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Extract from the Register of European Patents

EP About this file: EP4464827

EP4464827 - VARIANT NUCLEIC ACID LIBRARIES FOR CRTH2 [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  29.08.2025
Database last updated on 10.03.2026
FormerThe application has been published
Status updated on  18.10.2024
Most recent event   Tooltip30.09.2025New entry: Renewal fee paid 
Applicant(s)For all designated states
Twist Bioscience Corporation
681 Gateway Boulevard
South San Francisco, California 94080 / US
[2024/47]
Inventor(s)01 / TABIBIAZAR, Ray
South San Francisco / US
02 / SATO, Aaron
South San Francisco / US
03 / GARG, Pankaj
South San Francisco / US
04 / LIU, Qiang
South San Francisco / US
 [2024/47]
Representative(s)Brand Murray Fuller LLP
50 Eastcastle Street
London W1W 8EA / GB
[2024/47]
Application number, filing date24189960.823.09.2020
[2024/47]
Priority number, dateUS201962904595P23.09.2019         Original published format: US 201962904595 P
US201962935590P14.11.2019         Original published format: US 201962935590 P
US201962945752P09.12.2019         Original published format: US 201962945752 P
[2024/47]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP4464827
Date:20.11.2024
Language:EN
[2024/47]
Type: A3 Search report 
No.:EP4464827
Date:26.02.2025
Language:EN
[2025/09]
Search report(s)(Supplementary) European search report - dispatched on:EP27.01.2025
ClassificationIPC:C07K16/28, C40B40/08
[2025/09]
CPC:
C40B40/08 (EP,IL,KR,US); C12N15/1044 (IL,US); C07K16/2869 (KR);
C40B40/10 (US); A61P11/06 (KR); A61P17/14 (KR);
A61P29/00 (KR); A61P37/08 (KR); C07K16/005 (EP,IL);
C07K16/2896 (EP,IL,US); C12N15/1027 (EP,IL); C12N15/1093 (EP,IL,KR);
A61K2039/505 (KR); C07K2317/24 (IL,KR,US); C07K2317/565 (EP,IL,US);
C07K2317/76 (EP,IL,KR); C07K2317/92 (IL,KR,US) (-)
Former IPC [2024/47]C40B40/08
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 [2024/47]
TitleGerman:VARIANTEN VON NUKLEINSÄUREBIBLIOTHEKEN FÜR CRTH2[2024/47]
English:VARIANT NUCLEIC ACID LIBRARIES FOR CRTH2[2024/47]
French:BANQUES D'ACIDES NUCLÉIQUES VARIANTS POUR CRTH2[2024/47]
Examination procedure24.08.2025Amendment by applicant (claims and/or description)
24.08.2025Examination requested  [2025/40]
24.08.2025Date on which the examining division has become responsible
Parent application(s)   TooltipEP20868003.3  / EP4034566
Fees paidRenewal fee
22.07.2024Renewal fee patent year 03
22.07.2024Renewal fee patent year 04
22.07.2024Renewal fee patent year 05
29.09.2025Renewal fee patent year 06
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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[I] US2016090422  (REIF KARIN et al.)
 [A]   HIRAI H ET AL: "PROSTAGLANDIN D2 SELECTIVELY INDUCES CHEMOTAXIS IN T HELPER TYPE 2 CELLS, EOSINOPHILS, AND BASOPHILS VIA SEVEN-TRANSMEMBRANE RECEPTOR CRTH2", JOURNAL OF EXPERIMENTAL MEDICINE, ROCKEFELLER UNIVERSITY PRESS, US, vol. 193, no. 2, 15 January 2001 (2001-01-15), pages 255 - 261, XP008050257, ISSN: 0022-1007, DOI: 10.1084/JEM.193.2.255

DOI:   http://dx.doi.org/10.1084/jem.193.2.255
 [A]   PETTIPHER R: "The roles of the prostaglandin D2 receptors DP1 and CRTH2 in promoting allergic responses", BRITISH JOURNAL OF PHARMACOLOGY, WILEY-BLACKWELL, UK, vol. 153, 29 January 2009 (2009-01-29), pages S191 - S199, XP071136476, ISSN: 0007-1188, DOI: 10.1038/SJ.BJP.0707488

DOI:   http://dx.doi.org/10.1038/sj.bjp.0707488
by applicantUS62904595
 US62935590
 US62945752
 US5474796
 WO2015021080
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.