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: EP3671634

EP3671634 - CURVILINEAR OBJECT SEGMENTATION WITH GEOMETRIC PRIORS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.12.2022
Database last updated on 06.07.2024
FormerThe patent has been granted
Status updated on  07.01.2022
FormerGrant of patent is intended
Status updated on  19.07.2021
FormerRequest for examination was made
Status updated on  15.01.2021
FormerThe application has been published
Status updated on  22.05.2020
Most recent event   Tooltip14.06.2024Lapse of the patent in a contracting state
New state(s): MC, TR		published on 17.07.2024 [2024/29]
Applicant(s)For all designated states
Palo Alto Research Center Incorporated
Office of General Counsel Property Law Department
Attn: IP Documentation Center
800 Phillips Road, MS 105-20C
Webster, NY 14580 / US
[2020/26]
Inventor(s)01 / BALA, Raja
65 Woodgreen Drive
Pittsford, NY New York 14534 / US
02 / CHERUKURI, Venkateswararao
613 Catamaran Street, Apt. 3
Foster City, CA California 94404 / US
03 / KUMAR B G, Vijay
1520 Branham Lane, Apt. 81
San Jose, CA California 95118 / US
 [2020/26]
Representative(s)Gill Jennings & Every LLP
The Broadgate Tower
20 Primrose Street
London EC2A 2ES / GB
[2020/26]
Application number, filing date19216742.716.12.2019
[2020/26]
Priority number, dateUS20181622351918.12.2018         Original published format: US201816223519
[2020/26]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3671634
Date:24.06.2020
Language:EN
[2020/26]
Type: B1 Patent specification 
No.:EP3671634
Date:09.02.2022
Language:EN
[2022/06]
Search report(s)(Supplementary) European search report - dispatched on:EP22.04.2020
ClassificationIPC:G06T7/10
[2020/26]
CPC:
G06T7/10 (EP); G06T7/11 (US); G06N20/00 (US);
G06N3/084 (US); G06T5/20 (US); G06T7/168 (US);
G06T7/174 (US); G06T2207/20081 (US); G06T2207/20084 (EP);
G06T2207/20112 (US); G06T2207/30041 (EP) (-)
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 [2021/07]
Former [2020/26]AL,  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 
TitleGerman:KRUMMLINIGE OBJEKTSEGMENTIERUNG MIT GEOMETRISCHEN A-PRIORI-VERTEILUNGEN[2020/26]
English:CURVILINEAR OBJECT SEGMENTATION WITH GEOMETRIC PRIORS[2020/26]
French:SEGMENTATION D'OBJETS CURVILIGNES COMPORTANT DES ANTÉCÉDENTS GÉOMÉTRIQUES[2020/26]
Examination procedure21.12.2020Amendment by applicant (claims and/or description)
11.01.2021Examination requested  [2021/07]
11.01.2021Date on which the examining division has become responsible
20.07.2021Communication of intention to grant the patent
10.11.2021Fee for grant paid
10.11.2021Fee for publishing/printing paid
10.11.2021Receipt of the translation of the claim(s)
Opposition(s)10.11.2022No opposition filed within time limit [2023/03]
Fees paidRenewal fee
03.01.2022Renewal fee patent year 03
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  TooltipHU16.12.2019
AL09.02.2022
AT09.02.2022
CY09.02.2022
CZ09.02.2022
DK09.02.2022
EE09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
IT09.02.2022
LT09.02.2022
LV09.02.2022
MC09.02.2022
MK09.02.2022
NL09.02.2022
PL09.02.2022
RO09.02.2022
RS09.02.2022
SE09.02.2022
SI09.02.2022
SK09.02.2022
SM09.02.2022
TR09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
IS09.06.2022
PT09.06.2022
[2024/29]
Former [2024/27]HU16.12.2019
AL09.02.2022
AT09.02.2022
CY09.02.2022
CZ09.02.2022
DK09.02.2022
EE09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
IT09.02.2022
LT09.02.2022
LV09.02.2022
MK09.02.2022
NL09.02.2022
PL09.02.2022
RO09.02.2022
RS09.02.2022
SE09.02.2022
SI09.02.2022
SK09.02.2022
SM09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
IS09.06.2022
PT09.06.2022
Former [2024/21]HU16.12.2019
AL09.02.2022
AT09.02.2022
CY09.02.2022
CZ09.02.2022
DK09.02.2022
EE09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
IT09.02.2022
LT09.02.2022
LV09.02.2022
NL09.02.2022
PL09.02.2022
RO09.02.2022
RS09.02.2022
SE09.02.2022
SI09.02.2022
SK09.02.2022
SM09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
IS09.06.2022
PT09.06.2022
Former [2024/18]HU16.12.2019
AL09.02.2022
AT09.02.2022
CZ09.02.2022
DK09.02.2022
EE09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
IT09.02.2022
LT09.02.2022
LV09.02.2022
NL09.02.2022
PL09.02.2022
RO09.02.2022
RS09.02.2022
SE09.02.2022
SI09.02.2022
SK09.02.2022
SM09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
IS09.06.2022
PT09.06.2022
Former [2023/35]AL09.02.2022
AT09.02.2022
CZ09.02.2022
DK09.02.2022
EE09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
IT09.02.2022
LT09.02.2022
LV09.02.2022
NL09.02.2022
PL09.02.2022
RO09.02.2022
RS09.02.2022
SE09.02.2022
SI09.02.2022
SK09.02.2022
SM09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
IS09.06.2022
PT09.06.2022
Former [2023/10]AL09.02.2022
AT09.02.2022
CZ09.02.2022
DK09.02.2022
EE09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
LT09.02.2022
LV09.02.2022
NL09.02.2022
PL09.02.2022
RO09.02.2022
RS09.02.2022
SE09.02.2022
SI09.02.2022
SK09.02.2022
SM09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
IS09.06.2022
PT09.06.2022
Former [2023/01]AL09.02.2022
AT09.02.2022
CZ09.02.2022
DK09.02.2022
EE09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
LT09.02.2022
LV09.02.2022
NL09.02.2022
PL09.02.2022
RO09.02.2022
RS09.02.2022
SE09.02.2022
SK09.02.2022
SM09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
IS09.06.2022
PT09.06.2022
Former [2022/49]AT09.02.2022
CZ09.02.2022
DK09.02.2022
EE09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
LT09.02.2022
LV09.02.2022
NL09.02.2022
PL09.02.2022
RO09.02.2022
RS09.02.2022
SE09.02.2022
SK09.02.2022
SM09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
IS09.06.2022
PT09.06.2022
Former [2022/48]AT09.02.2022
CZ09.02.2022
DK09.02.2022
EE09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
LT09.02.2022
LV09.02.2022
NL09.02.2022
PL09.02.2022
RO09.02.2022
RS09.02.2022
SE09.02.2022
SM09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
IS09.06.2022
PT09.06.2022
Former [2022/47]AT09.02.2022
DK09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
LT09.02.2022
LV09.02.2022
NL09.02.2022
PL09.02.2022
RO09.02.2022
RS09.02.2022
SE09.02.2022
SM09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
IS09.06.2022
PT09.06.2022
Former [2022/46]AT09.02.2022
DK09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
LT09.02.2022
LV09.02.2022
NL09.02.2022
PL09.02.2022
RS09.02.2022
SE09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
IS09.06.2022
PT09.06.2022
Former [2022/42]AT09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
LT09.02.2022
LV09.02.2022
NL09.02.2022
PL09.02.2022
RS09.02.2022
SE09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
IS09.06.2022
PT09.06.2022
Former [2022/39]AT09.02.2022
ES09.02.2022
FI09.02.2022
HR09.02.2022
LT09.02.2022
LV09.02.2022
NL09.02.2022
PL09.02.2022
RS09.02.2022
SE09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
PT09.06.2022
Former [2022/36]AT09.02.2022
ES09.02.2022
HR09.02.2022
LT09.02.2022
LV09.02.2022
NL09.02.2022
PL09.02.2022
RS09.02.2022
SE09.02.2022
BG09.05.2022
NO09.05.2022
GR10.05.2022
PT09.06.2022
Former [2022/35]ES09.02.2022
HR09.02.2022
LT09.02.2022
NL09.02.2022
RS09.02.2022
SE09.02.2022
BG09.05.2022
NO09.05.2022
PT09.06.2022
Former [2022/34]ES09.02.2022
LT09.02.2022
NL09.02.2022
NO09.05.2022
PT09.06.2022
Former [2022/33]LT09.02.2022
NO09.05.2022
Documents cited:Search[XA]  - STRISCIUGLIO NICOLA ET AL, "Supervised vessel delineation in retinal fundus images with the automatic selection ofB-COSFIRE filters", MACHINE VISION AND APPLICATIONS, SPRINGER VERLAG, DE, vol. 27, no. 8, doi:10.1007/S00138-016-0781-7, ISSN 0932-8092, (20160624), pages 1137 - 1149, (20160624), XP036113129 [X] 1-3,7-18,21,22 * abstract * [A] 4-6,19,20

DOI:   http://dx.doi.org/10.1007/s00138-016-0781-7
 [A]  - GEORGE AZZOPARDI ET AL, "Trainable COSFIRE filters for vessel delineation with application to retinal images", MEDICAL IMAGE ANALYSIS, GB, (20150101), vol. 19, no. 1, doi:10.1016/j.media.2014.08.002, ISSN 1361-8415, pages 46 - 57, XP055302849 [A] 7-13,16,17,21 * abstract * * section 2.6. Achieving rotation invariance *

DOI:   http://dx.doi.org/10.1016/j.media.2014.08.002
 [A]  - ANNUNZIATA ROBERTO ET AL, "Accelerating Convolutional Sparse Coding for Curvilinear Structures Segmentation by Refining SCIRD-TS Filter Banks", IEEE TRANSACTIONS ON MEDICAL IMAGING, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 35, no. 11, doi:10.1109/TMI.2016.2570123, ISSN 0278-0062, (20161101), pages 2381 - 2392, (20161027), XP011626889 [A] 1-22 * abstract *

DOI:   http://dx.doi.org/10.1109/TMI.2016.2570123
 [A]  - SHANGZHEN LUAN ET AL, "Gabor Convolutional Networks", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, (20170503), doi:10.1109/TIP.2018.2835143, XP081405269 [A] 1-22 * abstract *

DOI:   http://dx.doi.org/10.1109/TIP.2018.2835143
by applicant   - J. STAALM. D. ABRAMOFFM. NIEMEIJERM. VAN GINNEKEN, "Ridge-Based Vessel Segmentation of the Retina", IEEE Transactions on Medical Imaging, (20040000), vol. 23, no. 4, pages 501 - 509
    - A. HOOVERV. KOUZNETSOVAM. GOLDBAUM, "Locating blood vessels in retinal images by piecewise threshold probing of a matched filter response", IEEE Transactions on Medical Imaging, (20000000), vol. 19, no. 3, doi:10.1109/42.845178, pages 203 - 210, XP002376050

DOI:   http://dx.doi.org/10.1109/42.845178
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.