METHOD OF FORMING MULTI-SPECIFIC ANTIBODIES FROM HOMODIMER ANTIBODIES AND PHARMACEUTICAL PRODUCT INCLUDING MULTI-SPECIFIC ANTIBODIES THUS OBTAINED - Patent 4798618

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EP 4 798 618 A1

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(43)	Date of publication:
	02.09.2026 Bulletin 2026/36

(21)	Application number: 24808432.9

(22)	Date of filing: 23.10.2024

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International Patent Classification (IPC):

C07K 16/00^(2006.01)

C07K 16/46^(2006.01)

(52)	Cooperative Patent Classification (CPC):
	C07K 16/00; C07K 2317/14; C07K 16/468; C07K 2317/31; C07K 2317/526; C07K 2317/53

(86)	International application number:
	PCT/IB2024/060432

(87)	International publication number:
	WO 2025/088516 (01.05.2025 Gazette 2025/18)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
	Designated Extension States:
	BA
	Designated Validation States:
	GE KH MA MD TN

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Priority:

26.10.2023 US 202363593300 P

(71)	Applicant: Pfizer Inc.
	New York, NY 10001-2192 (US)

(72)	Inventors:
	DE, Arnab Andover, Massachusetts 01810 (US) ERIKSEN-STAPLETON, Dawn Andover, Massachusetts 01810 (US) DONAHUE, Jacob Roy Cambridge, Massachusetts 02139 (US)

(74)	Representative: Pfizer
	European Patent Department 23-25 avenue du Docteur Lannelongue 75668 Paris Cedex 14 75668 Paris Cedex 14 (FR)

(54)	METHOD OF FORMING MULTI-SPECIFIC ANTIBODIES FROM HOMODIMER ANTIBODIES AND PHARMACEUTICAL PRODUCT INCLUDING MULTI-SPECIFIC ANTIBODIES THUS OBTAINED