(19)

(11)

EP 3 634 401 A1

(12)

(43) Date of publication: 15.04.2020 Bulletin 2020/16 (21) Application number: 18814341.6 (22) Date of filing: 07.06.2018

(51) International Patent Classification (IPC):  A61K 31/4025(2006.01) C07D 417/12(2006.01) C07D 207/16(2006.01) C07D 417/14(2006.01) (86) International application number: PCT/US2018/036560 (87) International publication number: WO 2018/227023 (13.12.2018 Gazette 2018/50)

(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: 07.06.2017 US 201762516667 P (71) Applicant: Silverback Therapeutics, Inc. Seattle, Washington 98109 (US)	(72) Inventors: THOMPSON, Peter Armstrong Seattle Washington 98109 (US) EDRIS, Badreddin Seattle Washington 98109 (US) COBURN, Craig Alan Seattle Washington 98109 (US) BAUM, Peter Robert Seattle Washington 98109 (US) (74) Representative: Hoffmann Eitle  Patent- und Rechtsanwälte PartmbB Arabellastraße 30 81925 München 81925 München (DE)