(19)

(11)

EP 3 847 191 A2

(12)

(88) Date of publication A3: 16.04.2020 (43) Date of publication: 14.07.2021 Bulletin 2021/28 (21) Application number: 19856976.6 (22) Date of filing: 23.08.2019

(51) International Patent Classification (IPC):  C07K 16/18(2006.01) A61K 39/395(2006.01) A61K 35/17(2015.01) A61K 39/00(2006.01) C07K 14/725(2006.01) C07K 14/705(2006.01) C07K 14/735(2006.01) (86) International application number: PCT/US2019/047848 (87) International publication number: WO 2020/050993 (12.03.2020 Gazette 2020/11)

(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: 07.09.2018 US 201816125302 (71) Applicant: BioAtla, Inc. San Diego, CA 92121 (US)	(72) Inventor: SHORT, Jay M. Del Mar, California 92014 (US) (74) Representative: De Vries & Metman  Overschiestraat 180 1062 XK Amsterdam 1062 XK Amsterdam (NL)