal fee patent year 05
26.04.2017Renewal fee patent year 06
25.04.2018Renewal fee patent year 07
24.04.2019Renewal fee patent year 08
18.03.2020Renewal fee patent year 09
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  TooltipHU10.04.2012
AL05.08.2020
AT05.08.2020
CY05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
IT05.08.2020
LT05.08.2020
LV05.08.2020
MC05.08.2020
MK05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SI05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
GB10.04.2021
IE10.04.2021
LU10.04.2021
BE30.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
[2024/22]
Former [2023/29]HU10.04.2012
AL05.08.2020
AT05.08.2020
CY05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
IT05.08.2020
LT05.08.2020
LV05.08.2020
MC05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SI05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
GB10.04.2021
IE10.04.2021
LU10.04.2021
BE30.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2023/24]AL05.08.2020
AT05.08.2020
CY05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
IT05.08.2020
LT05.08.2020
LV05.08.2020
MC05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SI05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
GB10.04.2021
IE10.04.2021
LU10.04.2021
BE30.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2022/34]AL05.08.2020
AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
IT05.08.2020
LT05.08.2020
LV05.08.2020
MC05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SI05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
GB10.04.2021
IE10.04.2021
LU10.04.2021
BE30.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2022/23]AL05.08.2020
AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
IT05.08.2020
LT05.08.2020
LV05.08.2020
MC05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SI05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
GB10.04.2021
IE10.04.2021
LU10.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2022/21]AL05.08.2020
AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
IT05.08.2020
LT05.08.2020
LV05.08.2020
MC05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SI05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
PT07.12.2020
GB10.04.2021
IE10.04.2021
LU10.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2022/10]AL05.08.2020
AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
IT05.08.2020
LT05.08.2020
LV05.08.2020
MC05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SI05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
PT07.12.2020
GB10.04.2021
LU10.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2022/09]AL05.08.2020
AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
IT05.08.2020
LT05.08.2020
LV05.08.2020
MC05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SI05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
GB10.04.2021
LU10.04.2021
FR30.04.2021
Former [2022/04]AL05.08.2020
AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
IT05.08.2020
LT05.08.2020
LV05.08.2020
MC05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SI05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
LU10.04.2021
Former [2021/50]AL05.08.2020
AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
IT05.08.2020
LT05.08.2020
LV05.08.2020
MC05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SI05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
Former [2021/36]AL05.08.2020
AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
IT05.08.2020
LT05.08.2020
LV05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SI05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
Former [2021/34]AL05.08.2020
AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
IT05.08.2020
LT05.08.2020
LV05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
Former [2021/28]AL05.08.2020
AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
LT05.08.2020
LV05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SK05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
Former [2021/25]AL05.08.2020
AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
LT05.08.2020
LV05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
Former [2021/23]AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
LT05.08.2020
LV05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
SM05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
Former [2021/22]AT05.08.2020
CZ05.08.2020
DK05.08.2020
EE05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
LT05.08.2020
LV05.08.2020
NL05.08.2020
PL05.08.2020
RO05.08.2020
RS05.08.2020
SE05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
Former [2021/20]AT05.08.2020
DK05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
LT05.08.2020
LV05.08.2020
NL05.08.2020
PL05.08.2020
RS05.08.2020
SE05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
Former [2021/12]AT05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
LT05.08.2020
LV05.08.2020
NL05.08.2020
PL05.08.2020
RS05.08.2020
SE05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
Former [2021/10]AT05.08.2020
ES05.08.2020
FI05.08.2020
HR05.08.2020
LT05.08.2020
LV05.08.2020
PL05.08.2020
RS05.08.2020
SE05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
IS05.12.2020
PT07.12.2020
Former [2021/09]AT05.08.2020
ES05.08.2020
FI05.08.2020
LT05.08.2020
SE05.08.2020
BG05.11.2020
NO05.11.2020
GR06.11.2020
PT07.12.2020
Former [2021/08]ES05.08.2020
FI05.08.2020
LT05.08.2020
SE05.08.2020
BG05.11.2020
NO05.11.2020
PT07.12.2020
Former [2021/07]FI05.08.2020
LT05.08.2020
NO05.11.2020
Documents cited:Search[XY]GB2343067  (LG PHILIPS LCD CO LTD [KR]) [X] 1,3,5,6 * pages 11-13; figures 10-11 * [Y] 2,4;
 [XY]WO2011055570  (SHARP KK [JP], et al) [X] 1,3,5 * figures 5-6 * [Y] 2,4;
 [E]US2012194489  (IWAMOTO AKIHISA [JP], et al) [E] 1,3,5 * figures 5-6 *;
 [Y]US2011273416  (BAE YU-HAN [KR], et al) [Y] 2,4 * paragraphs [0003] , [0007] , [0080] , [0115] - [0116] - [0121] - [0122]; figures 3,5,6 *
International search[A]JP2010061800  (SEMICONDUCTOR ENERGY LAB);
 [A]JP2001101889  (CASIO COMPUTER CO LTD);
 [A]JPS5829200  (HANDOTAI KENKYU SHINKOKAI)
ExaminationUS2010171728
by applicantWO2009034750
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.