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Extract from the Register of European Patents

EP About this file: EP3788343

EP3788343 - STIMULI-RESPONSIVE PEG-LIKE POLYMER-BASED DRUG DELIVERY PLATFORM [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  23.02.2024
Database last updated on 09.09.2024
FormerGrant of patent is intended
Status updated on  25.10.2023
FormerRequest for examination was made
Status updated on  05.02.2021
FormerThe international publication has been made
Status updated on  08.11.2019
Most recent event   Tooltip06.09.2024Lapse of the patent in a contracting state
New state(s): NL		published on 09.10.2024 [2024/41]
Applicant(s)For all designated states
Duke University
2812 Erwin Road, Suite 406
Durham, NC 27705 / US
[2024/13]
Former [2021/10]For all designated states
Duke University
2812 Erwin Road, Suite 306
Durham, NC 27705 / US
Inventor(s)01 / CHILKOTI, Ashutosh
1001 Gloria Avenue
Durham, NC 27701 / US
02 / OZER, Imran
c/o Duke University
2812 Erwin Road, Suite 306
Durham, NC 27705 / US
 [2021/32]
Former [2021/10]01 / CHILKOTI, Ashutosh
1001 Gloria Avenue
Durham, NC 27701 / US
02 / OZER, Imran
c/o Duke University 2812 Erwin Road, Suite 306
Durham, NC 27705 / US
Representative(s)Harris, Oliver John Richard
Novagraaf UK
Centrum
Norwich Research Park
Colney Lane
Norwich NR4 7UG / GB
[2021/10]
Application number, filing date19796027.130.04.2019
[2021/10]
WO2019US30022
Priority number, dateUS201862664512P30.04.2018         Original published format: US 201862664512 P
[2021/10]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019213150
Date:07.11.2019
Language:EN
[2019/45]
Type: A1 Application with search report 
No.:EP3788343
Date:10.03.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 07.11.2019 takes the place of the publication of the European patent application.
[2021/10]
Type: B1 Patent specification 
No.:EP3788343
Date:27.03.2024
Language:EN
[2024/13]
Search report(s)International search report - published on:US07.11.2019
(Supplementary) European search report - dispatched on:EP15.03.2022
ClassificationIPC:A61K47/58, A61P3/10
[2022/15]
CPC:
A61P3/10 (EP,US); A61K47/58 (EP,US); A61K38/2278 (US)
Former IPC [2021/10]G01N1/34, G01N33/543
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 [2021/10]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:AUF STIMULI REAGIERENDE PLATTFORM ZUR ABGABE VON AUF PEG-LIKE-POLYMER BASIERENDEM ARZNEIMITTEL[2021/10]
English:STIMULI-RESPONSIVE PEG-LIKE POLYMER-BASED DRUG DELIVERY PLATFORM[2021/10]
French:PLATEFORME D'ADMINISTRATION DE MÉDICAMENT À BASE DE POLYMÈRE DE TYPE PEG SENSIBLE AUX STIMULI[2021/10]
Entry into regional phase29.10.2020National basic fee paid 
29.10.2020Search fee paid 
29.10.2020Designation fee(s) paid 
29.10.2020Examination fee paid 
Examination procedure29.10.2020Examination requested  [2021/10]
11.10.2022Amendment by applicant (claims and/or description)
26.10.2023Communication of intention to grant the patent
20.02.2024Fee for grant paid
20.02.2024Fee for publishing/printing paid
20.02.2024Receipt of the translation of the claim(s)
Fees paidRenewal fee
27.04.2021Renewal fee patent year 03
27.04.2022Renewal fee patent year 04
27.04.2023Renewal fee patent year 05
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  TooltipBG27.03.2024
FI27.03.2024
HR27.03.2024
LT27.03.2024
LV27.03.2024
NL27.03.2024
SE27.03.2024
NO27.06.2024
RS27.06.2024
GR28.06.2024
[2024/41]
Former [2024/37]BG27.03.2024
FI27.03.2024
HR27.03.2024
LT27.03.2024
LV27.03.2024
SE27.03.2024
NO27.06.2024
RS27.06.2024
GR28.06.2024
Former [2024/36]BG27.03.2024
FI27.03.2024
HR27.03.2024
LT27.03.2024
LV27.03.2024
NO27.06.2024
RS27.06.2024
GR28.06.2024
Former [2024/34]BG27.03.2024
FI27.03.2024
HR27.03.2024
LT27.03.2024
NO27.06.2024
RS27.06.2024
GR28.06.2024
Former [2024/33]LT27.03.2024
NO27.06.2024
Documents cited:Search[X]  - YIZHI QI ET AL, "A brush-polymer/exendin-4 conjugate reduces blood glucose levels for up to five days and eliminates poly(ethylene glycol) antigenicity", NATURE BIOMEDICAL ENGINEERING, (20161128), vol. 1, no. 1, doi:10.1038/s41551-016-0002, page 0002, XP055483482 [X] 1-4,7-10,13,15 * figure 6; table 2 *

DOI:   http://dx.doi.org/10.1038/s41551-016-0002
International search[A]WO2016090103  (UNIV COLUMBIA [US]) [A] 1-20 * ; entire document *;
 [A]US2017088670  (ROWAN ALAN EDWARD [NL], et al) [A] 1-20 * ; entire document, especially [0046], [0088] *;
 [X]US2017233714  (CHILKOTI ASHUTOSH [US], et al) [X] 1-20 * ; entire document, especially abstract, [0003], [0008], [0059], [0046], [0078], [0080], [0084], [0088], [0105]-[0106], [0166] *;
 [A]US2017369651  (CHENG JIANJUN [US], et al) [A] 1-20* ; entire document *
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.