	US 12,215,171 B2
	Rabbit antibodies to human immunoglobulins G
Ruiyin Chu, Westborough, MA (US)
Assigned to Genzyme Corporation, Cambridge, MA (US)
Filed by Genzyme Corporation, Cambridge, MA (US)
Filed on Jun. 1, 2021, as Appl. No. 17/335,291.
Claims priority of provisional application 63/033,073, filed on Jun. 1, 2020.
Prior Publication US 2021/0380719 A1, Dec. 9, 2021
Int. Cl. C07K 16/42 (2006.01); G01N 33/68 (2006.01)

CPC C07K 16/4241 (2013.01) [G01N 33/686 (2013.01); C07K 2317/20 (2013.01); C07K 2317/92 (2013.01)]

22 Claims

1. An isolated monoclonal antibody or an antigen-binding portion thereof that binds specifically to human IgG, wherein the antibody or portion comprises heavy chain complementarity-determining region (CDR) 1-3 and light chain CDR1-3 respectively comprising

SEQ ID NOs: 27-32,

SEQ ID NOs: 33-38,

SEQ ID NOs: 39-44,

SEQ ID NOs: 45-50,

SEQ ID NOs: 51-56, or

SEQ ID NOs: 57-62.