(19)

(11)

EP 4 240 415 A1

(12)

(43) Date of publication: 13.09.2023 Bulletin 2023/37 (21) Application number: 21816258.4 (22) Date of filing: 05.11.2021

(51) International Patent Classification (IPC):  A61K 39/395(2006.01) A61K 33/243(2019.01) A61P 35/00(2006.01) C07K 16/28(2006.01) C07K 16/42(2006.01) A61K 31/00(2006.01) A61K 47/68(2017.01) A61P 35/02(2006.01) C07K 16/32(2006.01) A61K 39/00(2006.01) (52) Cooperative Patent Classification (CPC): C07K 16/42; C07K 2317/72; C07K 16/2878; C07K 2317/73; C07K 16/32; C07K 2317/24; A61K 39/39541; A61K 2039/507; C07K 2317/41; A61P 35/02; A61K 2039/505; A61P 35/00; C07K 2317/71; C07K 16/2803; C07K 16/2875; A61K 47/6849; A61K 47/6851; A61K 47/6803; A61K 31/40; A61K 31/535 (86) International application number: PCT/US2021/058208 (87) International publication number: WO 2022/098972 (12.05.2022 Gazette 2022/19)

(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: 08.11.2020 US 202063111045 P 08.04.2021 US 202163172411 P 08.06.2021 US 202163208179 P (71) Applicant: Seagen Inc. Bothell, WA 98021 (US)	(72) Inventors: GARDAI, Shyra Bothell, Washington 98021 (US) SMITH, Alyson Bothell, Washington 98021 (US) KLUSSMAN, Kerry Bothell, Washington 98021 (US) LIU, Bernard Bothell, Washington 98021 (US) VAN EPPS, Heather Bothell, Washington 98021 (US) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)