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Extract from the Register of European Patents

EP About this file: EP4236926

EP4236926 - MICROCELL SYSTEMS FOR DELIVERING BENEFIT AGENTS [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  04.08.2023
Database last updated on 28.02.2026
FormerThe international publication has been made
Status updated on  07.05.2022
Most recent event   Tooltip04.11.2025New entry: Renewal fee paid 
Applicant(s)For all designated states
E Ink Corporation
1000 Technology Park Drive
Billerica, MA 01821 / US
[2023/50]
Former [2023/36]For all designated states
E Ink California, LLC
47485 Seabridge Drive
Fremont CA 94538 / US
Inventor(s)01 / LIU, Lei
Fremont, California 94538 / US
 [2023/36]
Representative(s)Kilburn & Strode LLP
Lacon London
84 Theobalds Road
Holborn
London WC1X 8NL / GB
[N/P]
Former [2023/36]Hailes, Thomas Robert, et al
Kilburn & Strode LLP
Lacon London
84 Theobalds Road
London WC1X 8NL / GB
Application number, filing date21887181.214.10.2021
[2023/36]
WO2021US54976
Priority number, dateUS202063107170P29.10.2020         Original published format: US 202063107170 P
[2023/36]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022093541
Date:05.05.2022
Language:EN
[2022/18]
Type: A1 Application with search report 
No.:EP4236926
Date:06.09.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 05.05.2022 takes the place of the publication of the European patent application.
[2023/36]
Search report(s)International search report - published on:KR05.05.2022
(Supplementary) European search report - dispatched on:EP26.07.2024
ClassificationIPC:A61K9/70
[2024/35]
CPC:
A61K9/7092 (EP,US); A61K9/7084 (US)
Former IPC [2023/36]A61K9/70, A61M37/00
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 [2023/36]
TitleGerman:MIKROZELLENSYSTEME ZUR ABGABE VON VORTEILHAFTEN MITTELN[2023/36]
English:MICROCELL SYSTEMS FOR DELIVERING BENEFIT AGENTS[2023/36]
French:SYSTÈMES DE MICROCELLULES POUR ADMINISTRATION D'AGENT BÉNÉFIQUE[2023/36]
Entry into regional phase30.05.2023National basic fee paid 
30.05.2023Search fee paid 
30.05.2023Designation fee(s) paid 
30.05.2023Examination fee paid 
Examination procedure30.05.2023Examination requested  [2023/36]
12.02.2025Amendment by applicant (claims and/or description)
12.02.2025Date on which the examining division has become responsible
Fees paidRenewal fee
31.10.2023Renewal fee patent year 03
31.10.2024Renewal fee patent year 04
31.10.2025Renewal fee patent year 05
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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.
Documents cited:Search[IY] US2019142763  (LIU LEI et al.) [I] 1,2,5,6,8-15 * page 1, paragraph 0005 - page 2, paragraph 0015 * * page 2, paragraphs 0018-0020 * * pages 4-5, paragraph 0038 * * page 5, paragraph 0043 * * claim - * * figure - *[Y] 3,4,7
 [Y] WO2018175825  (E INK CALIFORNIA LLC et al.) [Y] 3 * page 1, paragraph 0004 - page 2, paragraph 0007 * * page 5, paragraph 0023 - page 6, paragraph 0026 * * page 11, paragraph 0040 - page 12, paragraph 0043 * * figures 1-3, 6 * * claim - *
 [Y] US2015005720  (ZANG HONGMEI et al.) [Y] 3 * page 2, paragraph 0018 * * page 3, paragraphs 0040-0050 - page 4 * * page 5, paragraphs 0071-0074 * * page 6, paragraphs 0078, 0079, 0085 * * page 7, paragraph 0089 - page 8, paragraph 0098 * * page 10, paragraphs 0134-0137 * * page 10, paragraph 0141 - page 11, paragraph 0142 * * figures 7, 8 * * claim - *
 [Y] US4666441  (ANDRIOLA ROBERT et al.) [Y] 3,4,7 * column 3, lines 5-10 * * column 3, line 57 - column 4, line 13 * * page 6, lines 31-53 * * figures 11, 15 *
International search[A] US2019142763  (LIU LEI et al.) [A] 1-20 * See paragraphs [0005], [0018]-[0019]; claim 1; and figures 2, 5D. *
 [A] US2007248657  (SMITH DAVID J et al.) [A] 1-20 * See the whole document. *
 [A] US4666441  (ANDRIOLA ROBERT et al.) [A] 1-20 * See the whole document. *
 [A] WO2008038240  (KONINKL PHILIPS ELECTRONICS NV et al.) [A] 1-20 * See the whole document. *
 [A] WO0126705  (SAMYANG CORP et al.) [A] 1-20 * See the whole 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.