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Extract from the Register of European Patents

EP About this file: EP4376834

EP4376834 - NOVEL SPIROPYRROLIDINE DERIVED ANTIVIRAL AGENTS [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  03.05.2024
Database last updated on 19.10.2024
FormerThe international publication has been made
Status updated on  03.02.2023
Most recent event   Tooltip03.10.2024Change: Validation statespublished on 06.11.2024 [2024/45]
03.10.2024Change - extension statespublished on 06.11.2024 [2024/45]
Applicant(s)For all designated states
Enanta Pharmaceuticals, Inc.
500 Arsenal Street
Watertown, MA 02472 / US
[2024/23]
Inventor(s)01 / SHEN, Ruichao
Belmont, MA 02478 / US
02 / HE, Yong
Lexington, MA 02420 / US
03 / XING, Xuechao
Wilmington, MA 01887 / US
04 / RHODES, Matthew, C.
Boston, MA 02134 / US
05 / PANARESE, Joseph, D.
Newton, MA 02460 / US
06 / BARTLETT, Samuel
Brighton, MA 02135 / US
07 / LI, Wei
Lexington, MA 02421 / US
08 / CAO, Hui
Belmont, MA 02478 / US
09 / ZHANG, Jiajun
Cambridge, MA 02139 / US
10 / PENG, Xiaowen
Sudbury, MA 01776 / US
11 / WANG, Guoqiang
Belmont, MA 02478 / US
12 / OR, Yat, Sun
Waltham, MA 02452 / US
 [2024/23]
Representative(s)Latscha Schöllhorn Partner AG
Grellingerstrasse 60
4052 Basel / CH
[2024/23]
Application number, filing date22850031.014.04.2022
[2024/23]
WO2022US24772
Priority number, dateUS202163227206P29.07.2021         Original published format: US 202163227206 P
US20211747924820.09.2021         Original published format: US202117479248
US202263324367P28.03.2022         Original published format: US 202263324367 P
[2024/23]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023009187
Date:02.02.2023
Language:EN
[2023/05]
Type: A1 Application with search report 
No.:EP4376834
Date:05.06.2024
Language:EN
The application published by WIPO in one of the EPO official languages on 02.02.2023 takes the place of the publication of the European patent application.
[2024/23]
Search report(s)International search report - published on:US02.02.2023
ClassificationIPC:A61K31/404, C07D487/10, A61P31/14
[2024/23]
CPC:
A61P31/14 (EP,IL,KR); C07D487/10 (EP,IL,KR); A61K31/407 (KR);
A61P11/00 (KR); C07D487/20 (EP,IL,KR); C07D519/00 (EP,IL)
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 [2024/23]
TitleGerman:NEUE SPIROPYRROLIDIN-ABGELEITETE ANTIVIRALE MITTEL[2024/23]
English:NOVEL SPIROPYRROLIDINE DERIVED ANTIVIRAL AGENTS[2024/23]
French:NOUVEAUX AGENTS ANTIVIRAUX DÉRIVÉS DE SPIROPYRROLIDINE[2024/23]
Entry into regional phase19.01.2024National basic fee paid 
19.01.2024Search fee paid 
19.01.2024Designation fee(s) paid 
19.01.2024Examination fee paid 
Examination procedure19.01.2024Examination requested  [2024/23]
02.09.2024Amendment by applicant (claims and/or description)
Fees paidRenewal fee
13.03.2024Renewal fee patent year 03
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Cited inInternational search[A]WO2006061714  (PFIZER [US], et al) [A] 1-17 * pg 1, In 4-9; pg 37, In 23-24; pg 39, Table *;
 [A]US2010272681  (FARMER LUC [US], et al) [A] 1-17 * para [0002], [0455], compound 4; para [0497], Table 3 *;
 [A]US8222288  (WANG SHAOMENG [US], et al) [A] 1-17 * col 3, In 62-66; col 93, In 20-40; col 106, In 29-60, Table 2 *;
 [A]WO2018042343  (GLAXOSMITHKLINE IP NO 2 LTD [GB]) [A] 1-17 * para [0001]; pg 75, Table, compound 4; pg 91, Table 3 *;
 [XE]US11325916  (SHEN RUICHAO [US], et al) [XE] 1-17* 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.