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EP 4 157 460 A1

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(43) Date of publication: 05.04.2023 Bulletin 2023/14 (21) Application number: 21733685.8 (22) Date of filing: 01.06.2021

(51) International Patent Classification (IPC):  A61P 35/00(2006.01) C07K 14/00(2006.01) A61K 38/20(2006.01) A61P 39/00(2006.01) A61K 38/17(2006.01) A61K 38/36(2006.01) (52) Cooperative Patent Classification (CPC): A61K 38/2086; A61K 38/179; A61K 38/1793; A61K 38/36; A61P 35/00; A61P 39/00   C-Sets: A61K 38/2086, A61K 2300/00; A61K 38/179, A61K 2300/00; A61K 38/1793, A61K 2300/00; A61K 38/36, A61K 2300/00; (86) International application number: PCT/US2021/035285 (87) International publication number: WO 2021/247604 (09.12.2021 Gazette 2021/49)

(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: 01.06.2020 US 202063032933 P 01.06.2020 WO PCT/US2020/035598 25.11.2020 US 202063118536 P (71) Applicant: HCW Biologics, Inc. Miramar, Florida 33025 (US)	(72) Inventors: WONG, Hing C. Miramar, Florida 33025 (US) ZHU, Xiaoyun Miramar, Florida 33025 (US) LIU, Bai Miramar, Florida 33025 (US) CHATURVEDI, Pallavi Miramar, Florida 33025 (US) GEORGE, Varghese Miramar, Florida 33025 (US) (74) Representative: Fish & Richardson P.C.  Highlight Business Towers Mies-van-der-Rohe-Straße 8 80807 München 80807 München (DE)