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Extract from the Register of European Patents

EP About this file: EP2289108

EP2289108 - BANDGAP-SHIFTED SEMICONDUCTOR SURFACE AND APPARATUS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.03.2018
Database last updated on 26.06.2024
FormerThe patent has been granted
Status updated on  07.04.2017
FormerGrant of patent is intended
Status updated on  20.11.2016
Most recent event   Tooltip29.05.2020Lapse of the patent in a contracting state
New state(s): PT		published on 01.07.2020  [2020/27]
Applicant(s)For all designated states
Nanoptek Corporation
63 Great Road
Maynard, MA 01754 / US
[2011/09]
Inventor(s)01 / GUERRA, John, M.
250 Old Marlboro Road
Concord MA 01742 / US
02 / THULIN, Lukas, M.
19 Teresa Circle
Arlington MA 02474 / US
03 / CHANDEKAR, Amol, N.
Apartment No. 3
799 Merrimack Street
Lowell, MA 01854 / US
 [2017/19]
Former [2011/09]01 / GUERRA, John, M.
250 Old Marlboro Road
Concord MA 01742 / US
02 / THULIN, Lukas, M.
19 Teresa Circle
Arlington MA 02474 / US
03 / CHANDEKAR, Amol, N.
Apartment No. 3 799 Merrimack Street
Lowell, MA 01854 / US
Representative(s)Cole, David John
46 Kirkhill Gardens
West Greenlees Estate
Cambuslang
Glasgow G72 8EZ / GB
[2017/19]
Former [2011/09]Cole, David John
46 Kirkhill Gardens, West Greenlees Estate Cambuslang
Glasgow G72 8EZ / GB
Application number, filing date09763354.907.06.2009
[2011/09]
WO2009US46531
Priority number, dateUS2008013671610.06.2008         Original published format: US 136716
US2008013673610.06.2008         Original published format: US 136736
[2011/09]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO2009152063
Date:17.12.2009
Language:EN
[2009/51]
Type: A2 Application without search report 
No.:EP2289108
Date:02.03.2011
Language:EN
The application published by WIPO in one of the EPO official languages on 17.12.2009 takes the place of the publication of the European patent application.
[2011/09]
Type: B1 Patent specification 
No.:EP2289108
Date:10.05.2017
Language:EN
[2017/19]
Search report(s)International search report - published on:KR11.03.2010
(Supplementary) European search report - dispatched on:EP15.04.2014
ClassificationIPC:H01L31/02, H01L31/06, H01L31/052, H02S40/44, H01L31/054, C25B15/02, C25B1/00
[2016/47]
CPC:
H01L31/06 (EP); C25B1/55 (EP); C25B15/02 (EP);
H01L31/0547 (EP); H02S40/44 (EP); Y02E10/52 (EP);
Y02E10/60 (EP) (-)
Former IPC [2014/20]H01L31/02, H01L31/06, H01L31/052, H01L31/0525, C25B1/00, C25B15/02, C25D11/26
Former IPC [2011/09]H01L31/0224, H01L21/306
Designated contracting statesAT,   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,   SE,   SI,   SK,   TR [2017/19]
Former [2011/09]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,  SE,  SI,  SK,  TR 
TitleGerman:HALBLEITEROBERFLÄCHE MIT BANDLÜCKENVERSATZ UND VORRICHTUNG[2011/09]
English:BANDGAP-SHIFTED SEMICONDUCTOR SURFACE AND APPARATUS[2011/09]
French:SURFACE SEMI-CONDUCTRICE À BANDE INTERDITE DÉCALÉE ET APPAREIL[2011/09]
Entry into regional phase10.01.2011National basic fee paid 
10.01.2011Search fee paid 
10.01.2011Designation fee(s) paid 
10.01.2011Examination fee paid 
Examination procedure10.01.2011Examination requested  [2011/09]
23.12.2014Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
01.03.2015Amendment by applicant (claims and/or description)
27.05.2016Despatch of a communication from the examining division (Time limit: M04)
05.10.2016Reply to a communication from the examining division
21.11.2016Communication of intention to grant the patent
12.03.2017Receipt of the translation of the claim(s)
13.03.2017Fee for grant paid
13.03.2017Fee for publishing/printing paid
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  27.05.2016
Opposition(s)13.02.2018No opposition filed within time limit [2018/16]
Request for further processing for:The application is deemed to be withdrawn due to failure to indicate the wish to proceed further with the application
02.03.2015Request for further processing filed
02.03.2015Full payment received (date of receipt of payment)
Request granted
27.04.2015Decision despatched
The application is deemed to be withdrawn due to failure to reply to the Extended European Search Report/Written Opinion of the International Searching Authority/International Preliminary Examination Report/Supplementary international search report/Supplementary European search report
02.03.2015Request for further processing filed
02.03.2015Full payment received (date of receipt of payment)
Request granted
27.04.2015Decision despatched
Fees paidRenewal fee
30.06.2011Renewal fee patent year 03
02.07.2012Renewal fee patent year 04
01.07.2013Renewal fee patent year 05
30.06.2014Renewal fee patent year 06
30.06.2015Renewal fee patent year 07
30.06.2016Renewal fee patent year 08
Opt-out from the exclusive  Tooltip
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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.
Lapses during opposition  TooltipHU07.06.2009
AT10.05.2017
CY10.05.2017
CZ10.05.2017
EE10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
IT10.05.2017
LT10.05.2017
LV10.05.2017
MC10.05.2017
MK10.05.2017
PL10.05.2017
PT10.05.2017
RO10.05.2017
SI10.05.2017
SK10.05.2017
TR10.05.2017
LU07.06.2017
MT07.06.2017
CH30.06.2017
LI30.06.2017
BG10.08.2017
GR11.08.2017
[2020/27]
Former [2020/15]HU07.06.2009
AT10.05.2017
CY10.05.2017
CZ10.05.2017
EE10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
IT10.05.2017
LT10.05.2017
LV10.05.2017
MC10.05.2017
MK10.05.2017
PL10.05.2017
RO10.05.2017
SI10.05.2017
SK10.05.2017
TR10.05.2017
LU07.06.2017
MT07.06.2017
CH30.06.2017
LI30.06.2017
BG10.08.2017
GR11.08.2017
Former [2019/51]HU07.06.2009
AT10.05.2017
CY10.05.2017
CZ10.05.2017
EE10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
IT10.05.2017
LT10.05.2017
LV10.05.2017
MC10.05.2017
MK10.05.2017
PL10.05.2017
RO10.05.2017
SI10.05.2017
SK10.05.2017
LU07.06.2017
MT07.06.2017
CH30.06.2017
LI30.06.2017
BG10.08.2017
GR11.08.2017
Former [2019/46]HU07.06.2009
AT10.05.2017
CY10.05.2017
CZ10.05.2017
EE10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
IT10.05.2017
LT10.05.2017
LV10.05.2017
MC10.05.2017
PL10.05.2017
RO10.05.2017
SI10.05.2017
SK10.05.2017
LU07.06.2017
MT07.06.2017
CH30.06.2017
LI30.06.2017
BG10.08.2017
GR11.08.2017
Former [2019/31]HU07.06.2009
AT10.05.2017
CZ10.05.2017
EE10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
IT10.05.2017
LT10.05.2017
LV10.05.2017
MC10.05.2017
PL10.05.2017
RO10.05.2017
SI10.05.2017
SK10.05.2017
LU07.06.2017
MT07.06.2017
CH30.06.2017
LI30.06.2017
BG10.08.2017
GR11.08.2017
Former [2019/30]AT10.05.2017
CZ10.05.2017
EE10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
IT10.05.2017
LT10.05.2017
LV10.05.2017
MC10.05.2017
PL10.05.2017
RO10.05.2017
SI10.05.2017
SK10.05.2017
LU07.06.2017
MT07.06.2017
CH30.06.2017
LI30.06.2017
BG10.08.2017
GR11.08.2017
Former [2018/43]AT10.05.2017
CZ10.05.2017
EE10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
IT10.05.2017
LT10.05.2017
LV10.05.2017
PL10.05.2017
RO10.05.2017
SI10.05.2017
SK10.05.2017
LU07.06.2017
MT07.06.2017
CH30.06.2017
LI30.06.2017
BG10.08.2017
GR11.08.2017
Former [2018/25]AT10.05.2017
CZ10.05.2017
EE10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
IT10.05.2017
LT10.05.2017
LV10.05.2017
PL10.05.2017
RO10.05.2017
SI10.05.2017
SK10.05.2017
LU07.06.2017
CH30.06.2017
LI30.06.2017
BG10.08.2017
GR11.08.2017
Former [2018/21]AT10.05.2017
CZ10.05.2017
EE10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
IT10.05.2017
LT10.05.2017
LV10.05.2017
PL10.05.2017
RO10.05.2017
SK10.05.2017
LU07.06.2017
CH30.06.2017
LI30.06.2017
BG10.08.2017
GR11.08.2017
Former [2018/11]AT10.05.2017
CZ10.05.2017
EE10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
IT10.05.2017
LT10.05.2017
LV10.05.2017
PL10.05.2017
RO10.05.2017
SK10.05.2017
BG10.08.2017
GR11.08.2017
Former [2018/10]AT10.05.2017
CZ10.05.2017
EE10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
LT10.05.2017
LV10.05.2017
PL10.05.2017
RO10.05.2017
SK10.05.2017
BG10.08.2017
GR11.08.2017
Former [2018/09]AT10.05.2017
EE10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
LT10.05.2017
LV10.05.2017
PL10.05.2017
BG10.08.2017
GR11.08.2017
Former [2017/50]AT10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
LT10.05.2017
LV10.05.2017
PL10.05.2017
BG10.08.2017
GR11.08.2017
Former [2017/49]AT10.05.2017
ES10.05.2017
FI10.05.2017
HR10.05.2017
LT10.05.2017
GR11.08.2017
Documents cited:Search[XAI]US2874102  (EUGENE WAINER) [X] 1,4 * column 2, lines 3-35 * * claim 1 * [A] 5-7,9-11 [I] 2,3,8;
 [XAI]US2005103639  (LU FU-HSING [TW], et al) [X] 1,8 * abstract * * paragraphs [0023] - [0025] * [A] 2-6,10,11 [I] 7,9;
 [XAI]US6344127  (ITOH YOSHIHISA [JP]) [X] 1,2,4,8 * abstract * * column 2, lines 15-41 * * column 3, line 2 - column 4, line 5 * [A] 5-7,11 [I] 3,9,10
 [XI]  - HARTIG K J ET AL, "Production and testing methods of different TiO2 photoanodes", INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, ELSEVIER SCIENCE PUBLISHERS B.V., BARKING, GB, vol. 11, no. 12, doi:10.1016/0360-3199(86)90173-4, ISSN 0360-3199, (19860516), pages 773 - 781, (19860101), XP025450495 [X] 1,4,10 * abstract * * page 773, paragraph anodic oxidation - page 774, paragraph thermal oxidation * * pages 774-775, paragraphs X-ray investigations * * pages 775-776, paragraphs current-potential characteristics * [I] 2,3,5-9,11

DOI:   http://dx.doi.org/10.1016/0360-3199(86)90173-4
International search[Y]KR20070118064  (GENETECH [KR]);
 [Y]KR100576081B  (SAMSUNG ELECTRONICS CO LTD [KR]);
 [A]US5578140  (YOGEV AMNON [IL], et al);
 [A]KR19980060595  (HYNIX ELECTRONICS IND. CO., LTD.)
by applicantUS5910940
 US4269170
 US7485799
    - J. G. MAVROIDES; J. A. KAFALAS; D. F. KOLESAR, "Photoelectrolysis of water in cells with SrTi0 anodes", APPLIED PHYSICS LETTERS, (19760301), vol. 28, no. 5, XP001294559
    - A. FUJISHIMA; K. HONDA, NATURE, (1972), vol. 238, page 37
    - O. KHASELEV; J. TURNER, "A Monolithic Photovoltaic-Photoelectrochemical Device for Hydrogen Production via Water Splitting", SCIENCE, (19980417), vol. 280, doi:doi:10.1126/science.280.5362.425, XP002522765

DOI:   http://dx.doi.org/10.1126/science.280.5362.425
    - P. J. SEBASTIAN; M. E. CALIXTO; R. N. BHATTACHARYA, ELECTRODEPOSITED CIS AND CIGS THIN FILM PHOTOCATALYSTS FOR HYDROGEN PRODUCTION BY PHOTOELECTROLYSIS
    - T. GERFIN; M. GRAETZEL; L. WALDER, "Molecular and Supramolecular Surface Modification of Nanocrystalline Ti0 films: Charge-Separating and Charge-Injecting Devices", PROGR. INORG. CHEM., (1997), vol. 44, pages 345 - 393, XP002108197
    - "Determining Nanoscale Physical Properties of Materials by Microscopy and Spectroscopy", GUERRA, J. M., Photon tunneling microscopy applications, vol. 332, page 457
    - GUERRA, J. M.; D. VEZENOV, METHOD OF FABRICATION OF SUB-MICRON SPHERICAL MICRO-LENSES
    - J. M. BENNETT ET AL., "Comparison of the properties of titanium dioxide films prepared by various techniques", APPL. OPT., (1989), vol. 28, doi:doi:10.1364/AO.28.003303, pages 3303 - 3317, XP000115332

DOI:   http://dx.doi.org/10.1364/AO.28.003303
    - H. T. TIEN; A. L. OTTOVA, "Hydrogen generation from water using semiconductor septum electrochemical photovoltaic (SC-SEP) cells", CURRENT TOPICS IN BIOPHYSICS, (2000), vol. 25, no. 1, pages 39 - 60
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