(19)
(11) EP 4 153 224 A1

(12)

(43) Date of publication:
29.03.2023 Bulletin 2023/13

(21) Application number: 21737221.8

(22) Date of filing: 20.05.2021
(51) International Patent Classification (IPC): 
A61K 39/12(2006.01)
A61K 39/215(2006.01)
A61P 31/16(2006.01)
A61K 39/145(2006.01)
A61P 31/14(2006.01)
C12N 15/00(2006.01)
(52) Cooperative Patent Classification (CPC):
A61K 39/12; A61K 39/145; A61K 39/215; A61K 2039/53; A61K 2039/55555; A61K 2039/70; A61P 31/14; A61P 31/16; C12N 2760/16134; C12N 2770/20034; C12N 15/63; C12N 2770/20022; C12N 2840/203
(86) International application number:
PCT/US2021/033490
(87) International publication number:
WO 2021/236980 (25.11.2021 Gazette 2021/47)
(84) Designated Contracting States:
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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 20.05.2020 US 202063027932 P
04.06.2020 US 202063034704 P
21.08.2020 US 202063068936 P
03.09.2020 US 202063074442 P
15.12.2020 US 202063125778 P

(71) Applicant: Flagship Pioneering Innovations VI, LLC
Cambridge, MA 02142 (US)

(72) Inventors:
  • KAHVEJIAN, Avak
    Cambridge, MA 02142 (US)
  • DE BOER, Alexandra, Sophie
    Cambridge, MA 02142 (US)
  • ECHELARD, Yann Paul Guy, RĂ©gis
    Cambridge, MA 02142 (US)
  • PLUGIS, Nicholas, McCartney
    Cambridge, MA 02142 (US)
  • HAJJAR, Roger, Joseph
    Cambridge, MA 02142 (US)
  • MELFI, Michael, Donato
    Cambridge, MA 02142 (US)
  • NELSON, Jennifer, A.
    Cambridge, MA 02142 (US)

(74) Representative: J A Kemp LLP 
80 Turnmill Street
London EC1M 5QU
London EC1M 5QU (GB)

   


(54) CORONAVIRUS ANTIGEN COMPOSITIONS AND THEIR USES